NBS Source
Cavi240 Type CFIS cavity fire stop

Application

For horizontal and vertical use in cavities up to 90 mm wide.


Description

Fire rated, polythene sleeved. rock mineral wool, friction fit cavity fire and acoustic stop.


Features and benefits:

  • 240 minutes fire integrity rated (Cavity Trays Ltd claims product has been tested to BS 476-20 by Warrington Fire Research Centre).
  • Retained in position by compression (10 mm minimum).

General information

Shape

Rectangle

Color

Green

Material

Wool

Rock mineral wool, non-combustible classification (BS 476) within polythene.

Size

[Size, 1200 x 100 x 50 mm]

1200 x 100 x 50 mm

Uniclass

Pr_35_90_50_64 Plastics cavity closersPrimary

CAWS

F30/18 Cavity closers

F30/180 Cavity closers

Specification data - Plastics cavity closers Enhanced data

To fit cavity width

Insert requirements; up to 200 mm.

Length

1200 mm.

As standard.

Contractor's choice.

As drawings___.

Thermal resistance

2.37 m² K/W.

Insulation properties.

ThermalConductivity

0.035 W/m·K.

Insulation properties.

Literature

Protecting the Building Envelope Volume 28 (cavity tray, damp proofing, ventilation and cavity closers)

Protecting the Building Envelope Volume 28 (cavity tray, damp proofing, ventilation and cavity closers)

Third party certifications

  • BS 476. : Four hour rated

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