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Solutions Insulating Timber Frame Walls
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Solutions: Multi Foil & Reflective Membranes - Walls

L1A 2010 CFSH – Level 4 Low Carbon /
PassivHaus
Stud U Values

External Wall Solutions

Fully filled cavity unless otherwise specified

0.30

to

0.23

0.22 0.21 0.20 0.19 0.18 0.17 0.16 0.15 0.14 0.13 0.12

to

0.10

Outer
(Breathable)
Lambda Insulation

Between

Inside

(AVCL)

89mm PHOTONFRAME
A1 Fire Rated
0.040 Glass PHOTONCHECK
A1 Fire Rated
download
0.035 Glass download
0.032 Glass download
PHOTONWRAP
A1 Fire Rated
0.040 Glass PHOTONFOIL
A1 Fire Rated
download
0.035 Glass download
0.032 Glass download
140mm PHOTONFRAME
A1 Fire Rated
0.040 Glass PHOTONCHECK
A1 Fire Rated
download
0.035 Glass download
0.032 Glass download
PHOTONWRAP
A1 Fire Rated
0.040 Glass PHOTONFOIL
A1 Fire Rated
download
0.035 Glass download
0.032 Glass download
0.022 PIR

Part filled

download
PHOTONFRAME
A1 Fire Rated
0.040 Glass download
0.035 Glass download
0.032 Glass download
PHOTONAIR 0.035 Glass P/BOARD download
184mm PHOTONFRAME
A1 Fire Rated
0.040 Glass PHOTONCHECK
A1 Fire Rated
download
0.035 Glass download
0.032 Glass download
PHOTONWRAP
A1 Fire Rated
0.040 Glass PHOTONFOIL
A1 Fire Rated
download
0.035 Glass download
0.032 Glass download
PHOTONFRAME
A1 Fire Rated
0.040 Glass download
0.035 Glass download
0.032 Glass download
U Value 0.30

to

0.23

0.22 0.21 0.20 0.19 0.18 0.17 0.16 0.15 0.14 0.13 0.12
to
0.10