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EPDM over felt?

Discussion in 'Roofing and Guttering' started by Fasgadh, 6 Mar 2017.

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  1. Fasgadh

    Fasgadh

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    I am re-roofing my leaky garage roof. I have purchased one sheet of EPDM to cover the whole roof (30ft x 13ft). I was going to remove the existing felt roofing prior to glueing the EPDM to the wood but removing the felt has proved an impossible task as the felt had been laid with hot tar. Is there any reason why I cant lay it over the felt,glue it where I can and cover it with stone chippings?
     
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  3. Mw Roofline

    Mw Roofline

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    No you can't do that. Epdm can only be glued to fresh dry timber.
     
  4. Fasgadh

    Fasgadh

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    Thanks for your reply. Why is that? Will it buckle?
     
  5. Mw Roofline

    Mw Roofline

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    It just won't stick. And if you use bonding glue on felt it melts and the gasses bubble up the rubber.
     
  6. Fasgadh

    Fasgadh

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    Thankyou for your reply.
    No sorry, I wasn't going to glue the epdm to the felt, just to lay it over like a tarpaulin. There is a part of the roof that I did expose the wood boarding and I was proposing to use glue there. Then cover the whole roof with stone chippings . Is there any reason the epdm cannot be used this way please.
     
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  8. Mw Roofline

    Mw Roofline

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    No reason why it can't be used as a temporary fix the way you've suggested.
     
  9. Fasgadh

    Fasgadh

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    Fine
    Thanks for your advice...
     
  10. ^woody^

    ^woody^

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    I don't think the OP is planning a temporary fix! He's planning a bodge.
     
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  11. foxhole

    foxhole

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    I sheeted over my flat roof with 12mm ply before epdm.
     
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