Noise control. Sound components. Transmission loss TL. reflected (reverberated) ρ absorbed α transmitted τ. TL = 10 Log(1/τ) = -10 Log τ.

Save this PDF as:
 WORD  PNG  TXT  JPG

Size: px
Start display at page:

Download "Noise control. Sound components. Transmission loss TL. reflected (reverberated) ρ absorbed α transmitted τ. TL = 10 Log(1/τ) = -10 Log τ."

Transcription

1 Sound components reflected (reverberated) ρ absorbed α transmitted τ Transmission loss TL TL = 10 Log(1/τ) = -10 Log τ Incident sound Transmitted sound Absorbed sound Reverberated sound

2 Mass law (Berger s law) theory: doubling of surface density ρ S [kg/m 2 ] -6 db i.e. TL 20 Log ρ S practice: - 5 db i.e. TL 17 Log ρ S Attenuation [db] Hz Theor. 565 Hz Exp Surface density [kg/m²]

3 Mass law (Berger s law) Frequency law doubling of frequency f [Hz] -6 db i.e. TL 20 Log f Attenuation [db] TL 20 Log (0.08 f ρ S ) ρ s [kg/m²] Frequency [Hz]

4 For low and high frequencies: resonance coincidence Sound reduction index : db Resonance region Mass law region Coincidence region 100 Hz 1000 Hz 10 khz Images by MIT OCW. Resonance Effect in a Panel Coincidence Effect in a Panel

5 Sound paths 1 - direct air transmission 2 - reverberation 3 - lateral transmission of airborne sound 4 - re-emission of impact sound 5 - transmission " Weakest path B A

6 Sound paths Weakest path 10log 1+ S' 10 S ΔTL 10 TL = TL0 1 S TL 0 S' TL'=TL 0 -ΔTL Loss of insulation [db] Δ TL [db] S'/S

7 Planning phase sensitivity to noise noise sources noise insulation requirements Design phase acoustic criteria in positioning and orientation calm vs. noisy zones construction elements technical installations e.g. cavities in walls, no connection between window layers

8 Environmental noise Noise control

9 Environmental noise θ 90 Anti-noise barriers of "infinite" length Attenuation [db] θ h/ λ 100 h

10 Environmental noise Anti-noise barriers of "infinite" length of finite length L 25 L d Noise control L/d Attenuation [db] Attenuation if L infinite.

11 Environmental noise Anti-noise barriers Acoustic urbanism Decibels > <55 Pesay

12 Environmental noise Anti-noise barriers Acoustic urbanism 69 db 74 db 69 db 72 db 78 db 66 db 50 db

13 Environmental noise Anti-noise barriers Noise source Noisy factory Very loud radio A Requisite noise barrier C Activity or situation B Threshold of audibility Acoustic urbanism Average workshop Lorry passing at 5 m Recording studio db(a) db(a) Noisy restaurant or dance floor Average light factory Office: typewriters Living room, loud radio Quiet car passing at 5 m Conversation Moderate radio Average office Special discontinuous construction 300 mm concrete rendered 240 mm brick or 150 mm concrete 120 mm brick or 100 mm concrete Double 3 mm glass, 100 mm space 140 mm hollow block 75 mm solid gypsum panel Timber studs, 10 mm plasterboards Timber floor plaster ceiling Single 6 mm plate glass 120 mm lightweight concrete block Single 3 mm glass Hospital ward, sleeping Studying Reading Houses Flats Hotels Quiet office db(a) Average home Quiet garden Subdued radio 13 mm fibreboard Badly fitting door Open door or window Quiet restaurant Average office Kg/m 2 Image by MIT OCW. Image by MIT OCW.

14 Structure-borne noise Noise control

15 Structure-borne noise Noise control

16 Structure-borne noise Noise control

17 Structure-borne noise Noise control

18 Structure-borne noise Noise control

19 Structure-borne noise Floating floor Flexible (soft) layer

20 Sound source in room Source Direct sound Reverberant sound: Sum of an infinite number of paths S 90 db 80 Image by MIT OCW. 70 Direct component Reverberant component Total sound level Distance from source (m) Image by MIT OCW.

21 Sound source in room I abs = I inc α s P abs = I A = I α s S Source Direct sound I = ¼ I stat Reverberant sound: Sum of an infinite number of paths L stat = 10 Log I stat /I o = 10 Log (4P/(I o A)) 90 db Direct component Reverberant component Total sound level Distance from source (m) Image by MIT OCW.

22 Sound absorbers Porous (a) (b) Absorption coefficient k 10kHz k 10kHz Image by MIT OCW.

23 Sound absorbers Porous Membrane Absorption coefficient k 10 khz k 10 khz Two layers of bitumenous felt 10 mm plywood Image by MIT OCW.

24 Sound absorbers Porous Membrane Cavity resonators Absorption coefficient k 10 khz V I 2r Image by MIT OCW.

25 Sound absorbers Porous Membrane Cavity resonators Absorption coefficient 100% 80% 60% 40% 20% 0% Porous Membrane Cavity Frequency [Hz]

26 Sound absorbers Porous Membrane Cavity resonators Perforated panels + Absorption coefficient With porous Without porous k 10 khz + Image by MIT OCW.

