Best place to get polystyrene

Nov 8, 2014
43
8
Wirral, Merseyside
Funster No
34,152
MH
Autotrail Scout
Exp
since 2000
Okay so removed panel boards from ceiling in the Autotrail and shock horror mouldy polystyrene black rotted timbers and black mould on fibreglass. So pulled it all out put supports in to keep the roof up, now need polystyrene insulation 35mm to pack it. Any ideas anyone?
 
Feb 22, 2011
3,070
2,372
Newcastle under Lyme
Funster No
15,397
MH
Hymer B544 A Class
Exp
Since 2015 and in that time I have learnt an awful lot from this site
Needs leak and timber frame repair before any insulation
 
OP
Camshaft
Nov 8, 2014
43
8
Wirral, Merseyside
Funster No
34,152
MH
Autotrail Scout
Exp
since 2000
Oh yeah sorry forgot to say, have replaced timber struts and fixed leaks. To be honest the last time I saw a framework in that state was when they lifted the Mary Rose.
 
Sep 26, 2013
2,217
1,524
Market Rasen
Funster No
28,295
MH
Self Build
Exp
Since 2003
Oh yeah sorry forgot to say, have replaced timber struts and fixed leaks. To be honest the last time I saw a framework in that state was when they lifted the Mary Rose.
I believe that was also made in Grimsby.
 
Oct 29, 2016
1,540
5,049
Camberley, Surrey
Funster No
45,842
MH
Carthago C Tourer T148H
Exp
Ex Tuggers, I year into Mohoing, FLT wannabies
Have you considered replacing polystyrene with Kingspan?
Its available in many thicknesses, its compressed fibre impervious type stuff but with the additional bonus of having foil bonded to it on each side. I would check out the heat retention aspects of each, my money would be on The Kingspan.
Les
 
Dec 12, 2010
2,907
5,234
Cumbria
Funster No
14,651
MH
C Class
Exp
since 2011
Make sure you get the same thickness or slightly thinner, if both the inner and outer skins touch the insulation, it can cause squeaks.
 
OP
Camshaft
Nov 8, 2014
43
8
Wirral, Merseyside
Funster No
34,152
MH
Autotrail Scout
Exp
since 2000
Would consider kingspan I think there is another one as well think it begins with E but quite expensive. I noticed over the door and cupboard areas the original manufacturer must have used loft insulation does anyone think that would need replacing or will just polystyrene suffice?
 
May 23, 2012
3,123
4,778
North West Norfolk
Funster No
21,175
MH
Coachbuilt
Exp
Since Feb 2012
Kingspan makes less mess when cutting compared to polystyrene balls blowing everywhere when it’s cut. Also a better insulation value.
 

Puddleduck

LIFE MEMBER
Jan 15, 2014
9,329
19,534
Scottish Borders
Funster No
29,703
MH
SunLiving Lido M45SP
Exp
On and off for many years.
Would consider kingspan I think there is another one as well think it begins with E but quite expensive. I noticed over the door and cupboard areas the original manufacturer must have used loft insulation does anyone think that would need replacing or will just polystyrene suffice?
Celotex , Ecotherm and Reticel all similar to Kingspan
 
OP
Camshaft
Nov 8, 2014
43
8
Wirral, Merseyside
Funster No
34,152
MH
Autotrail Scout
Exp
since 2000
Okay so sorted the subject of insulation, etc. went to Jewsons and discovered some sheets of polyfoam hibernating in a corner, they were having a refit, took the lot, about 12 sheets, at a bargain price. I have been videoing the job so when I figure out how to transfer from camera to computer you will see what I have been up to!! 10 days on and still with the quote of £6,500 + spurring me on I am getting close to needing those panel boards. Everywhere is bone dry and looking and smelling clean and fresh.
 
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