HardRock® UB34
Consisting of a dense ROCKWOOL insulation slab bonded to a rigid 6mm exterior-grade fibre cement board, this non-combustible product provides an impact and weather-resistant insulation solution for flat roof upstands and parapet walls.
Compatible with a range of flat roof systems, including single-ply and inverted, HardRock UB34 has been fully tested and classified as Euroclass A2-s1, d0 (non-combustible).
Specification
| NBS Clause | Length (mm) | Width (mm) | *Approved thicknesses (mm) |
| J21-425, J31-334, J41-425, J42-425 | 1200 | 600 | 56 |
*Thickness options may be subject to a minimum production volume. Speak to the specification team for guidance.
Technical Properties
| Product standards | Non-combustible – Euroclass A2-s1, d0 |
| Thermal conductivity | 0.034 W/mK (50mm mineral wool component) |
CAD Drawings
Download CAD Drawings here