27 Absorbent baffles (a) (b) Sound partially absorbed Minimum 1 m Sound transmitted fully Absorber Bathroom flat 1 Ventilation duct Bathroom flat 2 (c) (d) Sound almost completely absorbed Sound partially absorbed Absorbent Ceiling Absorbent lining Street noise Sixth floor Fifth floor Absorber Section Plan Image by MIT OCW. Image by MIT OCW.

28 Noise Control Reading assignment from Textbook: Introduction to Architectural Science by Szokolay: 3.3 Additional readings relevant to lecture topics: "How Buildings Work" by Allen: p. 132 in Chap 14

Sound Absorption and Sound Insulation

Sound Absorption and Sound Insulation Sound Absorption and Sound Insulation Sound absorption Transmitted energy Converted energy Reflected energy Incident energy Absorption coefficient a = converted + transmitted energy incident energy Absorption

More information

Table 1: DWELLING HOUSES AND FLATS SEPARATING WALLS, FLOORS and STAIRS THAT HAVE A SEPARATING FUNCTION. NEW BUILD

Table 1: DWELLING HOUSES AND FLATS SEPARATING WALLS, FLOORS and STAIRS THAT HAVE A SEPARATING FUNCTION. NEW BUILD Guidance Note Issued 01// Rev A Page 1 of 5 Approved document E came into force on the 1 st July 2003 and details new acoustic performances for residential dwellings, flats, rooms used for residential

More information

FACT SHEET. Acoustic Properties of Precast Concrete. making precast easy. Acoustic Properties of Precast Concrete

FACT SHEET. Acoustic Properties of Precast Concrete. making precast easy. Acoustic Properties of Precast Concrete Acoustic Properties of Precast Concrete Acoustic Properties of Precast Concrete In today s cities people are living closer and closer together primarily due to urban consolidation. The need to utilise

More information

Noise Control Glossary of Terms

Noise Control Glossary of Terms Noise Control Glossary of Terms CONABEARE A, B, C Scales: Sound level meter weighting networks which provide different response characteristics to sound pressure levels as a function of frequency. The

More information

VIPAC ENGINEERS & SCIENTISTS

VIPAC ENGINEERS & SCIENTISTS VIPAC ENGINEERS & SCIENTISTS Vipac Engineers & Scientists Limited A.B.N. 33 005 453 627 The Victorian Technology Centre Private Bag 16, Port Melbourne, VIC, 3207, AUSTRALIA Telephone +61 3 9647 9700, Facsimile

More information

Masonry: Cavity Wall Insulation: Partial Fill Isometric cut-away view

Masonry: Cavity Wall Insulation: Partial Fill Isometric cut-away view Legend Insulation zone Blue text Air tightness barrier (note: this can also act as a vapour control layer) Guidance on thermal continuity Red text Guidance on air tightness Values used in psi calculations

More information

EVERYTHING YOU WANTED TO KNOW ABOUT SOUND BUT WERE AFRAID TO HEAR.

EVERYTHING YOU WANTED TO KNOW ABOUT SOUND BUT WERE AFRAID TO HEAR. WHAT IS SOUND? EVERYTHING YOU WANTED TO KNOW ABOUT SOUND BUT WERE AFRAID TO HEAR. Sound waves travel through the air in the form of very small changes in atmospheric pressure. Sound pressure (which we

More information

Designer s NOTEBOOK ACOUSTICS

Designer s NOTEBOOK ACOUSTICS Designer s NOTEBOOK ACOUSTICS ACOUSTICS General The basic purpose of architectural acoustics is to provide a satisfactory environment in which the desired sounds are clearly heard by the intended listeners

More information

Datasheet. Sound Insulation Properties of Concrete Walls and Floors

Datasheet. Sound Insulation Properties of Concrete Walls and Floors > Datasheet > Sound Insulation Properties of Concrete Walls and Floors Introduction The sound insulation performance of a wall or floor is a measure of its ability to reduce the amount of sound that is

More information

Acoustic performance of dwellings and specifics for lightweight constructions Professor Eddy Gerretsen

Acoustic performance of dwellings and specifics for lightweight constructions Professor Eddy Gerretsen Acoustic performance of dwellings and specifics for lightweight constructions Professor Eddy Gerretsen Content Introduction Performance quantities Construction principles What performance is required Does

More information

SOUND INSULATION FOR EXTERIOR WALLS AND FACADE SYSTEMS

SOUND INSULATION FOR EXTERIOR WALLS AND FACADE SYSTEMS NOISE TECHNICAL FACT SHEET FACT SHEET 5 SOUND INSULATION FOR EXTERIOR WALLS AND FACADE SYSTEMS The sound insulation of exterior walls and roof-ceiling systems refers to their ability to reduce external

More information

Building Operational Performance Framework Development of Acoustic Performance Standards for Robust Details Final Report

Building Operational Performance Framework Development of Acoustic Performance Standards for Robust Details Final Report Building Operational Performance Framework Development of Acoustic Performance Standards for Robust Details Final Report Building Research Technical Report 11/2005 March 2006 Building Operational Performance

More information

Timber Frame Isometric cut-away view

Timber Frame Isometric cut-away view Legend Insulation zone Blue text Red text Air tightness barrier (note: this can also act as a vapour control layer) Guidance on thermal continuity Guidance on air tightness Values used in psi calculations

