Boss Firemastic 300 Cartridge 300ml X12 BOSS300
The BOSS 5 Hour Fire Sealant offers the best fire rating of all acrylic sealants.
FRL of -/300/300 for most applications.
It is intumescent, which means it’s more efficient and requires half the volume of sealant than most other
brands to achieve the required FRL.
As an acrylic emulsion, FireMastic-300 is simple to use and cleans up easily in water.
Other Key Features are:
- 5 hours industry-best mastic offeringFRL of -/300/300
- Acoustic reduction up to 65dB
- Used for sealing linear gaps and around ducts, dampers, cables and metallic pipes
- Suited to plasterboard, masonry, Hebel, Speedpanel and timber wall installations
- Approved to AS1530.4(2005), AS4072.1 and EN1366
- Highly flexible, up to 40% movement
- High yield so installation material costs and labour are both decreased
- 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 and cable & pipe penetrations
- Can be painted once cured