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Kemwell Impact Board
A non-combustible fire, blast and impact protection board and barrier system.
Application
- For critical internal and external applications in the commercial, industrial, transport and energy sectors.
- Blast resistant transformer barriers.
- Suspended ceiling membranes - EI 240/E 240.
- Self-supporting ceiling membranes - EI 180/240.
- Loadbearing floors EI 120/180/240. Loadbearing floor Types 1 & 2 include FireKem FP-900 in the system build-ups. Refer to the manufacturer’s literature for details.
- Loadbearing roofs and access panels.
- Electrical and mechanical services enclosures.
- Fire and blast resistant walls, partitions and hoardings.
- Fire and blast access hatches within fire and blast rated Kemwell Impact Board ceilings, partitions and ducts.
- Fire-rated impact-resistant doors.
- Hydrocarbon fire resistant barriers.
- Fire barrier systems - EI 240/E 240.
- Hazardous materials vaults.
- Impact resistant barriers and spandrels.
- Fire, blast and impact protection system for ventilation, smoke outlet and kitchen extract ductwork - up to FRL 240/180/120.
- Vertical shaft systems.
Description
Impact Board is a composite rigid sheet product comprising a central core of fibre cement, light grey in colour with outer layers of 0.6 mm perforated galvanized steel mechanically bonded to the core. The outer steel skins are perforated with a diamond pattern that exposes the cementitious core.
General information
Color | Grey |
Finish | Galvanized |
Material | Fibre cement Central core. Steel Outer layers of perforated galvanized steel, mechanically bonded to the core. |
Shape | Rectangle |
Length | 2400 mm |
Width | 1200 mm |
Height | 9.5 mm |
Uniclass | |
CAWS | L20/630 Hatches K11/795 Wall lining on metal framing K11/885 Fire protection board K40/270 Boards K40/280 Access units K11/54 Fire protection board K40/135 Board-suspended ceiling system P12/310 Boards K11/60 Board |
Specification data - Fibre-reinforced cement boards
Standard | To BS EN 12467. |
Fire rating | To EN 13501-1, Euroclass A1. |
Sheet size | - |
Nominal thickness | 9.5 mm.Refer to manufacturer's literature for components and overall thicknesses of Kemwell Impact Board systems. |
Length | 2400 mm. |
Width | 1200 mm. |
Edges | Square. |
Finish as delivered | Z275 galvanized steel sheet facing, 0.6 mm thick, perforated. |
Colour | Light grey. |
Flexural strength | 103 N/mm². |
Impact resistance | > 85 mm/mm, unaffected. |
Blast resistance | Air blast pressure 300 kN/m², unaffected. |
Sound insulation | STC/Rw (dB): 32. |
Fire resistance | To BS 476: Part 20-2 and BS EN 1363-1 & 2, 240 minutes. |
Environmental information
Recyclability | Crushed down for recycle use. |
Literature
Kemwell Impact Board Material Safety Data Sheet
Kemwell Impact Board Technical Data Sheet
Kemwell PFP Impact Board Partitions - Nov 2022
Kemwell PFP Impact Board Fire Rated Ductwork - Nov 2022
Kemwell PFP Impact Board Fire Rated Ceilings and Floors - Nov 2022
Kemwell PFP Impact Board Access Hatches - Nov 2022
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