More information

Outdoor Noise Barriers: Design and Applications

Outdoor Noise Barriers: Design and Applications Return to www.enoisecontrol.com Noise Barriers Outdoor Noise Barriers: Design and Applications Tom Paige, P.Eng. Products Application Engineer Kinetics Noise Control, Inc. Mississauga, Ontario tpaige@vibron.com

More information

A Guide for Residential Sound Control Using Fiber Glass Insulation

A Guide for Residential Sound Control Using Fiber Glass Insulation A Guide for Residential Sound Control Using Table of Contents Introduction pg. 1 Sound Ratings pg. 2 Airborne Sound pg. 2 Impact Sound pg. 2 Sound Control Practices pg. 3 Density and Sound pg. 3 The Right

More information

The Role of Acoustics in Curtain Wall Design:

The Role of Acoustics in Curtain Wall Design: The Role of Acoustics in Curtain Wall Design: Strategies to Achieve Desired Performance Criteria April 22, 2015 John LoVerde, Principal VENEKLASEN ASSOCIATES, INC. Goals Basics of Acoustics Ratings in

More information

Ultimate Acoustic Solutions for Walls & Partitions

Ultimate Acoustic Solutions for Walls & Partitions Ultimate Acoustic Solutions for Walls & Partitions Uniclass L384+L516:N372 EPIC C441+E23:Y45 CI/SfB (22.3)+(42) R (P2) Contains SRS Ltd s Rigorous Standard Details for: Building Regulations Approved Document

More information

Using multi purpose insulation is easy when you know how.

Using multi purpose insulation is easy when you know how. Using multi purpose insulation is easy when you know how. Have a skim through Phil s step-by-step guide to using Rockwool Flexi. Acoustic Partitions Separating Floors Internal Floors Separating Walls Exterior

More information

Controlling Sound Transmission through Concrete Block Walls

Controlling Sound Transmission through Concrete Block Walls Construction Technology Update No. 13 Controlling Sound Transmission through Concrete Block Walls by A.C.C. Warnock This Update discusses the various factors that affect sound transmission through different

More information

URSA GLASSWOOL URSA Acoustic Roll

URSA GLASSWOOL URSA Acoustic Roll - 065_Layout 1 22/07/2015 12:44 Page 1 URSA UK LTD Crest House 102-104 Church Road Teddington, Middlesex TW11 8PY United Kingdom Tel : 020 8977 96 97 Fax : 020 8977 94 56 Web : www.ursa-uk.co.uk E-mail

More information

April 2015 K-FLEX. Acoustic Insulation. Solutions for Acoustic Comfort

April 2015 K-FLEX. Acoustic Insulation. Solutions for Acoustic Comfort April 2015 K-FLEX Acoustic Insulation Solutions for Acoustic Comfort IK GROUP K-FLEX is an Italian manufacturing company specialising in the production of thermal and acoustic flexible elastomeric insulation

More information

ROOM ACOUSTICS DESIGN. Room Acoustics Design Intent: Appropriate Articulation

ROOM ACOUSTICS DESIGN. Room Acoustics Design Intent: Appropriate Articulation ROOM ACOUSTICS DESIGN http://mikebm.files.wordpress.com/2008/06/walt-disney-hall-1.jpg Ball State Architecture ENVIRONMENTAL SYSTEMS 1 Grondzik 1 Room Acoustics Design Intent: Appropriate Articulation

More information

Lightweight Partition Design for Residential and Commercial Buildings

Lightweight Partition Design for Residential and Commercial Buildings Lightweight Partition Design for Residential and Commercial Buildings Stanley D. Gatland II, CertainTeed Corporation, Valley Forge, Pennsylvania Guidelines are presented for the design and proper installation

More information

Fundamentals of Acoustics & Practical HVAC Design Considerations. Demir Doken Acoustic Engineer

Fundamentals of Acoustics & Practical HVAC Design Considerations. Demir Doken Acoustic Engineer Fundamentals of Acoustics & Practical HVAC Design Considerations Demir Doken Acoustic Engineer What is sound? Sound is a mechanical wave that is an oscillation of pressure transmitted through some medium

More information

ABSORPTION COEFFICIENTS

ABSORPTION COEFFICIENTS ABSORPTION COEFFICIENTS www.akustik.ua FREQUENCY Hz MATERIAL THICKNESS 125 250 500 1000 2000 4000 MASONRY WALLS Rough concrete 0,02 0,03 0,03 0,03 0,04 0,07 Smooth unpainted concrete 0,01 0,01 0,02 0,02

More information

Noise Reduction Coefficient (NRC)

Noise Reduction Coefficient (NRC) Noise Reduction Coefficient (NRC) While STC and SRC indicate how well noise passes through different materials, NRC (Noise Reduction Coefficient) measures how well materials stop sound from reflecting

More information

Acoustic and RF Shielding for Magnetic Resonance Imaging

Acoustic and RF Shielding for Magnetic Resonance Imaging SilentSHIELD Acoustic and RF Shielding for Magnetic Resonance Imaging 1 Contents 1. Why IMEDCO?...3 2. Foreword for our US customers...4 3. Why is soundproofing needed?...4 4. Airborne and structurally

More information

An Experimental Study of the Sound Insulation Performance and Sound Defect Using Sound Intensity According to the Composition of Balcony Windows

An Experimental Study of the Sound Insulation Performance and Sound Defect Using Sound Intensity According to the Composition of Balcony Windows An Experimental Study of the Sound Insulation Performance and Sound Defect Using Sound Intensity According to the Composition of Balcony Windows Tae Hee Kim 1.a, Il Kyung Kang 1.b, Ho Kyoo Jo 1.c 1 Institute

More information

Furniture acts constructively to diffuse the sound that could otherwise reflect between parallel hard surfaces.

