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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
Pitched Roof Gable
400mm insulation (0.044W/mK) at Ceiling Level
Ventilated Loft
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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
Window Sill
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External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Dense Concrete Block λ ≤1.33 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…
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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
Steel Lintel with Perforated Baseplate
(Insulated Soffit)
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External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Ultra Lightweight Concrete Block λ ≤ 0.28 W/mK
Beam and Block Floor
Lightweight Floor Block
150mm Insulation Below Screed (0.022W/Mk)
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External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Ultra Lightweight Concrete Block λ ≤ 0.28 W/mK
Full 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 = 0.19 W/mK)
Partial Fill Insulation
Pitched Roof Gable
150mm insulation (0.044W/mK) between rafters
50mm insulation (0.022W/mK) beneath rafters
Unventilated…
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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
150mm 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 Inner Leaf λ ≤ 0.60 W/mK
Partial Fill Insulation
Beam and Block Floor
Lightweight Floor Block
150mm Insulation Below Screed (0.022W/mK)
This LABC Registered Construction…
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External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Partial Fill Insulation
100mm Aircrete Block Inner Leaf (λ = 0.19 W/mK)
150mm Beam and Aircrete Block Infill
100mm Insulation Above Slab (0.022W/mK)
75mm Screed
This LABC Registered…