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.
E18MCPF9 Party Wall Between Dwellings
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Aircrete Block Inner Leaf (λ = 0.19 W/mK)
Partial Fill Insulation
Proprietary Insulated Firestop (λ = 0.044W/mK)
2 x 100mm Aircrete Block (0.15W/m²K) Party (Separating) Wall
100mm cavity fully filled with insulation (0...
View DetailsE18MCPF8 Party Wall Between Dwellings
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Aircrete Block Inner Leaf (λ = 0.15 W/mK)
Partial Fill Insulation
Proprietary Insulated Firestop (λ = 0.044W/mK)
2 x 100mm Aircrete Block (0.15W/m²K) Party (Separating) Wall
100mm cavity fully filled with insulation (0...
View DetailsE18MCPF7 Party Wall Between Dwellings
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Aircrete Block Inner Leaf (λ = 0.11 W/mK)
Partial Fill Insulation
Proprietary Insulated Firestop (λ = 0.044W/mK)
2 x 100mm Aircrete Block (0.15W/m²K) Party (Separating) Wall
100mm cavity fully filled with insulation (0...
View DetailsE17MCPF6 Inverted Corner
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Aircrete Block Inner Leaf (λ = 0.19 W/mK)
Partial Fill Insulation
Inverted Corner
This LABC Registered Construction Detail is only valid for use with building work intended to follow the guidance in the following:
En...
View DetailsE17MCPF5 Inverted Corner
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Aircrete Block Inner Leaf (λ = 0.15 W/mK)
Partial Fill Insulation
Inverted Corner
This LABC Registered Construction Detail is only valid for use with building work intended to follow the guidance in the following:
En...
View DetailsE17MCPF4 Inverted Corner
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Aircrete Block Inner Leaf (λ = 0.11 W/mK)
Partial Fill Insulation
Inverted Corner
This LABC Registered Construction Detail is only valid for use with building work intended to follow the guidance in the following:
En...
View DetailsE16MCPF6 Normal Corner
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Aircrete Block Inner Leaf (λ = 0.19 W/mK)
Partial Fill Insulation
Normal Corner
This LABC Registered Construction Detail is only valid for use with building work intended to follow the guidance in the following:
Engl...
View DetailsE16MCPF5 Normal Corner
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Aircrete Block Inner Leaf (λ = 0.15 W/mK)
Partial Fill Insulation
Normal Corner
This LABC Registered Construction Detail is only valid for use with building work intended to follow the guidance in the following:
Engl...
View DetailsE16MCPF4 Normal Corner
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Aircrete Block Inner Leaf (λ = 0.11 W/mK)
Partial Fill Insulation
Normal Corner
This LABC Registered Construction Detail is only valid for use with building work intended to follow the guidance in the following:
Engl...
View DetailsE13MCPF5 Pitched Roof, Gable, Insulation At Rafter Level
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Aircrete Block Inner Leaf (λ = 0.15 W/mK)
Partial Fill Insulation
Pitched Roof Gable
150mm insulation (0.044W/mK) between rafters
50mm insulation (0.022W/mK) beneath rafters
Unventilated Rafter Void
This LABC...
View Details