I meant the lats on which the tiles are hung. But in fact you're right - assuming your final roofing lat is at the top of the lowest row of tiles, you'll be fixing to the rafters, butting up to the lat.Thanks Richard, probably the way I,d have done it. Lats I presume are the existing roof joists?
Murdo
I meant the lats on which the tiles are hung. But in fact you're right - assuming your final roofing lat is at the top of the lowest row of tiles, you'll be fixing to the rafters, butting up to the lat.
If the OSB strip lands on (and is fixed to) the flat roof, there is no point lower than the flat roof surface, for water to pool in. If you were bothered you could run a bead of mastic.Do you tend to mitre the edge of the osb so that you don't create a step in the felt where water might pool?
If the OSB strip lands on (and is fixed to) the flat roof, there is no point lower than the flat roof surface, for water to pool in. If you were bothered you could run a bead of mastic.
Did you miss the bit where I said "replace tiles"? I'm not sure where you think water is going to pool. The OSB buts (butts?) up to the lat(h). The OSB is thinner than the lat(h).I mean at the top of your OSB, assuming you've slid it under the existing roofing felt so that it buts up against the latttt?
In a world where the felt is there for a reason, so presumably the water is running down the roof on top of the felt because of a broken tile further up the roof, then under the final latt, because latts are on top of felt, then in to the OSB. I'd cut that part of the OSB at 45 degrees to give it a chance to get up on top of the EPDM. If you put the OSB on top of the felt then it's irrelevant - depends how resilient you want the roof to be if a tile fails.I'm not sure where you think water is going to pool.
Pretty much what I did, except I butted what they're calling the lay board up to the lath.
Yes, I would, as that's the correct way to do it. It does remove the small risk that garyo identified.Thanks for ll your help, i think I,ve got the detail from freddymercurystwin!
Murdo
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