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How Much Roof Insulation Have you Got?
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Post new topic   Reply to topic    Downsizer Forum Index -> Energy Efficiency and Construction/Major Projects

How much roof insulation have you got?
1 inch or less
7%
 7%  [ 2 ]
2-3 inches
15%
 15%  [ 4 ]
4-5 inches
19%
 19%  [ 5 ]
6-7 inches
15%
 15%  [ 4 ]
8 + inches
30%
 30%  [ 8 ]
I've not got a roof / normal roof!
11%
 11%  [ 3 ]
Total Votes : 26

Author 
 Message
ele



Joined: 05 Sep 2005
Posts: 814
Location: Derby
PostPosted: Wed Nov 02, 05 11:29 am    Post subject: How Much Roof Insulation Have you Got? Reply with quote
    

I think I've measured ours as 3 inches of normal mineral wool type of insulation (1990 conventional house with the original regulation amount at that time, does that sound about right?) I got something pushed through the letterbox about non-means tested grants for insulation in my area and I was wondering about upgrading it and what to...

sean
Downsizer Moderator


Joined: 28 Oct 2004
Posts: 42207
Location: North Devon
PostPosted: Wed Nov 02, 05 11:33 am    Post subject: Reply with quote
    

Dunno. Our bedroom is the attic so unless I rip the plasterboard off I can't find out. The room stays warm and frost stays on the outside of the roof for a fair length of time though, so probably quite a lot.

Jonnyboy



Joined: 29 Oct 2004
Posts: 23956
Location: under some rain.
PostPosted: Wed Nov 02, 05 11:37 am    Post subject: Reply with quote
    

Dunno, it's as deep as the joists though, so I would recon around 8 inches for a new build.

Building control are hot on it, as the guy was up there for a while poking around.

judith



Joined: 16 Dec 2004
Posts: 22789
Location: Montgomeryshire
PostPosted: Wed Nov 02, 05 11:39 am    Post subject: Reply with quote
    

As at Sean's house, our attics have been converted into rooms, so we only have about 3 inches between the plasterboard and the roof. It does a reasonable job, but more would be nice.

The grants are very good value-for-money if your house is suitable. We had our extension cavity wall filled for £200, which I thought was a bargain. The rest of the house is solid stone, so we can't do anything about that - just put on another jumper when it gets cold

Alchemist



Joined: 02 Mar 2005
Posts: 123
Location: Aberdeenshire
PostPosted: Wed Nov 02, 05 11:42 am    Post subject: Reply with quote
    

We've got four inches of glass wool, but it's backed with that bubble-wrap/foil stuff which is supposed to give us the equivalent of another few inches. Was a bit skeptical originally, but it actually seems pretty effective .

crackapple



Joined: 19 Jun 2005
Posts: 204
Location: teeside
PostPosted: Wed Nov 02, 05 11:47 am    Post subject: Reply with quote
    

at my last house i had about 200mm (8") thats because i work for a company that makes polystyrene insulation boards. too warm in the summer but toasty in the winter. this house though only has about 4 inches of fibre that the builders put in.

ele



Joined: 05 Sep 2005
Posts: 814
Location: Derby
PostPosted: Wed Nov 02, 05 11:52 am    Post subject: Reply with quote
    

Jonnyboy wrote:
Dunno, it's as deep as the joists though, so I would recon around 8 inches for a new build.

Building control are hot on it, as the guy was up there for a while poking around.


According to the leaflet I've got the current minimum building regulation amount is 10 inches! not sure if that applies to where you are.

If anyone has got 4 inches or less and are also looking into grants the website appears to be www.heatproject.co.uk

Jonnyboy



Joined: 29 Oct 2004
Posts: 23956
Location: under some rain.
PostPosted: Wed Nov 02, 05 12:03 pm    Post subject: Reply with quote
    

What's two inches amongst friends?

hils



Joined: 08 Mar 2005
Posts: 568
Location: Nottingham
PostPosted: Wed Nov 02, 05 8:57 pm    Post subject: Reply with quote
    

not alot!

Rob R



Joined: 28 Oct 2004
Posts: 31902
Location: York
PostPosted: Wed Nov 02, 05 10:34 pm    Post subject: Reply with quote
    

Same here- there's hardly 2" of roof, let alone insulation

dpack



Joined: 02 Jul 2005
Posts: 45374
Location: yes
PostPosted: Tue Nov 15, 05 12:32 am    Post subject: Reply with quote
    

im not sure til the asbestos men finish . im not kidding

Nanny



Joined: 17 Feb 2005
Posts: 4520
Location: carms in wales
PostPosted: Tue Nov 15, 05 7:54 am    Post subject: Reply with quote
    

do boxes of books count?

if so we have about 3 ft because the entire loft is stacked to the edges with boxes of books

we probably have the most heat efficient loft in the world if that 's accepted

underneath that i have no idea.i don't go in the loft which is where the monster spiders live

Will



Joined: 30 Jun 2005
Posts: 571
Location: Grenoside, Sheffield
PostPosted: Wed Nov 16, 05 9:13 am    Post subject: Reply with quote
    

V. similar to Judith - though I think there may not be very much in the sloping sections. The horizontal sections have about 6 inches.

mochyn



Joined: 21 Dec 2004
Posts: 24585
Location: mid-Wales
PostPosted: Wed Nov 16, 05 9:56 am    Post subject: Reply with quote
    

None: our upstairs rooms are in the roof, and have no ceiling as such. I'm planning to put up ship lap with that sheepy insulating material between it and the roof. One day...

dpack



Joined: 02 Jul 2005
Posts: 45374
Location: yes
PostPosted: Tue Nov 22, 05 6:37 pm    Post subject: Reply with quote
    

not enough

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