Construction Details
LABC Registered Construction Details are only valid for use with building work intended to follow the guidance in the following:
England
- Approved Document L1A and L2A (2013 edition incorporating amendments up to and including 2016)
- Approved Document L1B (2010 edition incorporating amendments up to and including 2018)
- Approved Document L2B (2010 edition incorporating amendments up to and including 2016)
NOTE: LABC Registered Construction Details should not be used for Approved Document L Volume 1 and 2 (2021 edition) or any subsequent amendments.
Wales
Approved Document L1A, L1B, L2A and L2B (2014 edition incorporating amendments up to and including 2016)
NOTE: LABC Registered Construction Details should not be used for Approved Document L Volume 1 and 2 (2022 edition) or any subsequent amendments.
E1MCFF2 Insulated Steel Lintel
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Lightweight Concrete Block Inner Leaf (λ ≤ 0.60 W/mK)
Full Fill Insulation
Steel Lintel with Perforated Baseplate
(Insulated Soffit)
This LABC Registered Construction Detail is only valid for use with building work...
View DetailsE1MCFF1 Insulated Steel Lintel
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Ultra Lightweight Concrete Block Inner Leaf (λ ≤ 0.28 W/mK)
Full Fill Insulation
Steel Lintel with Perforated Baseplate
(Insulated Soffit)
This LABC Registered Construction Detail is only valid for use with building work...
View DetailsP5PCFF2 Roof, Insulation At Rafter Level
Build Up
Party Masonry Cavity Wall
Separating Wall and Roof
2 x 100mm Aircrete Block (0.19W/m²K) Party (Separating) Wall
100mm cavity fully filled with insulation (0.044W/mK) density up to 40kg/m3
150mm insulation (λ = 0.044W/mK) between the rafters
50mm (λ =0.022W/mK) below the rafters
Th...
View DetailsP5PCFF1 Roof, Insulation At Rafter Level
Build Up
Party Masonry Cavity Wall
Separating Wall and Roof
2 x 100mm Aircrete Block (0.15W/m²K) Party (Separating) Wall
100mm cavity fully filled with insulation (0.044W/mK) density up to 40kg/m3
150mm insulation (λ = 0.044W/mK) between the rafters
50mm (λ =0.022W/mK) below the rafters
Th...
View DetailsP4PCFF2 Roof, Insulation At Ceiling Level
Build Up
Masonry Party Wall
Separating Wall and Roof
2 x 100mm Aircrete Block (0.19W/m²K) Party (Separating) Wall
Max. 100mm cavity fully filled with insulation (0.044W/mK) density up to 40kg/ m3
400mm Insulation (λ = 0.044W/mK) at Ceiling Level
This LABC Registered Construction Detail is...
View DetailsP4PCFF1 Roof, Insulation At Ceiling Level
Build Up
Masonry Party Wall
Separating Wall and Roof
2 x 100mm Aircrete Block (0.15W/m²K) Party (Separating) Wall
Max. 100mm cavity fully filled with insulation (0.044W/mK) density up to 40kg/ m3
400mm Insulation (λ = 0.044W/mK) at Ceiling Level
This LABC Registered Construction Detail is...
View DetailsP1PCFF6 In-Situ Concrete Ground Bearing Floor, Insulation Below Slab
Build Up
Masonry Party Wall
2 x 100mm Aircrete Block (0.19W/m²K) Party (Separating) Wall
100mm cavity fully filled with insulation (0.044W/mK)
Ground Bearing Concrete Floor
Insulation Below Floor Slab
This LABC Registered Construction Detail is only valid for use with building work intended...
View DetailsP1PCFF5 In-Situ Concrete Ground Bearing Floor, Insulation Below Slab
Build Up
Masonry Party Wall
2 x 100mm Aircrete Block (0.15W/m²K) Party (Separating) Wall
100mm cavity fully filled with insulation (0.044W/mK)
Ground Bearing Concrete Floor
Insulation Below Floor Slab
This LABC Registered Construction Detail is only valid for use with building work intended...
View DetailsP1PCFF4 Suspended Concrete Floor, Insulation Below Slab
Build Up
Masonry Party Wall
2 x 100mm Aircrete Block (0.19W/m²K) Party (Separating) Wall
100mm cavity fully filled with insulation (0.044W/mK)
150mm Cast In-Situ Suspended Slab
Insulation Below Floor Slab
This LABC Registered Construction Detail is only valid for use with building work...
View DetailsP1PCFF3 Suspended Concrete Floor, Insulation Below Slab
Build Up
Masonry Party Wall
2 x 100mm Aircrete Block (0.15W/m²K) Party (Separating) Wall
100mm cavity fully filled with insulation (0.044W/mK)
150mm Cast In-Situ Suspended Slab
Insulation Below Floor Slab
This LABC Registered Construction Detail is only valid for use with building work...
View Details