Fire Duct PSM is formed of high density slab with factory machined grooves to allow for installation around larger circular ducts, again reinforced with aluminium foil.
ROCKWOOL Fire Duct System
There are three products within the ROCKWOOL Fire Duct System; Fire Duct Slab, Fire Duct Section and Fire Duct PSM, each specially designed for different applications.
Fire Duct Systems provide fire protection to circular and rectangular steel ductwork (in vertical and horizontal applications). The ROCKWOOL Fire Duct Systems provide comprehensive performance for stability, integrity and insulation, for all ducts passing through fire-rated walls or floors.
- Quick and easy to install
- Fully certified to BS 476–24 (duct types A and B)
- Single layer, enabling verification of system installation
- Space efficient, non-brittle, strong and safe
- Multi-role insulation: fire protection, acoustic and thermal
- Can be installed on standard DW144/42 ductwork