Knauf Loft Roll 44 is available in a range of thicknesses with a thermal conductivity of 0.044 W/mK. Combi-cut products have partially cut perforations, providing the flexibility to be used between joists at either 400mm or 600mm centres, or used unsplit as a full-width roll. Ready-cut products are fully cut, and are designed to be used between joists at 600mm centres.
Thickness (mm) |
Thermal Conductivity (W/mK) |
Thermal Resistance (m2 K/W) |
Length (mm) |
Width (mm) |
Area per pack (m2 ) |
100 |
0.044 |
2.25 |
12.18 |
1140 (2x570/3x380) |
13.89 |
150 |
0.044 |
3.40 |
8.05 |
1140 (2x570/3x380) |
9.18 |
170 |
0.044 |
3.85 |
7.03 |
1140 (2x570/3x380) |
8.01 |
200 |
0.044 |
4.50 |
6.0 |
1140 (2x570/3x380) |
6.84 |
Fire: Non-combustible A1 Euroclass Reaction to Fire classification
Between joists in loft.
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