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https://www.askthetrades.co.uk/cgi-bin/yabb/YaBB.pl DIY Forum >> Building Questions >> Roof tiles https://www.askthetrades.co.uk/cgi-bin/yabb/YaBB.pl?num=1500451613 Message started by TrevorP on Jul 19^th, 2017, 9:06am

Title: Roof tiles
Post by TrevorP on Jul 19^th, 2017, 9:06am

Just cleaned guttering on single story extension, and noticed that most of the concrete tiles had a large amount of the coarse coating missing, showing areas of bear concrete.
My question is....is this ok as I thought that concrete was porous and worried that in time would leak through. Is there something I could perhaps spray on to water proof?

Did take a pic but kept getting "file to big" from album!

Any suggestions would be helpful.

Title: Re: Roof tiles
Post by woodsmith on Jul 19^th, 2017, 9:19am

As long as the tiles are sound I wouldn't worry, the coating is more decorative than water resistant. I photo would be good though if you can reduce the image size.

Title: Re: Roof tiles
Post by TrevorP on Jul 19^th, 2017, 2:46pm

Wondered what that was for, after abit of trial and error have loaded pic, to show state they are in.
Thanks for reply

[gallery fullsize]TrevorP/1500471620.jpg[/gallery]

Title: Re: Roof tiles
Post by woodsmith on Jul 20^th, 2017, 8:24am

That doesn't look too bad, a bit unsightly but not a problem as such. Definitely don't coat or treat them with anything. Also these tiles are probably a lot more brittle than when they were new so you need to avoid walking on them if at all possible.

Title: Re: Roof tiles
Post by TrevorP on Jul 20^th, 2017, 9:39pm

Oops already done that as cleaned moss of the ridge tiles. But see your point, will keep off in future. Glad you think ok so will leave and forget.
Thanks for advise.

Title: Re: Roof tiles
Post by CWatters on Aug 1^st, 2017, 4:18pm

One of the down sides of concrete roof tiles is that they don't look as good as they age. Clay tiles are more expensive but tend to look better as they age.