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NORfast is a revolutionary retro-fit seal.

Using dual air pocket technology, NORfast effectively creates a seal between the door and the stop, which boosts the acoustic performance of the door by up to 42dB.

NORfast provides excellent fire and smoke sealing, in accordance with BS 476 Part 31:1 and BS 476 Part 20:22.

Designed to include a PVC-housed intumescent strip, NORfast is capable of expanding or swelling (intumescing) under extreme heat, which provides a greater seal in the event of fire.

The recommended gap tolerance is 3mm - 4mm.

Screen colour may differ from actual product colour. All technical information is given as guidance only.

Benefits

  • Sound reduction
  • Protects against smoke
  • Protects against fire
  • Acoustically tested to BS EN 140:3
  • BS476 pt 20:22
  • Durable material
  • Easy fit
  • Easy cut
  • Material PVC/Intumescent
  • Size 10mm(h) x 21mm(w)
  • Length 2100mm
  • Fixing Self-adhesive
  • Colour Brown, grey, white, black
Would I require a separate smoke seal if I use the NORfast?
No. Since the NORfast is a continuous acoustic seal it acts as a smoke seal, better in some ways than standard intumescent smoke seals.
What size rout does the seal fit into?
The NORfast doesn‘t need a rout as it uses self adhesive on its base to adhere straight to the frame.
Can I use the NORfast on latched doorsets?
Yes, due to the fitment position of this seal, it is unaffected by door furniture.
What's that tagged onto the side of the NORfast? It looks like there's an intumescent strip attached to a NOR710!
Absolutely correct! Not only does the NORfast have all the acoustic and smoke sealing, along with the draught excluding of a NOR710, it also carries with it a strip of our intumescent seal, adding Fire Protection to an already great product.
Colour Code
Brown NORFAST/B-5PK
Black NORFAST/BK-5PK
Grey NORFAST/G-5PK
White NORFAST/W-5PK