FS702 Intumastic Fire Resistant Acrylic Sealant

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FS702 Intumastic is a water based acrylic sealant which cures to give a firm but flexible fire seal. Suitable for use in various construction joints offering up to 30% movement capability whilst providing an excellent acoustic and air seal.

Fire Rating: 240 Minutes


FS702 is suited for use around non-combustible services, cables, rock fibre insulated non-combustible pipes, using a minimum depth of 25 mm. The product has excellent adhesive qualities and can also be used for the bonding and pointing of joints and service penetrations in conjunction with FB750 Intubatt system.

Always read SDS, pre-application guidance and relevant application detail prior to application. Ensure the latest documents are downloaded prior to every project commencement.

Do not use around CPVC pipes ; for this specific application, please use FS719 HP Blue for CPVC.
If used around Pegler X-Press Carbon Steel pipes, the pipe manufacturer should be consulted, and their recommendations followed.

Safety data sheet must be read and understood before use.

  • Up to 4 hours fire resistance - Tested to EN 1366-4, EN 1366-3 and BS 476 Pt 20-22.
  • Up to 30% movement capability (during fire test).
  • Suitable for flexible walls and rigid walls & floors.
  • Used for sealing FB750 Intubatt.
  • Acoustics up to 55 dB.
  • Air tight up to 600 Pa.
  • Optifire┬« and Optifire┬«+ unique traceability identifiers.
FS702 Declaration of Performance (en-GB).pdf Declaration of Performance
FS702 Safety Data Sheet (en-GB).pdf Safety Data Sheets
Nullifire Minimum Distances-Spacing (en-GB).pdf Technical Guidance Document
FS702 Technical Data Sheet (en-GB).pdf TDS
FS702 Technical Drawing Detail (en-GB).pdf Technical Drawing
Nullifire Single Sided Technical Pack (en-GB).pdf Technical Drawing
Nullifire Fire Stopping Range Brochure_May 2024 WEB Ready.pdf Brochure