High Performance Partial Fill Cavity Slab
The ROCKWOOL High Performance Partial Fill Cavity Slab is a semi-rigid insulation solution designed for masonry cavity wall construction.
It is Euroclass A1 rated and has been designed to provide thermal performance and ease of installation, with the dual density absorbing irregularities on the inner leaf and provide a robust outer surface to fix retaining clips onto. These features in turn support the longevity of the external wall construction by delivering long-term energy efficiency and minimising heat loss through gaps in the insulation layer.
Specification
NBS Clause | Length (mm) | Width (mm) | *Approved thickness range (mm) |
F30-155 | 1200 | 455 | 50 - 230 |
*Thickness options may be subject to a minimum production volume. Speak to the specification team for guidance.
Standards and Certification
Product standards | BS EN 13162 |
CE Marking | CE Marked |
BBA Approved | Certificate 93/2884 |
Technical Properties
Reaction to fire (Euroclass) | Euroclass A1 |
Thermal conductivity |
<90 mm thick: 0.034 W/mK ≥90 mm thick: 0.035 W/mK |
Water repellent | Yes |
Water vapour resistance | Negligible |
Inner block |
Dense (1.130 W/mK) |
Medium dense (0.470 W/mK) |
Aircrete standard (0.15 W/mK) |
HP Partial Fill (mm) | U-value (W/m2K) | U-value (W/m2K) | U-value (W/m2K) |
100 | 0.28 | 0.27 | 0.25 |
120 | 0.24 | 0.23 | 0.22 |
150 | 0.2 | 0.19 | 0.18 |
180 | 0.17 | 0.17 | 0.16 |
CAD Drawings
Download CAD Drawings here