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Intumastic Soft Joint

Third party certifications:
  • Certifire Certificate

    Certificate type

Nullifire

Two-component intumescent slab ideal for high movement, fast-fit curtain wall/ slab edge/ vertical cladding fire seals.

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+44 (0)24 7685 5000 www.nullifire.com
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
Mineral wool fire stopping (Pr_25_80_81_51)Primary
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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