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.
E16MCPF2 Normal Corner
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Lightweight Concrete Block Inner Leaf λ ≤ 0.60 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:
...
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 DetailsE13MCPF3 Pitched roof gable, between and under rafter insulation
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Dense Concrete Block Inner Leaf λ ≤1.33 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 is...
View DetailsE13MCPF2 Pitched roof gable, between and under rafter insulation
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Lightweight Concrete Block Inner Leaf λ ≤ 0.60 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...
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...
View DetailsE12MCPF3 Pitched Roof Gable, Insulation at Ceiling Level
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Dense Concrete Block Inner Leaf λ ≤1.33 W/mK
Partial Fill Insulation
Pitched Roof Gable
400mm insulation (0.044W/mK) at Ceiling Level
Ventilated Loft
This LABC Registered Construction Detail is only valid for use with...
View DetailsE12MCPF2 Pitched Roof Gable, Insulation at Ceiling Level
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Lightweight Concrete Block Inner Leaf λ ≤ 0.60 W/mK
Partial Fill Insulation
Pitched Roof Gable
400mm insulation (0.044W/mK) at Ceiling Level
Ventilated Loft
This LABC Registered Construction Detail is only valid for use...
View DetailsE12MCPF1 Pitched Roof Gable, Insulation at Ceiling Level
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
400mm insulation (0.044W/mK) at Ceiling Level
Ventilated Loft
This LABC Registered Construction Detail is only valid for use with...
View DetailsE11MCPF3 Pitched roof eaves, between and under rafter insulation
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Dense Concrete Block Inner Leaf λ ≤1.33 W/mK
Partial Fill Insulation
Pitched Roof Eaves
150mm insulation (0.022W/mK) between rafters
50mm insulation (0.022W/mK) beneath rafters
This LABC Registered Construction Detail is...
View DetailsE11MCPF2 Pitched roof eaves, between and under rafter insulation
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Lightweight Concrete Block Inner Leaf λ ≤ 0.60 W/mK
Partial Fill Insulation
Pitched Roof Eaves
150mm insulation (0.022W/mK) between rafters
50mm insulation (0.022W/mK) beneath rafters
This LABC Registered Construction...
View Details