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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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How much to insulate 64 sq metres?
A neighbour's flat has no insulation in the roofspace. Their
lease is for 999 years and so the landlord is not going to put any insulation in! My main question to you DIY regulars is: VERY APPROXIMATELY, HOW MUCH WOULD LOFT INSULATION COST TO COVER 64 SQUARE METRES ? Payless and B&Q's websites are impossible to use to find the price of a single roll. And I can't easily work out the true area to be covered because there are joists (is that what they are called?) in the loft. A coupl eof years ago I saw some pink loft insulation which seemed to be made in such a way that it was a lot "friendlier" (less problems with skin and repisration as it as softer and more flexible) than the insulation I saw about 15 years ago. QUESTION: Does this reflect a new minumum standard for loft insulation or have the regulations changed and this is the minumum quality permitted for sale? QUESTION: Would a top floor flat which is occupied 24 hours and heated by gas central heated be likely to recover its costs in a single winter? My neighbour may not stay for two years and doesn't want to spend time and money of it is not worth their effort. Thank you. |
#2
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How much to insulate 64 sq metres?
JS wrote:
VERY APPROXIMATELY, HOW MUCH WOULD LOFT INSULATION COST TO COVER 64 SQUARE METRES ? Depends on how thick you want it... £120 for 100mm perhaps. A coupl eof years ago I saw some pink loft insulation which seemed to be made in such a way that it was a lot "friendlier" (less problems with skin and repisration as it as softer and more flexible) than the insulation I saw about 15 years ago. None of them are nice... rockwool is perhaps a little nicer than the yellow fiberglass. Wickes do that. QUESTION: Does this reflect a new minumum standard for loft insulation or have the regulations changed and this is the minumum quality permitted for sale? There is no "minimum quality permitted for sale" as such... The thinnest stuff usually available (of the soft quited types) these days is 100mm. QUESTION: Would a top floor flat which is occupied 24 hours and heated by gas central heated be likely to recover its costs in a single winter? My neighbour may not stay for two years and doesn't want to spend time and money of it is not worth their effort. It is a law of dimishing returns. Some insulation is massively better than none. So you may find that by adding 100mm the cost is recovered quite quickly. Whether they could do this in a year would depend on circumstances and how much they are spending on gas in the first place. 100mm on its own may yield 10 - 15% savings in gas. Adding another 100mm doubles the cost of installing it (assuming DIY install), and best case will give you half as much in energy savings again. So the payback time for the second 100mm will be double that of the first. One thing that may make a *big* difference to the capital cost however is a grant. These are frequently available for adding insulation to lofts. A quick google turned up: http://www.easington.gov.uk/services/energy/egrants.asp Might be worth checking your own local authority web site. -- Cheers, John. /================================================== ===============\ | Internode Ltd - http://www.internode.co.uk | |-----------------------------------------------------------------| | John Rumm - john(at)internode(dot)co(dot)uk | \================================================= ================/ |
#3
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How much to insulate 64 sq metres?
In article , JS
wrote: A coupl eof years ago I saw some pink loft insulation which seemed to be made in such a way that it was a lot "friendlier" (less problems with skin and repisration as it as softer and more flexible) than the insulation I saw about 15 years ago. I got some in B&Q that was encased in plastic film - orange one side and reflective aluminium the other. Available in a range of thicknesses and very easy to handle. The width should coincide with the gap between joists - so all you need calculate is the length. I paid half the 'standard' price so it's worth checking for offers. -- John Cartmell john@ followed by finnybank.com 0845 006 8822 Qercus magazine FAX +44 (0)8700-519-527 www.finnybank.com Qercus - the best guide to RISC OS computing |
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