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InteriorInterior
FireMastic 300
Description

Flexible fire and acoustic rated acrylic intumescent sealant. Suitable for sealing joints, linear gaps and service penetrations. This 5 hour fire rated sealant offers the best fire rating of all acrylic and PU sealants on the market, offering maximum protection from fire and smoke in both integrity and insulation.

With an FRL of up to -/300/300, FireMastic-300 is unrivalled

As an acrylic emulsion, FireMastic-300 is simple to use and cleans up easily in water.

Key Features
  • 5 hours industry leading mastic offering up to FRL of -/300/300
  • Acoustic reduction up to 67dB
  • Used for sealing linear gaps and around service penetrations such as ducts, dampers, cables and metallic pipes
  • Certified for use in concrete, plasterboard, masonry, AAC, Hebel, Speedpanel, Korok, AFS, Shaftliner, Dincel and timber installations
  • Highly flexible, up to 40% movement
  • High yield so installation material costs and labour are both decreased
  • Gap widths up to 50mm
  • Available in standard colours of grey and white, other colours available upon request
  • Widely adaptable to seal around other passive fire products such as dampers, pillows, collars and batts
  • Can be painted once cured
Scope of Use

FireMastic-300 is ideal for the following fire rating applications:

  • Linear gaps seals in plasterboard and dry wall linings
  • Sealing and filling joints in fire rated partition walls and joints
  • Sealing of low movement construction joints
  • Sealing the perimeter of intumescent dampers
  • Secondary sealing around penetration services
  • Areas requiring acoustic barriers or sound reduction
  • Internal use only
Statement of Building Code Compliance
  • Approved to AS1530.4(2014), AS4072.1 and BS EN1366
Other Performance Attributes

FireMastic-300 is approved to AS1530.4:2005 (Report No FAR3463), offering up to -/300/300 FRL

Documents
Data Sheet

A leading supplier of building materials to the commercial industry-including ceiling panels, aluminium partitioning, acoustic and thermal insulation, whiteboards and passive fire solutions.

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