Construction Details

E11MCFF3 Pitched roof eaves, between and under rafter insulation

Build Up

External Masonry Cavity Wall

Masonry Outer Leaf (λ = 0.77)

Dense Concrete Block λ ≤1.33 W/mK

Full Fill Insulation

Pitched Roof Eaves

150mm insulation (0.022W/mK) between rafters

50mm insulation (0.022W/mK) beneath rafters

E11MCFF2 Pitched roof eaves, between and under rafter insulation

Build Up

External Masonry Cavity Wall

Masonry Outer Leaf (λ = 0.77)

Lightweight Concrete Block λ ≤ 0.60 W/mK

Full Fill Insulation

Pitched Roof Eaves

150mm insulation (0.022W/mK) between rafters

50mm insulation (0.022W/mK) beneath rafters

E11MCFF1 Pitched roof eaves, between and under rafter insulation

Build Up

External Masonry Cavity Wall

Masonry Outer Leaf (λ = 0.77)

Ultra Lightweight Concrete Block λ ≤ 0.28 W/mK

Full Fill Insulation

Pitched Roof Eaves

150mm insulation (0.022W/mK) between rafters

50mm insulation (0.022W/mK) beneath rafters

E11MCFF6 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)

Full Fill Insulation

Pitched Roof Eaves

150mm insulation (0.044W/mK) between rafters

50mm insulation (0.022W/mK) beneath rafters

Unventilated Rafter Void

E11MCFF5 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)

Full Fill Insulation

Pitched Roof Eaves

150mm insulation (0.044W/mK) between rafters

50mm insulation (0.022W/mK) beneath rafters

Unventilated Rafter Void

E11MCFF4 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)

Full Fill Insulation

Pitched Roof Eaves

150mm insulation (0.044W/mK) between rafters

50mm insulation (0.022W/mK) beneath rafters

Unventilated Rafter Void