MasterFlame B 302 - Pre-coated firestop board
What is MasterFlame B 302?
MasterFlame B 302 is a pre-coated firestop board
which consists of a stone fibre core (density
>140kg/m³) coated with MasterFlame C 3000 on
At normal temperatures, the MasterFlame B 302
installed with MasterFlame JS 110 remains
flexible to permit thermal and mechanical
movement of the services. Both products are
unaffected by oil, fungus, moisture and contain no
halogens or asbestos.
What is MasterFlame B 302 used for?
MasterFlame B 302 pre-coated firestop boards
are designed to prevent the passage of fire and
smoke between compartment walls and floors built
from masonry, composite partition or plasterboard
whilst still allowing the installation of services.
MasterFlame B 302 is tested to EN1366-3 giving
a fire resistance and smoke barrier for up to 120
What are the benefits of MasterFlame B 302?
• Fire resistance tested in flexible walls, rigid
walls and floors.
• Suitable for indoor use without additional
• Easy to use fibre free sealant.
• MasterFlame B 302 standard 50mm
thickness board gives 2 hours fire and smoke
barrier and up to 2 hours insulation.
• Suitable for large openings in walls and floors
with additional supports.