DST Group Ltd C300P Intumescent Pillows are simply packed tightly in between penetrating services and the wall. In a floor, pillows are additionally supported by means of a mesh support system. (See diagram)

Under fire conditions, DST Group Ltd C300P Intumescent Pillows expand several times their original volume to form an effective seal around service penetrations.

DST Group Ltd C300P Intumescent Pillows are suitable for use with:

  • Metal pipework
  • Cable trays
  • Electrical trunking (inside and outside)

 

Fire Pillow Installation

 

Key to Diagram:

  • A  – DST Group C300P Intumescent Pillows
  • B – Basket of galvanised steel wire mesh 50mm x 50mm squares, wire diameter 2.5mm mesh basket mechanically fixed to floor slab
  • C – Wire mesh as above, overlapping basket mesh and tied together with steel wire

DST Group Ltd C300P Intumescent Pillows supported by mesh cage in service riser floor.

Estimating Quantities

Pillows are available in four sizes and the table below outlines approximate quantities of each size to fill one m2 area.

Pillow Size (mm) Approximate N°
300 x 200 x 30 165 per m2 opening
 330 x 150 x 30 220 per m2 opening
300 x 100 x 30 330 per m2 opening
300 x 50 x 30 660 per m2 opening

Fire Rating

DST Group Ltd C300P Intumescent Pillows will provide  hours’ fire integrity and 2 hours’ insulation rating as tested in accordance with BS76 Part 20.

Install DST Group Ltd C300P Intumescent Pillows to provide up to 4 ours rating. Installation to be fully in accordance with manufacturer’s instructions.