Furniture acts constructively to diffuse the sound that could otherwise reflect between parallel hard surfaces. Baseline Designs: Acoustics Strategy Introduction The Baseline Designs are generally in line with the Building Bulletin 93 (BB93), Acoustic design of schools: performance standards, 2014. BB93, 2014 supersedes

More information

The Acoustics of Indoor Aquatic Facilities: How Improving Sound Levels Impacts Both our Physiological and Psychological Well Being Jeffrey Madison

The Acoustics of Indoor Aquatic Facilities: How Improving Sound Levels Impacts Both our Physiological and Psychological Well Being Jeffrey Madison The Acoustics of Indoor Aquatic Facilities: How Improving Sound Levels Impacts Both our Physiological and Psychological Well Being Jeffrey Madison A lifelong musician, Jeff began his career in 1992 when

More information

Technical Notes 5A - Sound Insulation - Clay Masonry Walls (Reissued August 2000) INTRODUCTION

Technical Notes 5A - Sound Insulation - Clay Masonry Walls (Reissued August 2000) INTRODUCTION Technical Notes 5A - Sound Insulation - Clay Masonry Walls (Reissued August 2000) INTRODUCTION The sound insulation or sound transmission loss of a wall is that property which enables it to resist the

More information

2011-06-13. Acoustic design with wall acoustic solutions

2011-06-13. Acoustic design with wall acoustic solutions 2011-06-13 Acoustic design with wall acoustic solutions Introduction A suspended ceiling is by far the most common acoustical treatment in a room. In most cases this is also a sufficient solution to create

More information

Contents BB93 Acoustic Design for Schools

Contents BB93 Acoustic Design for Schools Contents BB93 Acoustic Design for Schools BB93 Background Noise Sound Insulation Rooms Acoustics - Reverberation times Internal Noise Level Example Llwynu School Internal Background Noise BB93 Internal

More information

Handbook of Noise Control Materials

Handbook of Noise Control Materials Handbook of Noise Control Materials Contents Section I. Section II. A. Basic Concepts of Blocking and Absorbing Sound B. Variables Affecting Performance Vibration Damping Treatment Section III. Materials

More information

Rockwool Flexi Insulation Application Guide

Rockwool Flexi Insulation Application Guide Pitched roof Rafters InterMediate floors INTERNAL partitions external Framed walls separating floors Separating Walls Rockwool Flexi Insulation Application Guide Ground floor The perfect fit for any framed

More information

1 GENERAL 1.1 CROSS REFERENCES General Refer to the General requirements worksection.

1 GENERAL 1.1 CROSS REFERENCES General Refer to the General requirements worksection. 20 LINING 1 GENERAL 1.1 CROSS REFERENCES General Refer to the General requirements worksection. Related worksections Refer to the following worksections: Light steel framing Insulation and barriers Suspended

More information

Acoustical Doorway Solutions

Acoustical Doorway Solutions Acoustical Doorway Solutions Sound Transmission Control for Any Facility Brought to you by ASSA ABLOY Group brands: BARON CECO DOOR CURRIES FRAMEWORKS GRAHAM MAIMAN PEMKO SMP SPECIALTY DOORS Who We Are

More information

Acoustics & Building Services An back to basics overview

Acoustics & Building Services An back to basics overview Acoustics & Building Services An back to basics overview Prepared for 20 th March 2012 ASK Consulting Engineers Since 1993, ASK Consulting Engineers has been providing clients from both the private and

More information

Building Acoustics Terminology

Building Acoustics Terminology Building Acoustics Terminology For more guidance see a guide to office acoustics www.acousticguide.org A-weighted decibel, db(a) A modification of the measured sound pressure level that approximates more

More information

In today s architectural environment, good acoustical design isn t a luxury

In today s architectural environment, good acoustical design isn t a luxury USG Presents by: James D. Janning, AIA, CSI Architectural Systems Manager, USG Corporation In today s architectural environment, good acoustical design isn t a luxury it s a necessity. Acoustics impacts

More information

Affordable Sports Halls

Affordable Sports Halls Creating a sporting habit for life Appendix 5 Acoustics (To be read in conjunction with the main document) Speech Intelligibility with 40dBA Ambient Noise (BB93 Compliant) Affordable Sports Halls August

More information

Acoustic Insulation Board

Acoustic Insulation Board Acoustic Insulation Board Heraklith Woodwool decorative insulation panels are thermal insulation boards that have been designed primarily to reduce sound absorption. Because they will be visible, usually

