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Intumastic Soft Joint
Application

Intumastic Soft Joint has been specifically designed for high movement fast fit curtain wall, slab-edge and vertical cladding fire seals. The system requires no fixings for horizontal gaps up to 200 mm, subject to surrounding substrates. The system is suitable for horizontal and vertical applications.

Description

A two-part system (slab and coating), comprising a strand and binder orientated rock fibre compressible slab with a modified polymeric ablative coating, providing a fire and smoke seal.

Features and benefits:

  • Tested at Exova BM Trada to BS EN 1366-4.
  • Fully tested for up to 240 minutes' integrity and insulation.
  • 30% overall movement capability.

Applications:

Intumastic Soft Joint has been specifically designed for high movement fast fit curtain wall, slab-edge and vertical cladding fire seals. The system requires no fixings for horizontal gaps up to 200 mm, subject to surrounding substrates. The system is suitable for horizontal and vertical applications.

General information
Material

Board: Strand and binder orientated rock fibre

Intumescent coating: Modified polymeric ablative coating (up to 3 mm thick)

Uniclass 2015
Pr_25_80_81_51 Mineral wool fire-stoppingPrimary
CAWS

P12/41 Mineral wool rigid batts - ablative coated

Specification data - Mineral wool fire-stopping
Product Reference

Intumastic Soft Joint

Standard product features

Material:

  • Board: Strand and binder orientated rock fibre.
  • Intumescent coating: Modified polymeric ablative coating (up to 3 mm thick).

Size (w x l x d):

100 x 1200 x 250 mm (can be cut to suit cavity requirements).

Density:

64 kg/m³.

Maximum openings:

240 mm.

Performance:

  • Fire resistance: Up to four hours' integrity and insulation.
  • Acoustic rating: Up to 46 dB (cavity wall) limited by substrate.

Third party certifications
  • Certificate: CF 578
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