Quality You Can Trust Since From North America s Largest Roofing Manufacturer

Transcription

1 Quality You Can Trust Since From North America s Largest Roofing Manufacturer

2 This section contains the following: PAGE General Installed vs. Life Cycle Costs Building Construction Building Utilization Fire Resistance Wind Performance Energy Efficiency Roof Drainage Expansion Joints Roof Decks Parapet Walls Water Vapor Transfer Insulation Protected Membrane Roof Assemblies (PMRA) Asphalt Surfacing Walkways Flashing Test Cuts Recover and Reroofing

3 General Balanced Performance Basic Considerations Additional Considerations Installed vs. Life Cycle Costs Installed Cost 44

4 Life Cycle Cost Building Construction Rigid Construction Flexible Construction 45

5 46 Building Utilization Internal Temperature/ Humidity Physical Abuse Contamination Specialized Application

6 Fire Resistance Construction Type and Deck Slope Existing Roofing Over Non-Combustible Decks Existing Roofing Over Combustible Decks 47

7 Underwriters Laboratories Class A, B, C Underwriters Laboratories Hourly Ratings Factory Mutual Research Class A, B, C 48

8 Wind Performance Location Terrain Height Construction Type 49

9 Roof Regions Roof Slope Parapet Walls Factory Mutual Research Wind Ratings Underwriters Laboratories Wind Ratings 50

10 Underwriters Laboratories Wind Ratings American Society of Civil Engineers ASCE 7 Wind Design Energy Efficiency K-Value C-Value U-Factor 51

11 NRCA Energy Manual Method 52

12 Roof Drainage Why Roofs Should Drain How to Obtain or Improve Drainage Drainage Requirements About Roof Drains 53

13 54

14 Additional Roof Drainage Factors Expansion Joints Where to Use Expansion Joints Expansion Joint Recommendations 55

15 Roof Decks Design and Construction Considerations Steel Decks Å 56

16 Loadmaster Decks Å Å Å Poured Structural Concrete Decks 57

17 Precast Concrete Decks Prestressed Concrete Decks Poured Gypsum Decks 58

18 Å Lightweight Insulating Poured-in-Place Concrete Decks (LWIC) Å Å Å Å Wood Decks- Plank and Heavy Timber 59

19 Wood Decks Plywood Å Å Oriented Strand Board (OSB) Decks Cementitious Structural Wood Fiber Decks 60

20 Asphalt/Perlite Fill Decks Parapet Walls Brick/Block Masonry Structural Concrete Stucco/ Exterior Finish Insulating System (EFIS) Plywood Orient Strand Board (OSB) Sheet Metal Gypsum Panel Water Vapor Transfer Permeance 61

21 Relative Humidity Dew Point Temperature Temperature and Relative Humidity Vapor Retarder Location Sealing Perimeter and Penetrations 62

22 Building Usage The Case for the Use of a Vapor Retarder The Case Against the Use of a Vapor Retarder Insulation Å 63

23 Attachment General Requirements Å Å Types of Insulation Å Å Å Å Å Å Å 64

24 Å Å Å Å Å Å Å Å Å Å Membrane/System Application DensDeck Regular DensDeck Prime DensDeck DuraGuard Å 65

25 Other Types Of Insulation Å Å 66

26 Suggested Insulation Fastening Patterns for GAF EnergyGuard Insulations & Drill Tec Fasteners Fastener Placement for 2 X 4 Boards (typ.) 2 Fast./bd (typ.) (typ.) 3 Fast./bd - staggered (typ.) (typ.) 2 (typ.) (typ.) 4 Fast./bd 5 Fast./bd 6 Fast./bd 2 (typ.) 12 (typ.) (typ.) 7 Fast./bd 8 Fast./bd (typ.) 18" 9 Fast./bd Fastener Placement for 4 X 4 Boards 24" 24" 24" 4 Fast./bd 5 Fast./bd 6 Fast./bd 8 Fast./bd 67

27 Suggested Insulation Fastening Patterns (continued) 24" 18" 24" 9 Fast./bd 48" 11 Fast./bd 18" 12 Fast./bd 14 Fast./bd Fastener Placement for 4 X 8 Boards 3 spaces@24" 3 spaces@24" 3 spaces@24" 18" 18" 8 Fast./bd 12 Fast./bd 10 Fast./bd 4 spaces@18" 3 spaces@24" 15 Fast./bd 24" 16 Fast./bd 22 Fast./bd 18" 7 spaces@ 24 Fast./bd 28 Fast./bd 3 spaces@ 7 spaces@ 32 Fast./bd 68

28 General Recommendations for Fastener Placement: Å 69

29 Protected Membrane Roof Assemblies (PMRA) 70

30 71

31 Asphalt Surfacing Å Å Å Å Å Å 72

32 Walkways Å Wood Nailers 73

33 Flashing 74

34 Test Cuts Recover and Reroofing Tear-Off/Replace 75

35 Recover 76

36 Specific Deck Requirements Steel, Gypsum, Wood, Tectum Å Å Å 77

37 Concrete Lightweight Insulating Concrete Loadmaster Å Å Å 78

38 Å Å Å Flashing Details 79