More information

BUILDING STANDARDS DIVISION EXAMPLE CONSTRUCTIONS AND GENERIC INTERNAL CONSTRUCTIONS FOR USE WITH SECTION 5: NOISE OF THE TECHNICAL HANDBOOKS

BUILDING STANDARDS DIVISION EXAMPLE CONSTRUCTIONS AND GENERIC INTERNAL CONSTRUCTIONS FOR USE WITH SECTION 5: NOISE OF THE TECHNICAL HANDBOOKS BUILDING STANDARDS DIVISION EXAMPLE CONSTRUCTIONS AND GENERIC INTERNAL CONSTRUCTIONS FOR USE WITH SECTION 5: NOISE OF THE TECHNICAL HANDBOOKS CONTENTS Page 1.a 1.b 1.c 2.a 2.b 2.c 3.a 3.b 3.c 3.d 3.e

More information

INTER-NOISE 2006 3-6 DECEMBER 2006 HONOLULU, HAWAII, USA

INTER-NOISE 2006 3-6 DECEMBER 2006 HONOLULU, HAWAII, USA INTER-NOISE 2006 3-6 DECEMBER 2006 HONOLULU, HAWAII, USA An effective new approach to isolate plumbing stub-outs in residential construction Jeffrey P. Kwolkoski, P.E., INCE Bd. Cert. a D. L. Adams Associates,

More information

Color logos Reverse logos Acoustics Black only logos

Color logos Reverse logos Acoustics Black only logos Acoustics ACOUSTICS General The basic purpose of architectural acoustics is to provide a satisfactory environment in which the desired sounds are clearly heard by the intended listeners and the unwanted

More information

Acoustical Design Guidelines for HVAC Systems in Schools

Acoustical Design Guidelines for HVAC Systems in Schools Acoustical Design Guidelines for HVAC Systems in Schools Seminar 9, ASHRAE Summer Meeting Albuquerque, New Mexico Sponsor: TC 2.6 Sound and Vibration Robert M. Lilkendey Associate Principal Consultant

More information

RW Semi Rigid & Rigid Slabs

RW Semi Rigid & Rigid Slabs RW Semi Rigid & Rigid Slabs Versatile building slabs for a wide range of general building applications ROCKWOOL RW semi-rigid and rigid slabs are high quality resin bonded slabs that can be used for thermal

More information

A COMPUTATIONAL METHOD FOR ANALYSIS AND DESIGN OF ACOUSTIC ABSORBERS AND LOW FREQUENCY TRANSMISSION LOSS

A COMPUTATIONAL METHOD FOR ANALYSIS AND DESIGN OF ACOUSTIC ABSORBERS AND LOW FREQUENCY TRANSMISSION LOSS A COMPUTATIONAL METHOD FOR ANALYSIS AND DESIGN OF ACOUSTIC ABSORBERS AND LOW FREQUENCY TRANSMISSION LOSS S Colam G Leembruggen Arup Acoustics, Cambridge, UK Acoustics Directions, Sydney, Australia 1 INTRODUCTION

More information

Mass Loaded Vinyl A review of the performance and cost in acoustical applications

Mass Loaded Vinyl A review of the performance and cost in acoustical applications Mass Loaded Vinyl A review of the performance and cost in acoustical applications Overview Driven by building codes and occupants expectations, many rooms in commercial and residential construction require

More information

ACOUSTIC DESIGN - ROOMS FOR SPEECH

ACOUSTIC DESIGN - ROOMS FOR SPEECH Auckland Christchurch Kuala Lumpur Melbourne Sydney Wellington www.marshallday.com ACOUSTIC DESIGN - ROOMS FOR SPEECH EVER BEEN AT A LECTURE OR CONFERENCE AND FOUND IT DIFFICULT TO UNDERSTAND WHAT IS BEING

More information

Sound Insulation of Walls with a new Mortar-Mix System

Sound Insulation of Walls with a new Mortar-Mix System Sound Insulation of Walls with a new Mortar-Mix System Martin Schneider, Heinz-Martin Fischer Stuttgart University of Applied Sciences, Germany. Summary A new clay block walling system developed by the

More information

Measurement of the sound-absorption coefficient on egg cartons using the Tone Burst Method

Measurement of the sound-absorption coefficient on egg cartons using the Tone Burst Method Measurement of the sound-absorption coefficient on egg cartons using the Tone Burst Method QUINTERO RINCON ANTONIO Departamento de Ingeniería Electrónica Instituto Tecnológico de Buenos Aires Av. Eduardo

More information

ROOF ACOUSTIC PERFORMANCE

ROOF ACOUSTIC PERFORMANCE ROOF ACOUSTIC PERFORMANCE NOISE ATTENUATION 1 Max Ganger B Arch., Dip I D., FAHI. External sounds (noise) penetrate houses through windows, doors, walls and roof. Usually the roof is the least important

More information

OPTIMA Dry Lining System High Performing, Easy & Quick

OPTIMA Dry Lining System High Performing, Easy & Quick OPTIMA Dry Lining System High Performing, Easy & Quick CO2: The Problem CO2: 30 kg/m a 2 kg/m2a 2 Energy needs: 150 kwh/m a 2 Heating costs index price: Heating costs index price: 0@ Standard House @ Energy

More information

Optiffuser. High-performance, high bandwidth lightweight 1D diffuser.

