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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.
  • 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 EI 120.
  • Vertical shaft systems - up to EI 90

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

Guidance for specification option:

Central core.

Steel

Guidance for specification option:

Outer layers of perforated galvanized steel, mechanically bonded to the core.

Shape

Rectangle

Length

2400 mm

Width

1200 mm

Height

9.5 mm

Uniclass

Pr_25_71_11_25 Fibre-reinforced cement boardsPrimary

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.

Guidance for specification option:

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.

Sustainability data

Recyclability

Crushed down for recycle use.

Literature

Kemwell Impact Board Material Safety Data Sheet

Kemwell Impact Board Material Safety Data Sheet

Kemwell Impact Board Technical Data Sheet

Kemwell Impact Board Technical Data Sheet

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