Canterbury Christ Church University
Canterbury University aim to transform individuals, creating knowledge, enriching communities and building a sustainable future
View case studyTapered HardRock® Multi-Fix (DD)
Non-combustible tapered insulation for flat roofs
ROCKWOOL HardRock® Multi-Fix (DD) Tapered is a BBA-approved stone wool insulation board, fabricated to provide a fall across a roof suitable for drainage and water management.
The product is faced with a mineral-coated glass fibre tissue which ensures compatibility with a wide range of adhered and mechanically-fixed waterproofing systems – including bitumen, single-ply, EPDM and liquid membranes, as well as green roof systems.
For ease of specification, HardRock Multi-Fix (DD) Tapered is backed by a complete design to delivery service.
| Reaction to fire (Euroclass) | A2-s1,d0 |
| Thermal conductivity | 0.039 W/mK |
| Water vapour resistance | 5.9 MNs/gm |
| Product standards | BS EN 13162, ISO 14001 |
| CE Marking | CE Marked |
| BBA Approved | BBA approved (21/5878) |
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