Optiffuser. High-performance, high bandwidth lightweight 1D diffuser. Optiffuser High-performance, high bandwidth lightweight 1D diffuser. General product information The Optiffuser comes in packs of four panels. Two positives and two negatives (see page 5) per package.

More information

Acoustic Design Practices for Sustainable Buildings

Acoustic Design Practices for Sustainable Buildings Acoustics 2008 Geelong, Victoria, Australia 24 to 26 November 2008 Acoustics and Sustainability: How should acoustics adapt to meet future demands? Acoustic Design Practices for Sustainable Buildings Danny

More information

ACOUSTICS: The Sounds of Sustainable Design

ACOUSTICS: The Sounds of Sustainable Design ACOUSTICS: The Sounds of Sustainable Design Allison McKenzie amckenzie@shp.com COURSE OUTLINE 1. Acoustical Impacts 2. The Acoustical ABCs 3. Design Best Practices 4. Sustainable Certifications Human comfort

More information

Acoustical proprieties of light brick walls and its effects on flanking transmission

Acoustical proprieties of light brick walls and its effects on flanking transmission Acoustical proprieties of light brick walls and its effects on flanking transmission G. Semprini a and L. Barbaresi b a University, DIENCA Dept. Facoltà di Ingegneria, Viale Risorgimento, 136 Bologna,

More information

Educational Facilities

Educational Facilities Acoustics and the Impact on Educational Facilities falconproducts.com Achieving High-Quality Acoustics in Schools The move to a collaborative teaching environment is bringing with it a change in classroom

More information

SPEECH INTELLIGIBILITY and Fire Alarm Voice Communication Systems

SPEECH INTELLIGIBILITY and Fire Alarm Voice Communication Systems SPEECH INTELLIGIBILITY and Fire Alarm Voice Communication Systems WILLIAM KUFFNER, M.A. Sc., P.Eng, PMP Senior Fire Protection Engineer Director Fire Protection Engineering October 30, 2013 Code Reference

More information

Acoustic Terms, Definitions and General Information

Acoustic Terms, Definitions and General Information Acoustic Terms, Definitions and General Information Authored by: Daniel Ziobroski Acoustic Engineer Environmental and Acoustic Engineering GE Energy Charles Powers Program Manager Environmental and Acoustic

More information

Sound Attenuation INTRODUCTION

Sound Attenuation INTRODUCTION INTRODUCTION In the broadest sense, a sound wave is any disturbance that is propagated in an elastic medium, which may be a gas, a liquid, or a solid. Noise is defined as any unwanted sound perceived by

More information

EMF shielding by building materials

EMF shielding by building materials EMF shielding by building materials Attenuation of microwave band electromagnetic fields by common building materials The U.S. National Institute of Standards and Technology (NIST) conducted in 1997 extensive

More information

SOUND INSULATION FOR INTERNAL/COMMON WALLS

SOUND INSULATION FOR INTERNAL/COMMON WALLS SOUND INSULATION FOR INTERNAL/COMMON WALLS Internal walls are walls separating different rooms of a single residence and common walls are inter-tenancy walls which separate individual apartments. The sound

More information

Roxul Insulation. Acoustical Fire Batts

Roxul Insulation.  Acoustical Fire Batts ROXUL AFB ROXUL AFB is a lightweight, semi-rigid batt insulation specifically designed for steel stud interior wall and floor applications. This stone wool-based insulation is made from natural stone and

More information

Welcome Contents Back 1

Welcome Contents Back 1 Welcome Contents Back 1 Attractive room acoustic design for multi-purpose halls H. Drotleff, X. Zhou 1. Introduction Multi-purpose halls serve various uses, e.g., open plan offices, conferences, exhibitions,

More information

Acoustic expectations, health effects, and design techniques in the urban environment

Acoustic expectations, health effects, and design techniques in the urban environment Acousticexpectations,healtheffects,anddesign techniquesintheurbanenvironment SteveRyherd Abstract The motivation for new urbanism brings with it potential challenges that designers may not have been forced

More information

TIMBER FRAME APPLICATION NOTES INTRODUCTION

TIMBER FRAME APPLICATION NOTES INTRODUCTION Tŷ-Mawr Ecological Building Materials TIMBER FRAME APPLICATION NOTES INTRODUCTION This application guidance is aimed at ensuring you make the best use of the Thermafleece range of insulation when used

More information

Sound Transmission Class Guidance

Sound Transmission Class Guidance U.S. Department of Housing and Urban Development Office of Community Planning and Development Noise Notebook Chapter 4 Supplement Sound Transmission Class Guidance Table of Contents Title Page Introduction

More information

Insulation of Partitions

Insulation of Partitions Insulation of Partitions Building Insulation January 2012 Contents World behind walls... 3 Demands regarding fire insulation... 4 Demands regarding sound in buildings... 6 Why choose PAROC Stone wool?...

