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.
E13MCPF4 Pitched Roof, Gable, Insulation At Rafter Level
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Aircrete Block Inner Leaf (λ = 0.11 W/mK)
Partial Fill Insulation
Pitched Roof Gable
150mm insulation (0.044W/mK) between rafters
50mm insulation (0.022W/mK) beneath rafters
Unventilated Rafter Void
This LABC...
View DetailsE12MCPF6 Pitched Roof, Gable, Insulation At Ceiling Level
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Aircrete Block Inner Leaf (λ = 0.19 W/mK)
Partial Fill Insulation
Pitched Roof Gable
400mm insulation quilt (0.044W/mK) at Ceiling Level
Ventilated Loft
This LABC Registered Construction Detail is only valid for use...
View DetailsE12MCPF5 Pitched Roof, Gable, Insulation At Ceiling Level
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Aircrete Block Inner Leaf (λ = 0.15 W/mK)
Partial Fill Insulation
Pitched Roof Gable
400mm insulation quilt (0.044W/mK) at Ceiling Level
Ventilated Loft
This LABC Registered Construction Detail is only valid for use...
View DetailsE12MCPF4 Pitched Roof, Gable, Insulation At Ceiling Level
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Aircrete Block Inner Leaf (λ = 0.11 W/mK)
Partial Fill Insulation
Pitched Roof Gable
400mm insulation quilt (0.044W/mK) at Ceiling Level
Ventilated Loft
This LABC Registered Construction Detail is only valid for use...
View DetailsE11MCPF6 Pitched Roof, Eaves, Insulation At Rafter Level
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Aircrete Block Inner Leaf (λ = 0.19 W/mK)
Partial Fill Insulation
Pitched Roof Eaves
150mm insulation (0.044W/mK) between rafters
50mm insulation (0.022W/mK) beneath rafters
Unventilated Rafter Void
This LABC...
View DetailsE11MCPF5 Pitched Roof, Eaves, Insulation At Rafter Level
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Aircrete Block Inner Leaf (λ = 0.15 W/mK)
Partial Fill Insulation
Pitched Roof Eaves
150mm insulation (0.044W/mK) between rafters
50mm insulation (0.022W/mK) beneath rafters
Unventilated Rafter Void
This LABC...
View DetailsE11MCPF4 Pitched Roof, Eaves, Insulation At Rafter Level
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Aircrete Block Inner Leaf (λ = 0.11 W/mK)
Partial Fill Insulation
Pitched Roof Eaves
150mm insulation (0.044W/mK) between rafters
50mm insulation (0.022W/mK) beneath rafters
Unventilated Rafter Void
This LABC...
View DetailsE10MCPF6 Pitched Roof, Eaves, Insulation At Ceiling Level
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Aircrete Block Inner Leaf (λ = 0.19 W/mK)
Partial Fill Insulation
Pitched Roof Eaves (minimum pitch 40°)
400mm insulation quilt (0.044W/mK) at Ceiling Level
Ventilated Loft
This LABC Registered Construction Detail...
View DetailsE10MCPF5 Pitched Roof, Eaves, Insulation At Ceiling Level
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Aircrete Block Inner Leaf (λ = 0.15 W/mK)
Partial Fill Insulation
Pitched Roof Eaves (minimum pitch 40°)
400mm insulation quilt (0.044W/mK) at Ceiling Level
Ventilated Loft
This LABC Registered Construction Detail...
View DetailsE10MCPF4 Pitched Roof, Eaves, Insulation At Ceiling Level
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Aircrete Block Inner Leaf (λ = 0.11 W/mK)
Partial Fill Insulation
Pitched Roof Eaves (minimum pitch 40°)
400mm insulation quilt (0.044W/mK) at Ceiling Level
Ventilated Loft
This LABC Registered Construction Detail...
View Details