Roof and lining problem and air brick.

Question

Hi, Having water ingress to upstairs box room via an air brick / vent from the roof. Looks like the roof lining material above the air brick is rotten or broken away and water is coming in around or through the tiles onto what seems to be just a tile on top of the air brick cavity hole. It is then soaking into the wall and entering the box room. There are also a couple of small punctures in the roof lining in that are but further back into the loft a little which also leak. It's almost like the tiles are having no effect. The air vent is troubling as it just has a tile as the top of the cavity ( is that normal?). Would we have to take all the tiles off and reline everything on that side of the roof or can just the bottom tiles and lining be replaced?

Stewart · Accepted Answer

Without seeing it's difficult to give an accurate answer.
However I would suggest that you may just need to re-felt the roof line along the front edge. 
Remove tiles and fist batton. 
Cut felt back then renew felt and re build.

Hope this helps Stewart

Danny · Answer

It depends on how far up the roof the felt has rotted, and looking at it is the only solution to solving the problem as to how far you would have to take it back, can you post a picture of the roof etc as that may help. Regards Danny

Karl · Answer

It sounds like the tiles are past their life expectancy. As roof felt is there as a precaution if the tiles leak. A roof with good tiles will not let water in at all. And yes you can replace the bottom few courses of tiles only if you wish.

Jay · Answer

First rap felt installation needed no need to take all roof off quick easy 100% seal

Simion · Answer

Hi. I think yes you have to take all the tiles out and resolve the problem with the leak and then put the new membrane on it and then fit tiles properly

Roof and lining problem and air brick.

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