NBS Source
Cavi 60 MWR 200 Cavity Fire Stop

Application

Suitable for timber frame and traditional constructions.


Description

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


Features and benefits:

  • 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.
  • Chlorofluorocarbon (CFC)-free with zero ozone depletion potential (ODP).

General information

Shape

Rectangle

Color

Green

Material

Wool

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

Size

1200 x 100 x 200 mm

Maximum product size.

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 (effective)

1200 mm.

As standard, other lengths to special order.

Contractor's choice.

As drawing ___.

ThermalConductivity

0.035 W/m·K.

Thermal resistance

2.37 m² K/W.

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)

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