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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
Pitched Roof Gable
150mm insulation (0.044W/mK) between rafters
50mm insulation (0.022W/mK) beneath rafters
Unventilated Rafter Void…
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External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Dense Concrete Block Inner Leaf (λ ≤ 1.33 W/mK)
Full Fill Insulation
Steel Lintel with Perforated Baseplate
(Insulated Soffit)
This LABC Registered Construction Detail is only valid for use with…
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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
Partial Fill Insulation
2 x Dense Blockwork Leaves to Party (Separating) Wall
This LABC Registered Construction Detail is only valid for use with…
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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
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)
Ultra Lightweight Concrete Block λ ≤ 0.28 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)
100mm Aircrete Block Inner Leaf (λ = 0.19 W/mK)
Full Fill Insulation
Steel Lintel with Perforated Baseplate
(Insulated Soffit)
This LABC Registered Construction Detail is only valid for use…
Build Up
External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Ultra Lightweight Concrete Block Inner Leaf (λ ≤ 0.28 W/mK)
Partial Fill Insulation
Steel Lintel with Perforated Baseplate
(Insulated Soffit)
This LABC Registered Construction Detail is only valid for…
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Masonry Party Wall
2 x 100mm Aircrete Block (0.19W/m²K) Party (Separating) Wall
100mm cavity fully filled with insulation (0.044W/mK)
150mm Cast In-Situ Suspended Slab
Insulation Below Floor Slab
This LABC Registered Construction Detail is only valid for use…
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External Masonry Cavity Wall
Masonry Outer Leaf (λ = 0.77)
Lightweight Concrete Block λ ≤ 0.60 W/mK
Beam and Block Floor
Lightweight Floor Block
150mm Insulation Below Screed (0.022W/Mk)
This LABC Registered Construction Detail is only valid for use with…
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Masonry Party Wall
Separating Wall and Roof
2 x Leaves Lightweight Blockwork to Party (Separating) Wall
Cavity fully filled with insulation
400mm Insulation (λ = 0.044W/mK) at Ceiling Level
This LABC Registered Construction Detail is only valid for use with…