E4MCFF1 Jamb
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf
Ultra Lightweight Concrete Block λ ≤ 0.28 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 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: This LABC Registered Construction Detail 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: This LABC Registered Construction Detail should not be used for Approved Document L Volume 1 and 2 (2022 edition) or any subsequent amendments.
Architect downloads
e4mcff1_cad_file.dwg216.38 KB
Registered Detail certificates
e4mcff1_certificate_0.pdf443.92 KB
rcd_worksheet_8.pdf301.44 KB