Cavi 60 MWR 200 Cavity Fire Stop
Description

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

Features:

  • Exposure rating: Very severe.
  • Fire integrity rating: 60 minutes.
  • Reduces direct and flanking transmission noise.
  • Retained in position by compression (10 mm minimum).
  • For horizontal and vertical use in cavities 100–200 mm wide.
  • Suitable for timber frame and traditional constructions.
  • Chlorofluorocarbon (CFC)-free with zero ozone depletion potential (ODP).

General information

Features

Exposure rating: Very severe

Fire integrity rating: 60 minutes

Reduces direct and flanking transmission noise

Retained in position by compression (10 mm minimum)

For horizontal and vertical use in cavities 100–200 mm wide

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Material

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

Uniclass 2015

Pr_35_90_50_64 Plastics cavity closersPrimary

CAWS

F30/18 Cavity closers

F30/180 Cavity closers

Specification data - Plastics cavity closers

Product Reference

Cavi 60 MWR 200 Cavity Fire Stop

Cavity width

Insert requirements; up to 200 mm.

Length

1200 mm

Standard.

Contractor's choice

As drawing ___

Standard product features

Material:

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

Insulation properties:

  • 'K' value of insulation: 0.035 W/m·K.
  • Possible composite thermal resistance path: 2.37 m² K/W.

Colour:

Green sleeve.

Product Options

Length:

1200 mm. Other lengths to special order.

Literature
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