More information

General Thoughts on Generator Set - Acoustic Solutions & Noise Control

General Thoughts on Generator Set - Acoustic Solutions & Noise Control t: 023 81 290160 www.excelpowerltd.co.uk f: 023 81 290260 info@excelpowerltd.co.uk General Thoughts on Generator Set - Acoustic Solutions & Noise Control Written By Steve Delaney A.M.I.O.A. of TAS Ltd

More information

ONLINE VERSION. The Building Regulations 2010 The Building (Approved Inspectors etc) Regulations 2010 ONLINE VERSION

ONLINE VERSION. The Building Regulations 2010 The Building (Approved Inspectors etc) Regulations 2010 ONLINE VERSION The Building Regulations 2010 The Building (Approved Inspectors etc) Regulations 2010 E1 E2 E3 E4 E Protection against sound from other parts of the building and adjoining buildings Protection against

More information

Module 3.3. Calculation of U-value Simple construction without thermal bridging

Module 3.3. Calculation of U-value Simple construction without thermal bridging Module 3.3 Calculation of U-value Simple construction without thermal bridging Learning Outcomes On successful completion of this module learners will be able to - Describe the procedure for the calculation

More information

FACT SHEET 14 SOUND INSULATION OF FLOORS. Key Issues and Considerations. Airborne and Impact Noise Insulation

FACT SHEET 14 SOUND INSULATION OF FLOORS. Key Issues and Considerations. Airborne and Impact Noise Insulation SOUND INSULATION OF FLOORS The sound insulation of floors refers to the ability of a floor system to reduce airborne noise entering your residence from residences above and below, and noise caused by movement

More information

Acoustic Blanket Hardware & Hardware for Acoustic Curtain Systems

Acoustic Blanket Hardware & Hardware for Acoustic Curtain Systems Acoustic Blanket Hardware & Hardware for Acoustic Curtain Systems Acoustic Blanket Model Track & Framing Hardware Acoustical Blanket Track and Hardware systems are designed for the installation of acoustical

More information

BORAL PLASTERBOARD Build something great. Section 4 Wall Lining Solutions

BORAL PLASTERBOARD Build something great. Section 4 Wall Lining Solutions BORAL PLASTERBOARD Build something great Section 4 Wall Lining Solutions 4.1 SYSTEMS INTRODUCTION Boral Direct Bond Wall Lining System Boral Direct Bond Wall Lining System provides a fast, efficient means

More information

OWAcoustic. Sound absorption

OWAcoustic. Sound absorption OWAcoustic Sound absorption Acoustic Performance with Mineral tiles Providing the correct acoustic environment can be a complex task, but it is now accepted as an important consideration in building design.

More information

Control of Sound Transmission through Gypsum Board Walls

Control of Sound Transmission through Gypsum Board Walls Construction Technology Update No. 1 Control of Sound Transmission through Gypsum Board Walls by A.C.C. Warnock and J.D. Quirt This Update explains how to achieve effective control of sound transmission

More information

Research on the combination of water and membranes as a sound insulation building material.

Research on the combination of water and membranes as a sound insulation building material. 28 September 2 October 2009, Universidad Politecnica de Valencia, Spain Alberto DOMINGO and Carlos LAZARO (eds.) Research on the combination of water and membranes as a sound insulation building material.

More information

Research on the combination of water and membranes as a sound insulation building material.

Research on the combination of water and membranes as a sound insulation building material. 28 September 2 October 2009, Universidad Politecnica de Valencia, Spain Alberto DOMINGO and Carlos LAZARO (eds.) Research on the combination of water and membranes as a sound insulation building material.

More information

Air Handling Units Acoustic Insulation Performance Tests

Air Handling Units Acoustic Insulation Performance Tests Classvent AIR HANDLERS LTD Engineering Solutions Air Source Renewable Energy Low Energy, Air Source, Heat Pump System 1262 Acoustic Testing Laboratory College of Science & Technology Air Handling Units

More information

Fire Alarm System Intelligibility

Fire Alarm System Intelligibility Fire Alarm System Intelligibility Design Strategies For Compliance The Degree To Which The Occupants Understand The Spoken Language Fire Alarm System Intelligibility STORED MESSAGES 1 QUESTIONS REGARDING

More information

EFFECTS OF TRIM AND TRIM MODELING ON IN-CAB NOISE

EFFECTS OF TRIM AND TRIM MODELING ON IN-CAB NOISE The 21 st International Congress on Sound and Vibration 13-17 July, 2014, Beijing/China EFFECTS OF TRIM AND TRIM MODELING ON IN-CAB NOISE Chavan Achyut, Raut Manoj and R Ramkumar. College of Engineering

More information

U-Value Calculations

U-Value Calculations Leaving Certificate Revision Notes U-Value Calculations www.constructionstudies.ie Construction Studies Notes vapour barrier insulation plasterboard Notes: Thermal insulation U value calculations timber

More information

Colorcoat Technical Paper Acoustic performance of pre-finished steel cladding systems

Colorcoat Technical Paper Acoustic performance of pre-finished steel cladding systems CI/SfB (4-) Nh2 (A3j) February 213 CI/SfB (4-) Nh2 (A3j) December 212 Colorcoat Technical Paper Acoustic performance of pre-finished steel cladding systems ACOUSTIC DESIGN Tata Steel has been developing

More information

Case Studies Illustrating Acoustic Design Guidelines for HVAC Systems in Schools

Case Studies Illustrating Acoustic Design Guidelines for HVAC Systems in Schools Cleveland, Ohio NOISE-CON 2003 2003 June 23-25 Case Studies Illustrating Acoustic Design Guidelines for HVAC Systems in Schools Robert M. Lilkendey, Siebein Associates, Inc. 625 NW 60 th Street, Suite

