WOBO thanks ROCKWOOL for the update in respect of their BBA certification.

ROCKWOOL HARDROCK® Multi-Fix (DD) and Tapered have been certified by the British Board of Agrément (BBA) following rigorous testing of their durability, thermal and fire performance.

While HARDROCK Multi-Fix is already tried and trusted by specifiers and contractors, this independent accreditation gives an added reassurance that the solutions meet Building Regulation requirements.

BBA certification is the latest in a series of accreditations for HARDROCK Multi-Fix (DD) and Tapered, which were developed to provide thermal, as well as fire and acoustic protection for flat roofs. Alongside achieving European Reaction to Fire Classification of A2-s1,d0 non-combustible, HARDROCK Multi-Fix meets the highest LPCB standards: (LPS 1181: Part 1 Ext A).

Product benefits

▷ Compatible with a range of bonded and mechanically fixed roof system, including single-ply, EPDM and liquid membranes, bitumen, and green roofs

▷ Non-combustible Euroclass A2-s1,d0

▷ Tested to provide up to two hours of fire resistance

▷ Significantly reduces noise transfer and drumming of rain

▷ Dimensionally stable for long-term durability

▷ Now rigorously tested by the British Board of Agrément