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Fire door materials mystery

Discussion in 'Windows and Doors' started by wharts02, 21 Jul 2021.

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  1. wharts02

    wharts02

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    Hi,

    I have an old fire door which has been removed and cut up but we are at a lost to what the black metal sheet like material is. The door is made up of wood and some Gyproc wallboards and an extra material. I plan to bag it up and take it to an asbestos tip if i cant identity the material. One person has said they doubt its asbestos as the plasterboard would be acting as the fire resistant material. I know it shouldn't have been broken up :(

    Thanks in advance IMG_6516.jpg IMG_6517.jpg IMG_6518.jpg
     
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  3. conny

    conny

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    It could be some form of intumescent material to slow down/prevent fire spread.
    Maybe putting it in the woodwork or doors and windows section may attract more replies.
     
  4. wharts02

    wharts02

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    Thanks conny
     
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