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Sealing Around uPVC Frame for Sliding Doors

Postby clarkemippet » Wed Dec 19, 2018 9:20 am

Hi all,

We have a leak through a sliding lounge door, floor getting wet in the corners.

I've now re-sealed around the frame perimeter and underneath the sill, the leak has now improved but not gone.

The last area I can see is below the frame where shown, between frame and top of sill.

I read somewhere that this should be left open for drainage, but looking at the drain holes in the same picture, I'm thinking sealing this gap up would be OK?

It's the only place left I can think the water is entering.

Any help greatly appreciated.
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