B&Q triple roll loft insulation 200mm £2.50 from FRIDAY 19th - HotUKDeals
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B&Q triple roll loft insulation @ 200mm thick and covers 5.4sq mtr.

Currently £5.00 but going down to £2.50 over the long weekend. Extremely cheap way of insulating your home, or even garage etc.

Cheapest ive seen this was £3.00 quite a while ago.

Instore only as cant find on the web.
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bigweapon07 Avatar
6y, 6m agoFound 6 years, 6 months ago
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Comments/page:
#1
excellent deal where did u find this one then
#2
Thanks, been thinking of putting an extra layer in and you've now tipped the scales.
#3
Wear a mask when you put this stuff in your loft.
#4
i think the timber yard (red, yellow writing) builders yards are selling this now for £2 a roll...i've been told, checking it out tomorrow!
#5
oops, i mean build centre! npower £2 a roll + free delivery option is available: -

http://www.npower.com/web/diyloftinsulation/index.htm
#6
anyone know if this is better than the rockwool stuff?

nevermind, this has more length per roll than the rockwool ones :D
#7
Max-Power
anyone know if this is better than the rockwool stuff?

nevermind, this has more length per roll than the rockwool ones :D


You were right when you said Build Centre deal...

You should put 270mm so 100mm along and then 170 cross layered - where does 200mm come into it?
#8
200mm is the usual depth of the joists.
#9
Thanks,
#10
Max-Power
anyone know if this is better than the rockwool stuff?

:D


Also interested to know this. I had some of the Wickes stuff on Sunday, 3 rolls of 100mm for £30.
#11
is the NPower deal been put on here? should be hotter than this one!
#12
Gambler
Also interested to know this. I had some of the Wickes stuff on Sunday, 3 rolls of 100mm for £30.


LOL 3 rolls for £30. I got the whole house and more - 21 rolls (170mm&100mm) for less than £25 delivered!

Ask yourself, do they put B&Q insulation in new builds or Rockwool..... Come on seriously just go to Npower site or Build Centre for the better deal.
#13
mugglesquop
is the NPower deal been put on here? should be hotter than this one!


It is on here, not £1 a roll now so new listing shows it as £2 per roll... will get link

INFO: you don't have to be on benefits, npower customer e.t.c- basically anyone private can get it.

http://www.hotukdeals.com/item/607101/diy-rockwool-loft-insulation-2-per-
#14
mbertouche
200mm is the usual depth of the joists.


Usual depth of which joists? The majority of houses do not have joist depth of 200mm! And if they did I think you will find they are already insulated.
#15
What's the dimensions of the roll?

The npower deal looks good but I want to floor my loft and have more that 100m2
#16
What happens if you want to board out the loaft I assume that you can not do the cross layer of insulation ?
#17
:x:x I have to say that the n power deal is a far better deal as you are getting a far superior insulation( Rockwool). ok it might be less meterage in a pack but what do you think happens to insulation that as been crushed to bits to form a small diameter roll it wont probably recover to its advertised thickness!!! so you may need more to get the required thickness. Please don`t be fooled.:p
#18
mrgentry
What happens if you want to board out the loaft I assume that you can not do the cross layer of insulation ?


I personally boarded with chipboard that had insulation fitted to it. This was from B&Q but I think they are trying (or have) to stop this line as it doesn't sell well and WAS very overpriced. You would do 100mm and then put space boards across joists. Double them up to get the same R value as 270mm insulation.
#19
I go up into lofts as part of my job and most council houses theses days have a really thick layer of insulation completely covering the joists making it impossible to actually get up safely and walk around. Also I always wear a mask as I cant stand the fibres from the stuff.
#20
mrgentry
What happens if you want to board out the loaft I assume that you can not do the cross layer of insulation ?


bargainhunter666
I personally boarded with chipboard that had insulation fitted to it. This was from B&Q but I think they are trying (or have) to stop this line as it doesn't sell well and WAS very overpriced. You would do 100mm and then put space boards across joists. Double them up to get the same R value as 270mm insulation.


the idea is you lay the insulation running down between the joists.
#21
mugglesquop
the idea is you lay the insulation running down between the joists.


