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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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Netting to constrain insulation
I need some type of plastic netting to support and constrain glass
fibre insulation between 225mm joists. To support it before plasterboarding, and to stop it from gettting pushed up too far into the air space used for venting the roof structure. Should be reasonably strong since the insulation may be compressed a little. Probably to be stapled onto timber. Anyone know where I can get some such stuff ? Cheers, Simon. |
#2
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Netting to constrain insulation
"sm_jamieson" wrote in message ... I need some type of plastic netting to support and constrain glass fibre insulation between 225mm joists. To support it before plasterboarding, and to stop it from gettting pushed up too far into the air space used for venting the roof structure. Should be reasonably strong since the insulation may be compressed a little. Probably to be stapled onto timber. Anyone know where I can get some such stuff ? Cheers, Simon. A decent garden centre will sell fruit cage type netting (IIRC 4M wide) by the metre. |
#3
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Netting to constrain insulation
Vortex4 wrote:
"sm_jamieson" wrote in message ... I need some type of plastic netting to support and constrain glass fibre insulation between 225mm joists. To support it before plasterboarding, and to stop it from gettting pushed up too far into the air space used for venting the roof structure. Should be reasonably strong since the insulation may be compressed a little. Probably to be stapled onto timber. Anyone know where I can get some such stuff ? Cheers, Simon. A decent garden centre will sell fruit cage type netting (IIRC 4M wide) by the metre. The same places and possibly ebay too will sell "pea & bean netting" with about 100mm square mesh. Should be cheaper than fruit cage netting and for you application, just as effective. If you are doing other work and have any breathable membrane left over, that can be used too. Bob |
#4
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Netting to constrain insulation
On Jan 26, 1:42*pm, sm_jamieson wrote:
I need some type of plastic netting to support and constrain glass fibre insulation between 225mm joists. To support it before plasterboarding, and to stop it from gettting pushed up too far into the air space used for venting the roof structure. Should be reasonably strong since the insulation may be compressed a little. Probably to be stapled onto timber. Anyone know where I can get some such stuff ? Cheers, Simon. Netlon insulation support netting is the stuff you need. Available by the meter (from a 2m wide roll) from our local builders' merchants. Some online places do it too. About 15p a square metre as far as I remember, or cheaper by the roll. A |
#5
Posted to uk.d-i-y
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Netting to constrain insulation
On 26 Jan, 13:42, sm_jamieson wrote:
I need some type of plastic netting to support and constrain glass fibre insulation between 225mm joists. To support it before plasterboarding, and to stop it from gettting pushed up too far into the air space used for venting the roof structure. Should be reasonably strong since the insulation may be compressed a little. Probably to be stapled onto timber. Anyone know where I can get some such stuff ? Cheers, Simon. Round here is seems they only want to sell rolls of 100m (and screwfix make you buy 2 rolls). Looks like the cheapest way will be to bung up some gaffer tape and a few staples for good measure. Gaps to hold back insulation from are only 400mm x 700mm, a couple of strips will do. Or how about PVC Polythene Jointing Tape, all cheap from screwfix. But - how will any of this last before it breaks down ? It would be under slight tension, and the roofspace may get hot in the summer. Cheers, Simon. |
#6
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Netting to constrain insulation
On Jan 27, 7:13*pm, sm_jamieson wrote:
On 26 Jan, 13:42, sm_jamieson wrote: I need some type of plastic netting to support and constrain glass fibre insulation between 225mm joists. To support it before plasterboarding, and to stop it from gettting pushed up too far into the air space used for venting the roof structure. Should be reasonably strong since the insulation may be compressed a little. Probably to be stapled onto timber. Anyone know where I can get some such stuff ? Cheers, Simon. Round here is seems they only want to sell rolls of 100m (and screwfix make you buy 2 rolls). Looks like the cheapest way will be to bung up some gaffer tape and a few staples for good measure. Gaps to hold back insulation from are only 400mm x 700mm, a couple of strips will do. Or how about *PVC Polythene Jointing Tape, all cheap from screwfix. But - how will any of this last before it breaks down ? It would be under slight tension, and the roofspace may get hot in the summer. Cheers, Simon. you only need to support it till the plasterboard's up. A bit of tape or thin wire should do fine. NT |
#7
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Netting to constrain insulation
On 26 Jan, 13:42, sm_jamieson wrote:
I need some type of plastic netting to support and constrain glass fibre insulation between 225mm joists. Screwfix sell it, designed for just that purpose. The rolls are 100m, which is a bit excessive, and they insist you buy at least two. So it's very cheap per metre, but you're now looking at over 50 quid! They don't sell it at the counters either. Toolstation do a cheap vapour barrier, which is what I used instead. |
#8
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Netting to constrain insulation
On 27 Jan, 21:48, Andy Dingley wrote:
On 26 Jan, 13:42, sm_jamieson wrote: I need some type of plastic netting to support and constrain glass fibre insulation between 225mm joists. Screwfix sell it, designed for just that purpose. The rolls are 100m, which is a bit excessive, and they insist you buy at least two. So it's very cheap per metre, but you're now looking at over 50 quid! They don't sell it at the counters either. Toolstation do a cheap vapour barrier, which is what I used instead. Why do they do that ? Its a right pain. Not many DIYers will want two, tradesmen might though. I'll look at the toolstation vapour barrier. Cheers, Simon. |
#9
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Netting to constrain insulation
On Jan 27, 7:32*pm, sm_jamieson wrote:
On 27 Jan, 21:48, Andy Dingley wrote: On 26 Jan, 13:42, sm_jamieson wrote: I need some type of plastic netting to support and constrain glass fibre insulation between 225mm joists. Screwfix sell it, designed for just that purpose. The rolls are 100m, which is a bit excessive, and they insist you buy at least two. So it's very cheap per metre, but you're now looking at over 50 quid! They don't sell it at the counters either. Toolstation do a cheap vapour barrier, which is what I used instead. Why do they do that ? Its a right pain. Not many DIYers will want two, tradesmen might though. I'll look at the toolstation vapour barrier. Cheers, Simon. Was going to mention.......... make sure you have a vapour barrier on the 'warm' side of that insulation. Otherwise warm and therefore damp laden air from the house permeates out through the insulation and the moisture in it condenses somewhere within the insulation. Making it damp and not very effective as an insulator! Quite apart from potential mould/rot. Unheated areas such as attics above should be cold and vented to/from outside. |
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