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£5.64 ex. VAT


Nullifire FS709 Intumastic HP Intumescent Sealant

FS709 Intumastic HP is a graphite based product which when exposed to fire expands protecting penetrations including cables, cable bunches, cable trays, plastic and metallic pipes. FS709 maintains the integrity and insulation performance of the seal through masonry and plasterboard.

FS709 is designed to close off gaps and penetrations in compartment walls and floors, to provide up to 4 hours fire resistance. This product has been formulated to close off plastic pipe penetrations in the event of a fire, negating the need for pipe closers or wrap systems. FS709 is suitable for the following service penetrations up to 125 mm; PVC pipes, ABS pipes, HDPE pipes including Armaflex and glass wool insulation. FS709 can also be used with metallic pipes, cables and cable bunches including telecommunication cables, cable trays and cable ladders.


  • Up to 4 hours fire resistance - Tested to EN 1366-3 and
    EN 1366-4
  • Versatile & easy to apply
  • Can be used with FB750 Intubatt Coated Batt
  • Tested with combustible pipes up to 125mm, insulated non-combustible pipes up to 160 mm, cables, cable trays/ladders/baskets (up to 500mm), cable bundles (up to 100 mm)
  • Tested in openings up to 600 x 600mm
  • Tested for use in linear gaps up to 25mm

Colour: Grey
Packaging: 310 ml cartridges (25 per box)
Necessary Tools: Skeleton/sausage gun, palette knife and spatula.

Health & Safety Precautions:
Safety data sheet must be read and understood before use. 

Data Sheet Information
Product Data Sheet
Safety Data Sheet
DoP Data Sheet

Extra Information