Tue, 19 Dec 2023 08:57:41 +0000 http://www.greenbuildingforum.co.uk/newforum/ Lussumo Vanilla 1.0.3 http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=128&Focus=1396#Comment_1396 http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=128&Focus=1396#Comment_1396 Fri, 23 Mar 2007 11:29:16 +0000 Julian Timber frame extension, roof trusses at 600 centres, reclaimed concrete double roman 50's, breather membrane.
1. I want to use cloaked verge tiles - it seems sensible to avoid wet verges. But I don't see that many cloaked verges and wondered why? Anyone have any views on them?

2.If I do use cloaked verge tiles could I use 150mm strips of WBP as an undercloak instead of the asbestos/cement type? I would guess there maybe less condesation risk from a piece of WBP than from a cement/asbestos undercloak.

3. Plastic eaves protectors & plastic felt supports - is there an alternative or are they essential? All the plastic fittings are expensive. The existing roof has bitumen felt down over the fascia board - it's been there for years without miles of plastic and without any obvious deterioration.

Thanks
Julian]]> http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=128&Focus=1419#Comment_1419 http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=128&Focus=1419#Comment_1419 Sat, 24 Mar 2007 12:00:32 +0000 richy
WBP has a limited lifespan in wet conditions, it will rot, the glue that bonds it together is waterproof, the core is not, so unless you can paint and maintain every side and edge of it, you will be doomed! I think it would be a really bad idea to use it as undercloaking.
Is condensation an issue outside the building?

Are the plastic eaves protectors you refer to, those black plastic L sections approx 300mm wide? I do think they are reassuring because some roofing felts rot at the edges where it drapes into the gutter and water that has found it's way under the tiles can end up running onto the top edge of the fascia and down the back of it. I often find myself retro fitting 300mm black plastic dpc by sliding it under the damaged felt, when damage to the original felt has occured.]]> http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=128&Focus=1443#Comment_1443 http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=128&Focus=1443#Comment_1443 Sat, 24 Mar 2007 19:42:28 +0000 Julian http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=128&Focus=1465#Comment_1465 http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=128&Focus=1465#Comment_1465 Sun, 25 Mar 2007 19:43:29 +0100 richy http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=128&Focus=1468#Comment_1468 http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=128&Focus=1468#Comment_1468 Sun, 25 Mar 2007 20:15:18 +0100 Julian Have you used cloaked verge tiles? I have found it difficult to get any views about them in this or other forums!]]> http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=128&Focus=1472#Comment_1472 http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=128&Focus=1472#Comment_1472 Sun, 25 Mar 2007 21:34:28 +0100 richy http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=128&Focus=1476#Comment_1476 http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=128&Focus=1476#Comment_1476 Sun, 25 Mar 2007 22:21:27 +0100 Julian http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=128&Focus=1477#Comment_1477 http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=128&Focus=1477#Comment_1477 Sun, 25 Mar 2007 22:34:30 +0100 Mike George
I don't like the look of plastic cloaks but they do resolve these problems]]> http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=128&Focus=1480#Comment_1480 http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=128&Focus=1480#Comment_1480 Mon, 26 Mar 2007 00:48:15 +0100 Julian http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=128&Focus=1502#Comment_1502 http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=128&Focus=1502#Comment_1502 Mon, 26 Mar 2007 16:16:47 +0100 fostertom I hate cloaked tiles - they sort of blur the crisp shadow line at the verge. Especially the cloaked concrete tiles.
How about the traditional timber detail that has a 1" thick verge fascia, its top edge rising up past the edge of the tiles, with a 6" wide capping board fixed to the fascia's top edge, which covers the edge of the tiling by 4" and overhangs the fascia by 1"?]]> http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=128&Focus=1510#Comment_1510 http://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=128&Focus=1510#Comment_1510 Mon, 26 Mar 2007 17:51:24 +0100 Mike George
The plastic ones look just like your picture.

There is also a cheaper version which comes in 5m lengths and is fixed [trapped] under the battens. Looks like a sideways U in section. Tiles are slotted in as they are laid. I don't like these because of their rate of thermal expansion]]>