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  1. C

    Fix for low cavity trays

    Hello, On one side of our extension roof our builders put the cavity trays in too low and tried to dress the lead down on to the tiles. The cavity trays are above the roof line but the flashing is a mess and there are patches with just scratch coat of render. I posted about this in another...
    • csanders
    • Thread
    • cavity tray roof extension
    • Replies: 5
    • Forum: Building
  2. C

    How to fix this flashing.

    Our builders did this messy job of the flashing on our extension. BC said they put cavity trays in too low. Our plans show a 150mm upstand. The other side of the roof was done correctly. Any ideas how this could be fixed?
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