Rainwater running down inner side of outside cavity wall


Postby Alvin Wyllie » Thu Jan 31, 2008 10:26 am

Hi, all suggestions gratefully accepted! It appears that rainwater is getting in somewhere at the top of my house and running down the side of two upstairs window frames and down the inner side of the outside wall, causing leaks and destroying wallpaper in both downstairs lounges, directly in line with the edge of the upstairs window frames. I had a new roof fitted 3 years ago and a chap who fits gutters told me this month my gutters are fine and the felt/plastic sheeting on the inside of the new roof is also fine. He resealed round the window frames because he reckoned that was the problem but he was wrong! My house was built around 1922 and faces south. Water comes in mainly when there is strong wind from a southerly direction.

Any ideas????
Alvin Wyllie
Posts: 21
Joined: Thu Jan 31, 2008 9:39 am

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Postby Perry525 » Thu Jan 31, 2008 9:04 pm

This is unfortunately quite common.
The standard of brick laying is not always as good as it should be.
Holes are left between the bricks and mortar.
The rain hits the wall like a bullet and the wind blows it through the wall.
Then the water runs down the inside of the bricks as its intended too.
You need external cladding, avoid render as this always cracks.
Perry525
Posts: 722
Joined: Fri Jul 06, 2007 7:35 pm


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