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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
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External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Aircrete Block Inner Leaf (λ = 0.11 W/mK)
Full Fill Insulation
Steel Lintel, Open Back
(No continuous base plate)
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External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Dense Concrete Block λ ≤1.33 W/mK
Beam and Block Floor
Dense Floor Block
150mm Insulation Below Screed (0.022W/Mk)
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Masonry Party Wall
Separating Wall and Roof
2 x 100mm Aircrete Block (0.19W/m²K) Party (Separating) Wall
Max. 100mm cavity fully filled with insulation (0.044W/mK) density up to 40kg/ m3
400mm Insulation (λ = 0.044W/mK) at Ceiling Level
This LABC Registered…
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External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Aircrete Block Inner Leaf (λ = 0.11 W/mK)
Partial Fill Insulation
Inverted Corner
This LABC Registered Construction Detail is only valid for use with building work intended to follow the…
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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…
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External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Ultra Lightweight Concrete Block Inner Leaf λ ≤ 0.28 W/mK
Partial Fill Insulation
Ground Floor – 100mm Slab
100mm Insulation (0.022W/mK) Below 75mm Screed
This LABC Registered Construction Detail is…
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External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Aircrete Block Inner Leaf (λ = 0.19 W/mK)
Full Fill Insulation
In Situ Ground Bearing Concrete Floor
100mm Insulation Below Slab (0.022W/mK)
This LABC Registered Construction Detail is…
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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…
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External Masonry Cavity Wall
Masonry Outer Leaf
100mm Aircrete Block Inner Leaf (λ = 0.19 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…