there's also no load on them.
i have noticed the join in the steel sections is resting on the purlin support masonry pyramid.
unlike shy.
Loft Conversion
- Thread starter Duzzer
- Start date
there's also no load on them.
i have noticed the join in the steel sections is resting on the purlin support masonry pyramid.
unlike shy.
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Jerry M not sure about the question on the insulation. It's 75mm thick and it's directly onto roof felt then hardboard nailed on to it then taped gaps with foil tape. That part is just made for storage. The main room gonna use kingspan. Under the floor there has been chicken wire over the joists and then insulation on top before the chipboard flooring is put in place.
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Duzzer,
might be worth checking the insulation detail out with BCO. i'm not 100% on this but believe there should be a 50mm air gap between the felt and the insulation over the roof slope. the idea being that air can flow over the insulation and minimise condensation. what i'm not sure on is how it passes through/around the ridge board though.
might be worth checking the insulation detail out with BCO. i'm not 100% on this but believe there should be a 50mm air gap between the felt and the insulation over the roof slope. the idea being that air can flow over the insulation and minimise condensation. what i'm not sure on is how it passes through/around the ridge board though.
The 50mm gap is on the cold side e.g. between the back of the insulation and the tiles. If you're short on depth, look at Tri ISO 10.
I think my rafters are 5x2" - the Building Inspector suggested that I insulated the roof with Tri ISO 10 attached with battens on the face of the rafters (the inside) so that the gap would be deep enough to meet Building Regs.
Looking at your photos you'll need to remove the insulation if you're going for BR (based on my limited reading of the regs and talking to the Building Inspector).
Looking at your photos you'll need to remove the insulation if you're going for BR (based on my limited reading of the regs and talking to the Building Inspector).
I know it's a bit late now Duzzer, but there's a place in your (our) neck of the woods that I believe does those 'plastic' beams. They're in Crosby. Although BC don't accept them, even though they're used regularly on the Continent.
On a different tack, I'm looking to do a similar thing, but because space is limited in the loft, I'm going to drop the ceilings.
Can anyone tell me how far I can drop them, and what's the minimum ceiling hight I can leave the existing rooms at. (They're not just bedrooms, but a living room as well, as it's a flat).
On a different tack, I'm looking to do a similar thing, but because space is limited in the loft, I'm going to drop the ceilings.
Can anyone tell me how far I can drop them, and what's the minimum ceiling hight I can leave the existing rooms at. (They're not just bedrooms, but a living room as well, as it's a flat).
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