NO it isn't!!!!! The idea is that you lay 100mm between the joists AND then 170mm cross layered. You keep all electrical wires above the insulation and well away from certain light fittings.
#22
bargainhunter666
NO it isn't!!!!! The idea is that you lay 100mm between the joists AND then 170mm cross layered. You keep all electrical wires above the insulation and well away from certain light fittings.


That's correct but if you want to be able to walk around in your loft you're screwed because it isnt possible - you wont know where the joists are!
#23
mccririck
That's correct but if you want to be able to walk around in your loft you're screwed because it isnt possible - you wont know where the joists are!


Correct, that is why you do what I suggested above this post.

Similar to this http://www.knaufinsulation.co.uk/press_releases/knaufs_super_deck_-_loft_deck.aspx

OR this
http://www.space-insulation.com/board.html BUT this is very expensive and over priced. It was Half price at Focus but I think that has finished.

When pricing up, just think that the screws cost £12 for pack of 100!
#24
I hope this helps and that I have got this right!!

B&Q 200mm thick (depth) covers 5.4 sq mtr cost £2.50 per roll

Npower 170mm thick (depth) covers 3.36 sq mtr cost £2 per roll

therefore

B&Q = £0.463p per sq mtr
NPower = £0.595p per sq mtr

also that the B&Q is thicker
#25
I think the nPower stuff is better quality though, I havent looked up the specific values of each insulation but sure it's better.

However the nPower rolls are 1200mm wide meaning they would have to be cut to size, my joists have a 400 gap meaning I would have to cut up 30 odd rolls into 3!

Not sure the dimensions of the B&Q stuff, does anyone know?
#26
Solero
I think the nPower stuff is better quality though, I havent looked up the specific values of each insulation but sure it's better.

However the nPower rolls are 1200mm wide meaning they would have to be cut to size, my joists have a 400 gap meaning I would have to cut up 30 odd rolls into 3!

Not sure the dimensions of the B&Q stuff, does anyone know?


You are right and to cut them you just leave the wrapper on and put your normal saw through it - takes a few seconds. Let's think Rockwool or B&Q.....

Plus B&Q will charge for delivery of an inferior product.
#27
Thanks, wasnt sure how I would go about cutting it, that sounds reasonbly simple

I was looking at £450 to insulate using the Knauf Space Wool stuff, now it's going to under £100!
#28
Hi there,

I want to order thr rockwool insulation from npower. I know how much i need thanks to the calculator, but when going onto the builder centre site, which one do I choose? Apparently, I need 13 of the 100mm ones and 22 rolls of the 170mm stuff.
thanks in advance
#29
Teterow
Hi there,

I want to order thr rockwool insulation from npower. I know how much i need thanks to the calculator, but when going onto the builder centre site, which one do I choose? Apparently, I need 13 of the 100mm ones and 22 rolls of the 170mm stuff.
thanks in advance


You worked out how much you need by measuring left to right and up and down i.e. 5m * 3m would be 15m2 needed. You lay 100mm first between the joists and then 170mm cross layered (on top of all 100mm and across the joists) . Obviously you can't stand on it when cross layered. Allways use crawl boards ideally over at least three joists while doing it. If you did your measurements correctly then order what the calculator advises - the rolls cover different m2, that is why different qty for different size.
#30
just been offered a deal by nationwide energy allegedly giving me a gov. grant to insulate my loft .they are quoting me a £149 and this is after the gov. pays 70 or 80 %. what do you reckon is someone getting rich off this . 48 sq mtr loft at the prices on here dont add up to anywhere near the grant aided price they are quoting.
#31
I reakon 18 rolls will give you 400mm of insulation at a cost of £54 if the £3 deal is still on. Govt grants lol, robbin sods are these companies

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