Full Fill Cavity Batts
In use for over 30 years, ROCKWOOL® Full Fill Cavity Batts provide a proven cavity wall insulation solution for new builds or extensions in residential and commercial developments.
The stone wool insulation Full Fill Cavity Batts prevent moisture transmission and maintain insulation for the long term.
Lightweight and easy to handle, installation is efficient and provides a close fit against brick and blockwork, whilst also adapting to imperfections in the cavity wall.
Specification
NBS Clause | Length (mm) | Width (mm) | *Approved thickness range (mm) |
F30 – 130 | 1200 | 455 | 50 – 250 |
*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, Keymark, Kitemark |
CE Marking | CE Marked |
BBA Approved | Certificate 94/3079 |
Approved Document E, Section 2 – Separating walls and associated flanking constructions for new buildings | Meets criteria |
Technical Properties
Reaction to fire (Euroclass) | Euroclass A1 (BS EN 13501-1) |
Thermal conductivity | 0.037 W/mK |
Water Repellent | Water Repellent |
Thermal Performance
Dense (1.130 W/mK) |
Medium dense (0.470 W/mK) |
Aircrete standard (0.15 W/mK) | |
Full fill cavity thickness (mm) | U-value (W/m2K) | U-value (W/m2K) | U-value (W/m2K) |
100 | 0.31 | 0.29 | 0.27 |
120 | 0.26 | 0.25 | 0.24 |
150 | 0.22 | 0.21 | 0.20 |
180 | 0.18 | 0.18 | 0.17 |
CAD Drawings
Download CAD Drawings here