More information

Wall Lining Systems. Introduction Performance Tables. LAGYP Ultraframe Wall Lining System. LAGYP Independent Wall Lining System

Wall Lining Systems. Introduction Performance Tables. LAGYP Ultraframe Wall Lining System. LAGYP Independent Wall Lining System Introduction Performance Tables Ultraframe Wall Lining System Independent Wall Lining System Direct Bond Wall Lining System 1.1 Introduction INTRODUCTION Ultraframe Wall Lining System Ultrframe Wall Linings

More information

Noise Control Solutions For Standby Power Generators

Noise Control Solutions For Standby Power Generators Noise Control Solutions For Standby Power Generators by David Gries NVH Applications Engineer E-A-R Specialty Composites Indianapolis, Indiana Introduction Over the past several years, there has been

More information

Schedule Method Summary Sheet

Schedule Method Summary Sheet Schedule Method Summary Sheet Address: House/Flat/Unit.: Street: Suburb: Climate Zone: Climate Zone 2 te: all Wellington Regions are Climate Zone 2) Glazing Provisions : see guidance notes for commentary

More information

STANDARD TECHNICAL DETAILS

STANDARD TECHNICAL DETAILS STANDARD TECHNICAL DETAILS CONTENTS PAGE QL-TD-01 Quinn Lite Foundation Blocks (solid floor) 1 QL-TD-02 Quinn Lite Foundation Blocks (suspended floor) 2 QL-TD-03 Quinn Lite Foundation Blocks (stone cladding

More information

Acoustic Design Guide

Acoustic Design Guide Acoustic Design Guide ISO14001 ISO9001 QuietStuf, GreenStuf and QuiteSpace are registered trademarks of Autex Ind Ltd Contents 1 Introduction to Autex 2 Autex Acoustic Products 3 Why Polyester? 4 Environmental

More information

Acoustical Design for Concert Hall in the Science and Art Centre of Xiamen University

Acoustical Design for Concert Hall in the Science and Art Centre of Xiamen University Acoustical Design for Concert Hall in the Science and Art Centre of Xiamen University Yuezhe Zhao, Shuoxian Wu State Key Laboratory of Subtropical Building Sciences, South China University of Technology,

More information

Xella UK Building materials

Xella UK Building materials Xella UK Building materials YTONG BLOCK Details Xella UK a branch of Xella BE nv/sa 1 YTONG BLOCK DETAILS B 4.1 YTONG Blocks page 3-5 B 4.3 Lintels page 6-15 B 4.4 Murfor page 16-17 B 4.6 Round walls page

More information

Acoustic. Publication date June 2011. www.polymaxinsulation.com.au

Acoustic. Publication date June 2011. www.polymaxinsulation.com.au Acoustic Design Gui de Publication date June 2011 Contents Insulation Acoustic Design Guide Quick Product Selector Guide p.1 Introduction p.2 Acoustic Product Descriptions p.2 Sound Transmission p.3 Residential

More information

SONOPAN. The Acoustical Panel Above All!

SONOPAN. The Acoustical Panel Above All! SONOPAN The Acoustical Panel Above All! Louiseville Speciality Products OUR REPUTATION IS BUILT ON YOUR SATISFACTION Louiseville Speciality Products produces fiberboard panels for the construction industry.

More information

The Acoustical Properties of Wool Carpet

The Acoustical Properties of Wool Carpet The Acoustical Properties of Wool Carpet... carpet is one of the most practical and cost-effective products available for controlling noise in the built environment. Dianne Williams, Graeme E Harding and

More information

Guidance on Workmanship. for Better. Acoustic Performance

Guidance on Workmanship. for Better. Acoustic Performance Guidance on Workmanship for Better Acoustic Performance This booklet gives practical guidance to housebuilders on how to avoid the 'top ten' faults which can affect the sound insulation of party walls,

More information

is the power reference: Specifically, power in db is represented by the following equation, where P0 P db = 10 log 10

is the power reference: Specifically, power in db is represented by the following equation, where P0 P db = 10 log 10 RF Basics - Part 1 This is the first article in the multi-part series on RF Basics. We start the series by reviewing some basic RF concepts: Decibels (db), Antenna Gain, Free-space RF Propagation, RF Attenuation,

More information

GypLyner IWL 5.3. Gyproc GypLyner IWL. Independent wall lining system for commercial applications. Key facts. Sector Guide

GypLyner IWL 5.3. Gyproc GypLyner IWL. Independent wall lining system for commercial applications. Key facts. Sector Guide GypLyner IWL Gyproc GypLyner IWL independent wall lining is a lightweight, non-loadbearing dry internal lining which is erected independently of the external wall construction. The system is used in all

More information

Fire-resistant Sound absorbent High density for sag-free, tight its Green features for sustainable development

Fire-resistant Sound absorbent High density for sag-free, tight its Green features for sustainable development Fire-resistant Sound absorbent High density for sag-free, tight its Green features for sustainable development Batt insulation that fights both fire and noise Roxul s AFB Æ is a lightweight, semi-rigid

More information