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.
E3MCPF2 Sill
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
Window Sill
This LABC Registered Construction Detail is only valid for use with building work intended to follow the guidance in the following:
En...
View DetailsE2MCPF2 Independent Concrete Lintel
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
Independent Concrete Lintel
Soffit Insulation
This LABC Registered Construction Detail is only valid for use with building work intended to follow...
View DetailsE1MCPF2 Insulated Steel Lintel
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Lightweight Concrete Block λ ≤ 0.60 W/mK
Partial Fill Insulation
Steel Lintel with Perforated Baseplate
(Insulated Soffit)
This LABC Registered Construction Detail is only valid for use with building work intended to...
View DetailsE18MCFF5 Masonry separating wall
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Lightweight Concrete Block λ ≤ 0.60 W/mK Inner Leaf
Full Fill Insulation
2 x Dense Blockwork Leaves to Party (Separating) Wall
This LABC Registered Construction Detail is only valid for use with building work intended...
View DetailsE18MCFF2 Masonry separating wall
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Lightweight Concrete Block λ ≤ 0.60 W/mK Inner Leaf
Full Fill Insulation
2 x Lightweight Blockwork Leaves to Party (Separating) Wall
This LABC Registered Construction Detail is only valid for use with building work...
View DetailsE17MCFF2 Inverted Corner
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Lightweight Concrete Block λ ≤ 0.60 W/mK
Full 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:
England
App... View DetailsE16MCFF2 Normal Corner
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Lightweight Concrete Block λ ≤ 0.60 W/mK
Full 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:
England
Appro... View DetailsE13MCFF2 Pitched roof gable, between and under rafter insulation
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Lightweight Concrete Block λ ≤ 0.60 W/mK
Full 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 only...
View DetailsE12MCFF2 Pitched roof gable, insulation at ceiling level
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Lightweight Concrete Block λ ≤ 0.60 W/mK
Full 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 building...
View DetailsE11MCFF2 Pitched roof eaves, between and under rafter insulation
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Lightweight Concrete Block λ ≤ 0.60 W/mK
Full 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 only...
View Details