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Gary Morley

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  1. Gary Morley

    Intumescent air transfer blocks

    Tom Thanks for your reply.
  2. Gary Morley

    Intumescent air transfer blocks

    Hi Hopefully a simple question, I have an odd size aperture for air transfer in a fire door without intumescent block's. The new blocks I can order are all square, Can I cut and fit a block to make up the hole? Regards
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