NBS Source
List your products
Description

Lengths of low resin, non-combustible, Rockwool mineral wool, sleeved in 50 micron polythene for on-site weather protection.

Used to restrict the spread of smoke and flames within external masonry and timber frame walls and to minimise the effect of flanking noise pollution at wall junctions.

Features:

  • Four hours fire integrity - Warrington Fire Research test.
  • Polythene encapsulated cavity stop sock.
  • Available in standard widths of 65, 90, 100 mm and special cavity widths are available on request.
  • Meets the requirements of the Robust Detail, Part B and NHBC Standards.
  • TCB (flanged stopsock) also available for timber frame applications.

Satisfies NHBC requirements. Complies with all relevant Building Regulations. Non-combustible to BS 476 part 7 1987. Class O fire rating.

General information
Features

Four hours fire integrity - Warrington Fire Research test

Polythene encapsulated cavity stop sock

Available in standard widths of 65, 90, 100 mm and special cavity widths are available on request

Meets the requirements of the Robust Detail, Part B and NHBC Standards

TCB (flanged stopsock) also available for timber frame applications

Satisfies NHBC requirements. Complies with all relevant Building Regulations. Non-combustible to BS 476 part 7 1987. Class O fire rating

Uniclass 2015
Pr_25_57_21_66 Preformed cavity traysPrimary
CAWS

F30/370 Preformed cavity trays

F30/56 Preformed cavity trays

Specification data - Preformed cavity trays
Product Reference

ACSS50

50 mm cavity, 65 x 65 x 1200 mm, fire rated.

ACSS75

75 mm cavity, 90 x 75 x 1200 mm, fire rated.

ACSS85

85 mm cavity, 100 x 100 x 1200 mm, fire rated.

ACSS90

90 mm cavity, 105 x 120 x 1200 mm, fire rated.

ACSS100

100 mm cavity, 120 x 100 x 1200 mm, fire rated.

ACSS115

115 mm cavity, 130 x 100 x 1200 mm, fire rated.

ACSS125

125 mm cavity, 140 x 100 x 1200 mm, fire rated.

Standard product features

Thermal conductivity:

0.037 W/m·K.

Similar products from Timloc Building Products