(1) WALLS:- INSULATION IN CAVITY Ground Floor - Insulation above slab DETAIL 1.01a, 2011 AIR BARRIER - CONTINUITY THERMAL PERFORMANCE GENERAL NOTES

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3 (1) WALLS:- INSULATION IN CAVITY Ground Floor - Insulation above slab DETAIL 1.01a, 2011 THERMAL PERFORMANCE CHECKLIST (TICK ALL) AIR BARRIER - CONTINUITY CHECKLIST (TICK ALL) Ensure partial fill insulation is secured firmly against inner leaf of cavity wall Floor insulation to tightly abut blockwork wall Ensure wall insulation is installed at least 225 mm below top of floor insulation 225 mm min Seal between wall and floor air barrier with a flexible sealant OR seal gap between skirting board and floor with a flexible sealant Seal all penetrations through air barrier using a flexible sealant Complying with checklist will help achieve design air permeability GENERAL NOTES The wall insulation installed below the wall DPC must be fit for purpose with regards to water absorption Keep cavities clean of mortar snots and other debris during construction Detail applicable:- Ground-bearing floor; raft foundation; in-situ suspended ground floor slab; pre-cast suspended ground floor. Insulation above slab, with timber floor finish OPTION (TICK ONE) AIR BARRIER - OPTIONS Masonry inner leaf with wet-finish plaster, or Masonry inner leaf with scratch coat, and finished with plasterboard, or Inner leaf with plasterboard on dabs, with continuous ribbon of adhesive tape around all openings, along top and bottom of wall, and at internal and external corners, or Airtightness membrane and tapes ACCEPTABLE CONSTRUCTION DETAIL Ground Floor - Insulation above slab DETAIL 1.01a, 2011

4 (1) WALLS:- INSULATION IN CAVITY Ground Floor - Insulation above slab plus lightweight block DETAIL 1.01b, 2011 THERMAL PERFORMANCE CHECKLIST (TICK ALL) AIR BARRIER - CONTINUITY CHECKLIST (TICK ALL) Ensure partial fill insulation is secured firmly against inner leaf of cavity wall Floor insulation to tightly abut blockwork wall Ensure wall insulation is installed at least 225 mm below top of floor insulation Ensure block with a maximum Thermal Conductivity of.20 W/mK in the direction of heat flow is used and that block is suitable for use in foundations in all conditions. Block is to be installed so to avoid any effect of moisture on Thermal Conductivity 225 mm min Seal between wall and floor air barrier with a flexible sealant OR seal gap between skirting board and floor with a flexible sealant Seal all penetrations through air barrier using a flexible sealant Complying with checklist will help achieve design air permeability GENERAL NOTES The wall insulation installed below the wall DPC must be fit for purpose with regards to water absorption Keep cavities clean of mortar snots and other debris during construction Detail applicable:- Ground-bearing floor; raft foundation; in-situ suspended ground floor slab; pre-cast suspended ground floor. Insulation above slab, with timber floor finish OPTION (TICK ONE) AIR BARRIER - OPTIONS Masonry inner leaf with wet-finish plaster, or Masonry inner leaf with scratch coat, and finished with plasterboard, or Inner leaf with plasterboard on dabs, with continuous ribbon of adhesive tape around all openings, along top and bottom of wall, and at internal and external corners, or ACCEPTABLE CONSTRUCTION DETAIL Airtightness membrane and tapes Ground Floor - Insulation above slab DETAIL 1.01b, 2011

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8 (1) WALLS:- INSULATION IN CAVITY Concrete Intermediate Floor within a dwelling DETAIL 1.04, 2011 THERMAL PERFORMANCE CHECKLIST (TICK ALL) AIR BARRIER - CONTINUITY CHECKLIST (TICK ALL) Ensure partial fill insulation is secured firmly against inner leaf of cavity wall Continue cavity wall insulation across floor abutment zone Seal gap between skirting board and floor with a flexible sealant Seal between the wall air barrier and the top and underside of the floor slab. (Dotted blue line is notional, to depict air barrier continuity through floor zone) Ensure continuous mortar bed between floor slab and top of blockwork wall Seal all penetrations through air barrier using flexible sealant Complying with checklist will help achieve design air permeability GENERAL NOTES Keep cavities clean of mortar snots and other debris during construction OPTION (TICK ONE) AIR BARRIER - OPTIONS Masonry inner leaf with wet-finish plaster, or Masonry inner leaf with scratch coat, and finished with plasterboard, or Inner leaf with plasterboard on dabs, with continuous ribbon of adhesive tape around all openings, along top and bottom of wall, and at internal and external corners, or ACCEPTABLE CONSTRUCTION DETAIL Airtightness membrane and tapes Concrete Intermediate Floor within a dwelling DETAIL 1.04, 2011

