bassanclan Posted January 3, 2021 Share Posted January 3, 2021 I should have said "firring strips" bloody autocorrect. A tilting fillet is similar, but usually just order one course at the eaves and can cause a sudden change in pitch. A tilting fillet will serve a similar function to the wooden shims you tried, but will still mean the tiles are too flat. A firring strip extends up 4 battens usually which is why I said 400mm and changes the pitch gradually. A rule of thumb I always work to is if I want to gain 1mm eaves height, the firring strip should be at least 8-10mm, but always at least 4 courses to make it gradual. I think firring strips are also known as sprockets. I will try and find a proper technical explanation and drawing link Link to comment Share on other sites More sharing options...
bassanclan Posted January 3, 2021 Share Posted January 3, 2021 So it seems firring strips are a general term for tapered timber. Sprockets are usually sistered to the side of the rafter, but the end result is the same. A better explanation is here: http://www.roofconsult.co.uk/articles/tiling/tips91.htm Link to comment Share on other sites More sharing options...
tonyshouse Posted January 3, 2021 Share Posted January 3, 2021 Yes, a tilting fillet or sprocket Link to comment Share on other sites More sharing options...
joe90 Posted January 3, 2021 Share Posted January 3, 2021 1 hour ago, bassanclan said: firring strips" thats what I described before, but they should go under the felt otherwise the same pooling behind the facia will occur. Link to comment Share on other sites More sharing options...
tonyshouse Posted January 3, 2021 Share Posted January 3, 2021 There should not be any water on the sarking, rarely wind driven snow may be - Link to comment Share on other sites More sharing options...
bassanclan Posted January 3, 2021 Share Posted January 3, 2021 3 hours ago, joe90 said: thats what I described before, but they should go under the felt otherwise the same pooling behind the facia will occur. Yes definitely under the "felt" There's no way to solve the problem quickly easily and correctly! Link to comment Share on other sites More sharing options...
kestrel Posted January 6, 2021 Author Share Posted January 6, 2021 (edited) Thanks for the advice guys. I came across this product which might get me out of having to strip everything and cut down/refit right away https://www.permavent.co.uk/products/plain-easy/ looks very much like a eurocell eaves protector with most of the lip cut off and fitted upside down going to try a couple of runs on the first few courses where the tile pitch is affected and see if it helps buy me some time until the weather improves and i can do a proper job of it. Edited January 6, 2021 by kestrel Link to comment Share on other sites More sharing options...
JFDIY Posted January 6, 2021 Share Posted January 6, 2021 Looks promising, would you use it under first row and on top of first and second to be sure? Still got to support the underfelt to prevent pooling though Link to comment Share on other sites More sharing options...
kestrel Posted January 6, 2021 Author Share Posted January 6, 2021 23 minutes ago, JFDIY said: Still got to support the underfelt to prevent pooling though Yep 23 minutes ago, JFDIY said: Looks promising, would you use it under first row and on top of first and second to be sure? Undecided at the moment. Instructions say to fit the eaves course as normal then fit the protector to the batten for the first full sized tile and each full tile batten thereafter That will ensure the top of the eaves course and the top of first full course above the eaves are covered. Ill do a test fit on the very first batten and see how it affects the eaves tiles then decide 1 Link to comment Share on other sites More sharing options...
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