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.
E4MCPF2 Jamb
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf
Lightweight Concrete Block Inner Leaf λ ≤ 0.60 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
Appr... View DetailsE4MCFF2 Jamb
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf
Lightweight Concrete Block λ ≤ 0.60 W/mK
Full 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
Approved Document... View Details