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    Does new flashing need to be fitted?

    Roofers

    I have a flat roof extension to the rear which has lead flashing where the main house joins the roof of the extension. I am about to have 100mm of external insulation and render fitted. Should new flashing be provided on to the new render, or will the existing flashing still be ok.

    Asked by Grahame on 11th Jan 2021
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    Best Answer

    the maintenance dream team ltd

    "It depends on the quality of the current lead, in all fairness it is best practise to replace the lead.."

    Answered on 13th Jan 2021 - Member since Jan 2021 - report
    Gold Seal Roofing

    "So long as the rendering stops at the flashing it should be ok."

    Answered on 13th Jan 2021 - Member since May 2019 - report
    Kpm roofing services

    "No as the waterproofing to the building will still be in check . I would suggest that the new insulation and render does not go past the lead flashing thou so if you ever have a problem with your flat roof it’s easy to repair or replace . Hope this helps"

    Answered on 13th Jan 2021 - Member since Jan 2019 - report
    Midland Roofing & Construction

    "Depending on how old the existing lead flashing is, see if any splits in it if there is replace with new code 4 lead."

    Answered on 13th Jan 2021 - Member since Nov 2020 - report
    S blenkiron roofing

    "It depends if its a lead flashing and the lead is in good condition you should be fine"

    Answered on 5th Feb 2021 - Member since Nov 2020 - report
    Westwood Roofing&Landscaping

    "Will be fine as long as the new insulation/render finishes above the existing flashing"

    Answered on 13th Feb 2021 - Member since Sep 2020 - report
    Karl Bingham

    "The existing flashing will be sufficient. As the flashing will remain in place and the insulation fitted over the top."

    Answered on 21st Oct 2021 - Member since Jun 2021 - report

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