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We've got a single storey extension with pitched roof at the back of the house that turns out, wasn't built very well. I'm planning on de-roofing it in the spring to sort out stuff that can only be done with the tiles, lining etc out of the way. While planning for that I got a bit curious and started measuring...
The tiles on the roof have a minimum pitch specified by the manufacturer of 30 degrees. The minimum headlap is 100mm.
In reality, the roof has a pitch of 20 degrees, with tile headlap of about 50mm. It's only small, so for less than £300 I could buy (and have delivered) enough tiles to redo the whole lot with the correct headlap and a tile that is supposed to work down to 15 degrees.
It's basically no more hassle, as we'll be removing and refitting the battens and tiles anyway, so is it worth the extra expense to fit something that is actually 'within spec'?
Also, should building control have approved it?! I've heard of other people being told to remove all the tiles and retile it with tiles that are suitable for the lower pitch.
so is it worth the extra expense to fit something that is actually 'within spec'?
Yup, do it right
Yes and double felt with a low pitch too
I would do it myself. In fact I will do mine in the summer.
Building control don't need to be involved with a re-cover of existing roof that has no alrerations or additions.
Do it right though. Leaks are a pain in the arris.
Building control don't need to be involved with a re-cover of existing roof that has no alrerations or additions.
How sure are you on that? Looking around I think it wouldn't need planning permission but we would need building control sign off.
Building Control didn't used to be involved in re-roofing but they are now.
Which is annoying because I need to pay building control to come out and check my fix of the sh**y roof that building control signed off in the first place!
worth a phone call to ask or wing it, while you've got the roof off check the insulation level.
[url= https://www.planningportal.co.uk/info/200130/common_projects/47/roof/4 ]https://www.planningportal.co.uk/info/200130/common_projects/47/roof/4[/url] or check your local council site
just fix the roof. You already have the roof signed off 😛
check the insulation level.
It's a long (and unpleasant) story, but the massive holes the builders left in the wall meant that the insulation is, ahem, soiled. *Squeak* 😐
So that's all being replaced. It'll be at least 270mm deep when replaced.
Council website says it's notifiable for building control, I'll give them a call to double check and find out about the process.
just fix the roof. You already have the roof signed off
Hah, there is that! 😀
If you involve Building Control they will probably want the roof void ventilated. And not by the massive holes left by the builders 😉
Don't double felt it. Me personally, I'd just get it done. If anything came of it you could get it retrospectively passed.
You may be ok with the tiles you have. I have designed extensions before where the client wanted to match the existing roof tiles but couldn't achieve the minimum pitch. Some tiles have a below pitch spec that allows you to go lower. Sometimes it's as simple a doubling up on the tyvec and taping the joints. Check with the manufacturer before buying any more.
Had ours done last year 22 degree pitch, Building control insisted on easy-slate.
http://www.permavent.co.uk/easy-slate/
due to the low pitch.
it added £2500 to the cost of the roof #nothappy
Had ours done last year 22 degree pitch, Building control insisted on easy-slate.http://www.permavent.co.uk/easy-slate/ /p>
due to the low pitch.
it added £2500 to the cost of the roof #nothappy
What a load of tosh, just use the right materials for the right pitch...
Check the rafters as well, if they've skimped on the tiles.....will the rafters take the increased Load?
Building Control
What a load of tosh
Yes, this is my experience of them too.
