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External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Lightweight Concrete Block Inner Leaf (λ ≤ 0.60 W/mK)
Full Fill Insulation
Steel Lintel with Perforated Baseplate
(Insulated Soffit)
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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
Pitched Roof Gable
150mm insulation (0.044W/Mk) between rafters
50mm insulation (0.022W/Mk) beneath rafters
Unventilated Rafter…
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External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Lightweight Concrete Block λ ≤ 0.60 W/mK Inner Leaf
Partial Fill Insulation
2 x Dense Blockwork Leaves to Party (Separating) Wall
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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
150mm Cast In-Situ Suspended Slab
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)
100mm Aircrete Block Inner Leaf (λ = 0.15 W/mK)
Full Fill Insulation
150mm Beam and Aircrete Block Infill
100mm Insulation Above Slab (0.022W/mK)
75mm Screed
This LABC Registered Construction…
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External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Dense Concrete Block Inner Leaf λ ≤1.33 W/mK
Partial Fill Insulation
Beam and Block Floor
Dense Floor Block
100mm Insulation Below Screed (0.022W/mK)
This LABC Registered Construction Detail is…
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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
Pitched Roof Gable
400mm insulation (0.044W/mK) at Ceiling Level
Ventilated Loft
This LABC Registered Construction Detail is only…
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External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
100mm Aircrete Block Inner Leaf (λ = 0.15 W/mK)
Partial Fill Insulation
Steel Lintel, Open Back
(No continuous base plate)
This LABC Registered Construction Detail is only valid for use with…
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
150mm insulation (0.044W/mK) between rafters
50mm insulation (0.022W/mK) beneath rafters
Unventilated…
Build Up
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
This LABC Registered Construction Detail…