Shallow pitch roof – roofing/window options
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Hi,
I am currently planning an extension to the rear of my property. What I had planned was a lean to roof with a number of velux windows to let light in (needs all the light I can get as its North facing). However the pitch of the roof is coming in well below 22degrees which means I will have to go for something like Nordman tiles and also, depending on a few other factors such as the use of steel or concrete lintels to support the outer walls, the pitch of the roof may end up below the necessary 15 degrees for Velux windows. Has anyone used Nordman/other shallow pitch roofing products and if so what did they finish up looking like? Also did anyone use anything other than Velux to let light in (I know velux do have a flat roofing system) and if so could they recommend them. I am conscious of cost and know that anything bespoke can cost quite a lot, particularly in glazing so if you could give an indication of whether any solution is expensive that would be great,
thanks
Jack
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I’m almost finished a similar extension, which had a lower than usual pitch as well, but it was a conventional pitched roof. We have been able to use two Velux windows, but the bulk of our natural light is coming from a glazed section over 2 French doors and adjacent windows which rises up to the eaves, so the whole wall is effectively glass. It didn’t end up being that expensive.
All we did was put a 100×100 (roughly) steel box section over the doors and windows and put the glazed sections on that. It isn’t big enough to be obtrusive and spoil the effect, but is enough structurally.
Owing to the low pitch we used tiles instead of slates as they were lighter and removed the need to have any collars running across inside to stop the roof spreading. They look fine outside, and avoid spoiling the open airy effect we have inside with no collars. We figured, you’ll spend more time inside enjoying your extension that outside staring at roofing materials!
Conclusion, If you can go for a pitched roof instead, you may get more light in, and there are ways around it being a very low pitch.
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Hi ther,
thanks for the reply, was your pitch less than 22 degrees? If it was did you have any problem getting an architects cert of compliance with building regs? That I suppose is the main reason why we’re considering the Nordman tile/Metrotile options. Did your pitch leave you with the right head height (2.4m?). We were planning lots of glazing as well as the velux windows as it is really dark, but hadnt seen the effect youre talking about, its a nice option, do you have any pics you could post? Hope it all goes well for you,
Jack
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