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.
E6MCPF1 Intermediate floor within a dwelling
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Ultra Lightweight Concrete Block Inner Leaf λ ≤ 0.28 W/mK
Partial Fill Insulation
Intermediate Timber Floor Within Dwelling
Timber Joist
This LABC Registered Construction Detail is only valid for use with building work...
View DetailsE6MCFF1 Intermediate Floor Within a Dwelling
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Ultra Lightweight Concrete Block λ ≤ 0.28 W/mK
Full Fill Insulation
Intermediate Timber Floor Within Dwelling
Timber Joist
This LABC Registered Construction Detail is only valid for use with building work intended to...
View DetailsE7MCPF1 Concrete intermediate floor between dwellings
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Ultra Lightweight Concrete Block Inner Leaf λ ≤ 0.28 W/mK
Partial Fill Insulation
Precast Concrete Floor Between Dwellings
This LABC Registered Construction Detail is only valid for use with building work intended to follow...
View DetailsE7MCFF1 Concrete intermediate floor between dwellings
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Ultra Lightweight Concrete Block λ ≤ 0.28 W/mK
Full Fill Insulation
Precast Concrete Floor Between Dwellings
This LABC Registered Construction Detail is only valid for use with building work intended to follow the guidance...
View DetailsE4MCPF1 Jamb
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf
Ultra Lightweight Concrete Block Inner Leaf λ ≤ 0.28 W/mK
Partial Fill Insulation
Window Jamb
This LABC Registered Construction Detail is only valid for use with building work intended to follow the guidance in the following:
England...
View DetailsE18MCPF4 Masonry separating wall – External wall
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Ultra Lightweight Concrete Block λ ≤ 0.28 W/mK Inner Leaf
Partial Fill Insulation
2 x Dense Blockwork Leaves to Party (Separating) Wall
This LABC Registered Construction Detail is only valid for use with building work...
View DetailsE18MCPF1 Masonry separating wall – External wall
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Ultra Lightweight Concrete Block λ ≤ 0.28 W/mK Inner Leaf
Partial Fill Insulation
2 x Lightweight Blockwork Leaves to Party (Separating) Wall
This LABC Registered Construction Detail is only valid for use with...
View DetailsE17MCPF1 Inverted Corner
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Ultra Lightweight Concrete Block λ ≤ 0.28 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:
Eng...
View DetailsE16MCPF1 Normal Corner
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Ultra Lightweight Concrete Block λ ≤ 0.28 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:
Engla...
View DetailsE13MCPF1 Pitched roof gable, between and under rafter insulation
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Ultra Lightweight Concrete Block λ ≤ 0.28 W/mK
Partial Fill Insulation
Pitched Roof Gable
150mm insulation (0.022W/mK) between rafters
50mm insulation (0.022W/mK) beneath rafters
This LABC Registered Construction Detail...
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