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Part A Img

Appendix B Fabric Insulation Additional Guidance including Tables of U-values for Common Constructions

  • Diagram B15 Concrete slab-on-ground floor, insulation under slab

  • Diagram B16 Concrete slab-on-ground floor, insulation under screed

  • Diagram B17 Suspended timber floor with quilt insulation

  • Diagram B18 Suspended timber floor with rigid or semi-rigid board insulation

  • Diagram B19 Suspended reinforced concrete floor, internally insulated walls

  • Diagram B20 Suspended beam and block floor

  • Diagram B21 Exposed timber floor, insulation between joists

  • Diagram B22 Exposed concrete floor, external insulation

  • Diagram B1 Partially filled cavity

  • Diagram B2 Timber frame wall

  • Diagram B3 Pitched roof

  • Diagram B10 Inverted warm deck roof with concrete structure

  • Diagram B4 Insulation between and over joists

  • Diagram B5 Insulation between and below joists

  • Diagram B6 Insulation between and below rafters

  • Diagram B7 Insulation above and between rafters

  • Diagram B8 Timber flat roof, insulation between joists

  • Diagram B9 Sandwich warm deck flat roof above a concrete structure

  • Diagram B11 Cavity wall with partial-fill insulation

  • Diagram B12 Cavity wall with full-fill insulation

  • Diagram B13 Timber frame wall, insulation between framing timbers

  • Diagram B14 Hollow-block wall, internal insulation lining

  • Table B18 U-value of insulated ground floor as a function of floor area, exposed perimeter and thermal resistance of added insulation (Uins)

  • Table B19 Concrete slab-on-ground floors

  • Table B20 Suspended timber ground floors

  • Table B21 Suspended concrete ground floors

  • Table B22 U-values for exposed timber floors, insulation between timber joists, plasterboard finish

  • Table B23 U-values for exposed concrete floors, external insulation, external render

  • Table B24 4 Indicative U-values for windows, doors and rooflights

  • Table B1 U-values for tiled or slated pitched roof, ventilated roof space, insulation placed between and over joists at ceiling level

  • Table B2 U-values for tiled or slated pitched roof, ventilated roof space, insulation placed between and below joists at ceiling level

  • Table B3 U-values for tiled or slated pitched roof, occupied or unventilated roof space, insulation placed between and below rafters

  • Table B4 U-values for tiled or slated pitched roof, occupied or unventilated roof space, insulation placed between and above rafters

  • Table B5 U-values for timber flat roof, insulation between joists, 50 mm ventilated air gap between insulation and roof decking

  • Table B6 U-values for timber flat roof, insulation between and below joists, 50 mm ventilated air gap between insulation and roof decking

  • Table B7 U-values for sandwich warm deck flat roof

  • Table B8 U-values for sandwich warm deck flat roof

  • Table B10 U-values for construction as Table B9 except for lightweight concrete block inner leaf

  • Table B11 U-values for brick (or rendered dense concrete block) external leaf, 60mm partial fill insulation dense concrete block inner leaf, plasterboard fixed to timber studs, insulation between studs

  • Table B12 U-values for rendered dense concrete block external leaf, full-fill insulation dense concrete block inner leaf, plaster (or plasterboard) internal finish

  • Table B13 U-values for rendered dense concrete block external leaf, full-fill insulation, lightweight concrete block inner leaf, plaster (or plasterboard) internal finish

  • Table B14 U-values for brick (or rendered dense concrete block) external leaf, timber frame inner leaf, insulation between timber studs, plasterboard internal finish

  • Table B15 U-values for brick (or rendered dense concrete block) external leaf, timber frame inner leaf, insulation between 100 mm timber studs, additional insulation, plasterboard internal finish

  • Table B16 U-values for hollow-block wall, rendered externally, plasterboard fixed to timber studs internally, insulation between studs

  • Table B17 U-values of hollow-block wall, rendered externally, composite insulation/ plasterboard internally, fixed to timber battens [or plaster dabs]

  • Table B9 U-values for brick (or rendered dense concrete block) external leaf, partial fill insulation, dense concrete block inner leaf, plaster (or plasterboard) internal finish

  • Table B18 U-value of insulated ground floor as a function of floor area, exposed perimeter and thermal resistance of added insulation (Uins)

  • Table B19 Concrete slab-on-ground floors

  • Table B20 Suspended timber ground floors

  • Table B21 Suspended concrete ground floors

  • Table B22 U-values for exposed timber floors, insulation between timber joists, plasterboard finish

  • Table B23 U-values for exposed concrete floors, external insulation, external render

  • Table B24 4 Indicative U-values for windows, doors and rooflights

  • Table B1 U-values for tiled or slated pitched roof, ventilated roof space, insulation placed between and over joists at ceiling level

  • Table B2 U-values for tiled or slated pitched roof, ventilated roof space, insulation placed between and below joists at ceiling level

  • Table B3 U-values for tiled or slated pitched roof, occupied or unventilated roof space, insulation placed between and below rafters

  • Table B4 U-values for tiled or slated pitched roof, occupied or unventilated roof space, insulation placed between and above rafters

  • Table B5 U-values for timber flat roof, insulation between joists, 50 mm ventilated air gap between insulation and roof decking

  • Table B6 U-values for timber flat roof, insulation between and below joists, 50 mm ventilated air gap between insulation and roof decking

  • Table B7 U-values for sandwich warm deck flat roof

  • Table B8 U-values for sandwich warm deck flat roof

  • Table B10 U-values for construction as Table B9 except for lightweight concrete block inner leaf

  • Table B11 U-values for brick (or rendered dense concrete block) external leaf, 60mm partial fill insulation dense concrete block inner leaf, plasterboard fixed to timber studs, insulation between studs

  • Table B12 U-values for rendered dense concrete block external leaf, full-fill insulation dense concrete block inner leaf, plaster (or plasterboard) internal finish

  • Table B13 U-values for rendered dense concrete block external leaf, full-fill insulation, lightweight concrete block inner leaf, plaster (or plasterboard) internal finish

  • Table B14 U-values for brick (or rendered dense concrete block) external leaf, timber frame inner leaf, insulation between timber studs, plasterboard internal finish

  • Table B15 U-values for brick (or rendered dense concrete block) external leaf, timber frame inner leaf, insulation between 100 mm timber studs, additional insulation, plasterboard internal finish

  • Table B16 U-values for hollow-block wall, rendered externally, plasterboard fixed to timber studs internally, insulation between studs

  • Table B17 U-values of hollow-block wall, rendered externally, composite insulation/ plasterboard internally, fixed to timber battens [or plaster dabs]

  • Table B9 U-values for brick (or rendered dense concrete block) external leaf, partial fill insulation, dense concrete block inner leaf, plaster (or plasterboard) internal finish