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Extending grp roof

Discussion in 'Roofing and Guttering' started by thomp1983, 30 Jul 2021.

  1. thomp1983

    thomp1983

    Joined:
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    United Kingdom
    Hi all,

    We are having a small extension built in front of our garage, the garage has a grp roof is it possible to join the new extension roof into the existing grp roof with a joint that will last long term of should we really be replacing the whole grp roof?

    Thanks
    Chris
     
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  3. oldbutnotdead

    oldbutnotdead

    Joined:
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    Location:
    Durham
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    Yes you can join it. You/whoever will have to grind the topcoat off then wash the exposed clear resin with acetone (to get rid of the dust and open up the resin bond a bit) then start the new bit of laminate on the cleaned old bit. Be careful not to build up too much, you might get ponding behind the join
     
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