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Posted 24 February 2023

Evo-Stik Fire Retardant Expanding Foam Filler 700ml - £1.20 @ Jewson

£1.20
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Joined in 2015
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About this deal

Evo-Stik Fire Retardant Expanding Foam Filler 700ml


EVO-STIK Fire Retardant Expanding Foam Filler is a one component polyurethane foam that is self-curing through the absorption of moisture from the atmosphere. It sets to form a semi-rigid structure, which flexes firmly, yet yields to vibration and joint movement. For interior and exterior applications, it is suitable for filling large, irregular or awkward gaps where a fire rating is needed, for filling gaps through fire rated insulation between brickwork and cladding and around ductwork, and for insulating and filling around door and window frames where a fire rating is necessary. The foam has excellent adhesion to wood, brick, stone, concrete, plaster, asbestos, wallboard, hardboard, and metal surfaces. It does not bond polythene, Teflon, silicone and other waxy materials. You must be 18 years old or over to buy this product.

Features & benefits
Forms an airtight seal to prevent transmission of smoke
Fire rated to EN 1366-4
Fills and insulates large or small gaps
Excellent adhesion to most building materials
Jewson More details at Jewson
Community Updates
Edited by a community support team member, 24 February 2023
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17 Comments

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  1. fishz's avatar
    Can expanding foam be used to fill the. gap left from a removed lock on an exterior timber door?
    Argyll68's avatar
    No. Best gluing in a piece of wood.
  2. marboy's avatar
    "it is suitable for filling large, irregular or awkward gaps where a fire rating is needed, for filling gaps through fire rated insulation between brickwork and cladding and around ductwork, and for insulating and filling around door and window frames where a fire rating is necessary "

    Nothing could be further from the truth
    A77's avatar
    Spot on. The changes in Fire Safety Act 2022 and the need for the competent and certified person to undertake fire safety works is why this stuff should not be sold openly or with the claim that it's suitable for large cracks or even filling around doors and windows as that is in incorrect.
  3. DDP_DDP's avatar
    Oos of course
  4. Fishy7wishy's avatar
    OOS
  5. 01484's avatar
    Can these be re-used once opened? Or does it have to be used all at once? Saw a video on YouTube someone saying spray wd40 in nozzle and pipe so it clears the remaining foam and to be reused.
    Argyll68's avatar
    I've never been able to reuse them. I always use the ones that take the gun.
  6. compadre's avatar
    Oos
  7. shug119's avatar
    This was Oos months ago, good price if you can get any.
  8. pixman's avatar
    The only stock in Scotland is at the Fort William branch. Handy if you're local.
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