Leak from bottom of astragal bar in outward opening uPVC French door

15 Feb 2012
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United Kingdom

We have an outward opening uPVC French door that has a leak from the bottom end cap of the bar between doors. The drainage in the frame seems to be working fine and there's very little in there even after a heavy day like today!

Any ideas what I should be looking for which might be causing ingress? Imo the fact the frame has little water in makes me think the door seals are pretty good, is there any part of the door I should be checking to see whether a seal has perished or some silicone needs renewing?

Thanks for taking your time to read my post!
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