Baffling Roof Leak

ACL · Post by **ACL** » Thu Jan 02, 2025 10:45 am

So I've a stone terrace, c1900. Roof has been updated as it has a breathable membrane. I've had the chimney stack re-pointed and new lead flashing/soakers done. Im still getting water leaking into the loft down the wall where the chimney stack is, it drips from the sockets of both purlins. Only happens when I get heavy rain. It's dripping not just soaking through via osmosis.
Any ideas?

dewaltdisney · Post by **dewaltdisney** » Thu Jan 02, 2025 12:11 pm

If possible I would carefully check the flashing above the leak points, it only needs a pinhole or crack to weep through. Do you have any chums with a drone, the cameras are very high definition, it might do the job.

DWD

ACL · Post by **ACL** » Thu Jan 02, 2025 12:24 pm

That's the baffling thing. the flashing is over a few months old. I had it re-done recently. new lead soakers as well.

dewaltdisney · Post by **dewaltdisney** » Thu Jan 02, 2025 12:37 pm

Roof work is always hard to inspect as you need to get up there. Try tracking in the roof with kitchen paper to spot ingress points, it might give you a clue.

DWD

London mike 61 · Post by **London mike 61** » Fri Jan 03, 2025 8:21 am

You could put a chimney pot cowl on top of the chimney and that may solve the problem of water ingress , they are relatively inexpensive and you can fit it yourself if you have access to a ladder and nerves of steel !!

Mike

ACL · Post by **ACL** » Fri Jan 03, 2025 9:50 am

sorry, should have mentioned all the chimneys have been capped and the flaunchings have been done.

fin · Post by **fin** » Fri Jan 03, 2025 2:20 pm

are the chimneys ventilated? its no good just simply capping them off they need ventilation still

are you sure the lead work has been done correctly? ive seen leadwork done by others that has been done badly and ive had to re do it.

ive even known actual roofers to make mistakes on it,