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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Attic insulation, 30 cm rafter spacing
Attic insulation, 30 cm rafter spacing. What would be best way to insulate
with this narrow spacing. Could I use spce blanket streatched over rafters? |
#2
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Attic insulation, 30 cm rafter spacing
Francis Kirby wrote:
Attic insulation, 30 cm rafter spacing. What would be best way to insulate with this narrow spacing. Could I use spce blanket streatched over rafters? I simply read that in the wrong way. It was me, not your post, but I wanted to respond: But the parthenon didn't have insulation. :-) -- Rod Hypothyroidism is a seriously debilitating condition with an insidious onset. Although common it frequently goes undiagnosed. www.thyromind.info www.thyroiduk.org www.altsupportthyroid.org |
#3
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Attic insulation, 30 cm rafter spacing
In article ,
"Francis Kirby" writes: Attic insulation, 30 cm rafter spacing. What would be best way to insulate with this narrow spacing. Could I use spce blanket streatched over rafters? I would get a roll of 100mm insulation (used for topping up), and cut it into several 30cm wide rolls. (This is quite easy with a long kitchen knife -- do it with the roll wrapping still on.) Some rolls come sort of pre-perforated for cutting to certain joist separations. If there's a 30cm pre-perforated one, go for that. Otherwise try to get one which isn't pre- perforated. Having laid this between the joists, then lay another 100mm layer (or more if you want) uncut full width across the top at right angles. The space blanket stuff has been discredited. -- Andrew Gabriel [email address is not usable -- followup in the newsgroup] |
#4
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Attic insulation, 30 cm rafter spacing
On Nov 30, 4:26 pm, wrote:
On 28 Nov, (Andrew Gabriel) wrote: The space blanket stuff has been discredited. Has it? there's nothing wrong with this -- and it doesn't get up your nose and in your throat. Pity it only comes in 370mm, I need 600mm. http://www.space-insulation.com/blanket.html That stuff's fine. It's the stuff that /just/ consists of sheets of metalized polythene that is a waste of time/money. |
#6
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Attic insulation, 30 cm rafter spacing
On Dec 10, 2:42 pm, wrote:
On 28 Nov 2008 23:51:20 GMT, (Andrew Gabriel) wrote: In article , "Francis Kirby" writes: Attic insulation, 30 cm rafter spacing. What would be best way to insulate with this narrow spacing. Could I use spce blanket streatched over rafters? I would get a roll of 100mm insulation (used for topping up), and cut it into several 30cm wide rolls. (This is quite easy with a long kitchen knife -- do it with the roll wrapping still on.) Some rolls come sort of pre-perforated for cutting to certain joist separations. If there's a 30cm pre-perforated one, go for that. Otherwise try to get one which isn't pre- perforated. Having laid this between the joists, then lay another 100mm layer (or more if you want) uncut full width across the top at right angles. The space blanket stuff has been discredited. Thanks for the info. I've changed my news server, hence the delay in responding. I was going to do the roof rafters rather than the floor joists so to speak. How do I keep the insulation in place? That probably makes the solid board (Kingspan, Celotex) a more attractive option. Cut to a friction fit, and just push between the rafters. |
#7
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Attic insulation, 30 cm rafter spacing
Martin Bonner wrote:
On Dec 10, 2:42 pm, wrote: On 28 Nov 2008 23:51:20 GMT, (Andrew Gabriel) wrote: In article , "Francis Kirby" writes: Attic insulation, 30 cm rafter spacing. What would be best way to insulate with this narrow spacing. Could I use spce blanket streatched over rafters? I would get a roll of 100mm insulation (used for topping up), and cut it into several 30cm wide rolls. (This is quite easy with a long kitchen knife -- do it with the roll wrapping still on.) Some rolls come sort of pre-perforated for cutting to certain joist separations. If there's a 30cm pre-perforated one, go for that. Otherwise try to get one which isn't pre- perforated. Having laid this between the joists, then lay another 100mm layer (or more if you want) uncut full width across the top at right angles. The space blanket stuff has been discredited. Thanks for the info. I've changed my news server, hence the delay in responding. I was going to do the roof rafters rather than the floor joists so to speak. How do I keep the insulation in place? That probably makes the solid board (Kingspan, Celotex) a more attractive option. Cut to a friction fit, and just push between the rafters. Or use Rockwool slabs. Cheaper than foam, and just as easy to maintain the 50mm gap under the roof tiles |
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