9 (1) WALLS:- INSULATION IN CAVITY Concrete Intermediate Floor between dwellings DETAIL 1.04a, 2011 THERMAL PERFORMANCE CHECKLIST (TICK ALL) AIR BARRIER - CONTINUITY CHECKLIST (TICK ALL) Ensure partial fill insulation is secured firmly against inner leaf of cavity wall Continue cavity wall insulation across floor abutment zone Seal gap between skirting board and floor with a flexible sealant Seal between the wall air barrier and the top and underside of the floor slab. (Dotted blue line is notional, to depict air barrier continuity through floor zone) Ensure continuous mortar bed between floor slab and top of blockwork wall Seal all penetrations through air barrier using flexible sealant Complying with checklist will help achieve design air permeability GENERAL NOTES Keep cavities clean of mortar snots and other debris during construction OPTION (TICK ONE) AIR BARRIER - OPTIONS Masonry inner leaf with wet-finish plaster, or Masonry inner leaf with scratch coat, and finished with plasterboard, or Inner leaf with plasterboard on dabs, with continuous ribbon of adhesive tape around all openings, along top and bottom of wall, and at internal and external corners, or ACCEPTABLE CONSTRUCTION DETAIL Airtightness membrane and tapes Concrete Intermediate Floor within a dwelling DETAIL 1.04a, 2011

10 (1) WALLS:- INSULATION IN CAVITY Timber Intermediate Floor Within a Dwelling DETAIL 1.05, 2011 THERMAL PERFORMANCE Ensure partial fill insulation is secured firmly against inner leaf of cavity wall Continue cavity wall insulation across floor abutment zone CHECKLIST (TICK ALL) AIR BARRIER - CONTINUITY CHECKLIST (TICK ALL) Mortar joints around built-in joists should be recessed or struck and carefully pointed with flexible sealant. Alternatively, joists may be fitted with proprietary shoes as they are installed. Seal shoe to blockwork face with a flexible sealant. (Dotted blue line is notional, to depict continuity of air barrier through floor zone) Seal between wall air barrier and blockwork, above and below the floor assembly Seal all penetrations through air barrier using a flexible sealant Complying with checklist will help achieve design air permeability GENERAL NOTES Keep cavities clean of mortar snots and other debris during construction Suspended timber floors may be laid in joist hangers rather than built in Where wall supports joists, thermal performance and airtightness of junction can be improved significantly by using joist hangers with shoes standing off the wall face For timber engineered joists, proprietary filler pieces must be fitted on both sides of the web between top and bottom flanges. (See manufacturer's details.) OPTION (TICK ONE) AIR BARRIER - OPTIONS Masonry inner leaf with wet-finish plaster, or Masonry inner leaf with scratch coat, and finished with plasterboard, or Inner leaf with plasterboard on dabs, with continuous ribbon of adhesive tape around all openings, along top and bottom of wall, and at internal and external corners, or Airtightness membrane and tapes ACCEPTABLE CONSTRUCTION DETAIL Timber Intermediate Floor Within a Dwelling DETAIL 1.05, 2011

