Silverflame non-setting Fire Putty

Silverflame non-setting Fire Putty

NS Fire® Putty is a solvent free putty for fire barriers up to 4 hours. It is designed as a joint filler and sealer for use in penetration seals. Tested to EN1366-3 on C1, C2 and D1 Type Cables, Cable Trays and Metallic Pipes.

NS Fire® Putty is designed to remain flexible allowing for thermal and mechanical movement of services around complex and irregular shapes through walls or floors.


Product Code MS07

31 in stock

Next day delivery available


  • Fire resistance testing to EN 1366-3 EI 120, and BS 476 240mins.
  • Fire Classification to EN 13501-2.
  • Certifire 3rd Party Accreditation CF 515.
  • Acoustic Isolation to EN 10140 to 65dB.
  • Tested in Block Wall, Concrete, Masonary and Plasterboard Partition.
  • Tested in Concrete Floors.
  • Tested in large service openings up to 250 x 150mm.
  • Tested with Metalic Pipes, Cables, Cable Bunches, Cable Trays and Cable Ladders.
  • Causes no known effects to plastic pipes, plastic cables, sheathing or metallic components.
  • Contributes to Green Building.
  • Non-setting compound.
  • Highly flexible and water resistant.
  • Halogen free, resists fungi and vermin.
  • Shelf Life 60 months.

No downloads available for this product.