Page 85 - Glow Insulation Product Guide

PIR (WALLS)
1 - Internal blockwork
2 - Original plaster finish
3 - Dry wall adhesive
4 - Plaster dabs
5 - Quinn Therm QL-Kraft boards 6 - Internal finish
U-value results below based upon wall construction shown:
32 5
4
1
6
103mm brick outer leaf; 40 - 50mm low
emissivity residual cavity; Quinn Therm QW;
100mm concrete block (conductivity as shown); 12mm
plaster with dry wall adhesive; Quinn Therm QL-Kraft
insulated plasterboard on plaster dabs. Calculations performed to BS EN ISO 6946, taking account of repeating thermal bridges.
Required thickness of Quinn Therm QL-Kraft
Cavity wall with internal drylining.
Quinn Therm QL-Kraft
Partial fill cavity insulation (mm)
50 60 75 80 100
thickness (mm)
37.5 42.5 50.5 62.5 72.5 82.5 92.5
U-value (W/m 2K)
0.22 0.20 0.17 0.21 0.19 0.17 0.19 0.18 0.16 0.17 0.16 0.14 0.16 0.15 0.14 0.15 0.14 0.13 0.14 0.13 0.12
0.17 0.15 0.16 0.14 0.15 0.13 0.14 0.12 0.13 0.12 0.12 0.11 0.12 0.11
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