11 (1) WALLS:- INSULATION IN CAVITY Timber Separating Floor Between Dwellings DETAIL 1.05a, 2011 THERMAL PERFORMANCE Ensure partial fill insulation is secured firmly against inner leaf of cavity wall Continue cavity wall insulation across floor abutment zone CHECKLIST (TICK ALL) AIR BARRIER - CONTINUITY CHECKLIST (TICK ALL) Mortar joints around built-in joists should be recessed or struck and carefully pointed with flexible sealant. Alternatively, joists may be fitted with proprietary shoes as they are installed. Seal shoe to blockwork face with a flexible sealant. (Dotted blue line is notional, to depict continuity of air barrier through floor zone) Seal between wall air barrier and blockwork, above and below the floor assembly Seal all penetrations through air barrier using a flexible sealant GENERAL NOTES Keep cavities clean of mortar snots and other debris during construction Suspended timber floors may be laid in joist hangers rather than built in Where wall supports joists, thermal performance and airtightness of junction can be improved significantly by using joist hangers with shoes standing off the wall face Detail is diagramatic only. Where floor is a separating floor, accoustic insulation should be provided. See TGD-E For timber engineered joists, proprietary filler pieces must be fitted on both sides of the web between top and bottom flanges. (See manufacturer's details.) ACCEPTABLE CONSTRUCTION DETAIL OPTION (TICK ONE) AIR BARRIER - OPTIONS Complying with checklist will help achieve design air permeability Masonry inner leaf with wet-finish plaster, or Masonry inner leaf with scratch coat, and finished with plasterboard, or Inner leaf with plasterboard on dabs, with continuous ribbon of adhesive tape around all openings, along top and bottom of wall, and at internal and external corners, or Airtightness membrane and tapes Timber Separating Floor Between Dwellings DETAIL 1.05a, 2011

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13 (1) WALLS:- INSULATION IN CAVITY THERMAL PERFORMANCE CHECKLIST (TICK ALL) Masonry Partition Wall AIR BARRIER - CONTINUITY CHECKLIST (TICK ALL) DETAIL 1.07, 2011 Ensure partial fill insulation is secured firmly against inner leaf of cavity wall Continue cavity wall insulation across abutment zone Seal between air barrier on external wall and the blockwork, to the partition wall. (Dotted blue line is notional, to depict air barrier continuity through partition, depending on whether partition toothed into external wall or braced with ties) Seal all penetrations through air barrier using a flexible sealant Complying with checklist qualifies builder to claim! value in Table 3 of IP 1/06 and Table K1 of DEAP 2006 GENERAL NOTES Keep cavities clean of mortar snots and other debris during construction Read this detail in conjunction with detail G-02, Blockwork Partition Head OPTION (TICK ONE) AIR BARRIER - OPTIONS Complying with checklist will help achieve design air permeability Masonry inner leaf with wet-finish plaster, or Masonry inner leaf with scratch coat, and finished with plasterboard, or Inner leaf with plasterboard on dabs, with continuous ribbon of adhesive tape around all openings, along top and bottom of wall, and at internal and external corners, or ACCEPTABLE CONSTRUCTION DETAIL Masonry Partition Wall Airtightness membrane and tapes DETAIL 1.07, 2011

14 (1) WALLS:- INSULATION IN CAVITY THERMAL PERFORMANCE CHECKLIST (TICK ALL) Stud Partition Wall AIR BARRIER - CONTINUITY CHECKLIST (TICK ALL) DETAIL 1.08, 2011 Ensure partial fill insulation is secured firmly against inner leaf of cavity wall Install external air barrier before stud; or install barrier before partition lining and seal all gaps between air barrier and stud with flexible sealant. (Dotted blue line depicts air barrier continuity through partition stud member) Continue cavity wall insulation across abutment zone Seal all penetrations through air barrier using a flexible sealant Complying with checklist qualifies builder to claim! value in Table 3 of IP 1/06 and Table K1 of DEAP 2006 GENERAL NOTES Detail applicable to timber stud and metal stud partitions Keep cavities clean of mortar snots and other debris during construction Read this detail in conjunction with details G-03, Timber Stud Partition Head, or G-04, Metal Stud Partition Head as appropriate OPTION (TICK ONE) AIR BARRIER - OPTIONS Complying with checklist will help achieve design air permeability Masonry inner leaf with wet-finish plaster, or Masonry inner leaf with scratch coat, and finished with plasterboard, or Inner leaf with plasterboard on dabs, with continuous ribbon of adhesive tape around all openings, along top and bottom of wall, and at internal and external corners, or Airtightness membrane and tapes ACCEPTABLE CONSTRUCTION DETAIL Stud Partition Wall DETAIL 1.08, 2011

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