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High pressure expansion sealant

Our high pressure expansion sealant (HPE) is a high pressure exerting, graphite based, intumescent sealant that expands when exposed to fire to protect penetrations, including pipes and cables.
  • £8.23
  • excluding VAT
  • (£9.88 inc. VAT)
Full price: £8.92, saving £0.69
  • 8% less
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  • Product no.
    IAFHPESG


It also maintains the integrity and insulation performance of the seal.The sealant is smoke, gas and air tight.

Under fire conditions the product swells and exerts pressure to the surrounding substrates leading to closure of the penetration. The integrity and insulation is then maintained by the stability of the remaining product char.

The HPE sealant is intended for use in all types of service penetration through walls and floors where fire integrity and insulation needs to be preserved. It has excellent non slump properties coupled with ease of application due to its water based nature.

  • MPN
    AFHPESG
  • EAN
    5060427420206
  • BRAND
    Astroflame
  • Google product category
    Home & Garden > Fire & Gas Safety
  • Tested in lightweight partitions (plasterboard)
  • Suitable for sealing Armaflex insulation. Suitable for use in irregular applications
  • Sealing combustible pipes PVC, HDPE and ABS up to 125mm (2hrs)
  • Smoke, gas, water tight and air tight
  • Fire Classification to EN13501-2
  • Air Permeability to EN1026 - 600Pa ISO 11600