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new workshop - insulation advice needed

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Jo:
When I did mine I used loft insulation. The government were forcing the heating companies to help insulate people's houses and for £3 a huge triple roll of 6" thick stuff, they would deliver it and let you fit it yourself, minimum order was about 8 rolls.... The Insulation was secured to make sure it did not sag and spaced off with 2 by 4s, so 6" of insulation is in a 2" gap.

On the inside I have use the thick flooring grade (= waterproof) chip board. Slides nicely together with out any gaps and also works for ceilings and has the advantage you can stand on it if you must :thumbup:

And for some reason I ordered enough extra insulation so that I could do double layers of insulation above the workshop as well   :coffee:


The only failure in the design is the builder who put the garage up for me did not insulate under the concrete flooring, He thought the tools would bee too heavy :bang:.

Jo

awemawson:
I put 100 mm of expanded polystyrene under mine, with 150 mm of reinforced concrete on top. Actual floor surface is 18 mm OSB3 screwed into the concrete and painted with floor paint.  It's had some heavy loads on it  :thumbup:

picclock:
Pictures of interior. Ceiling is 2.4M high. 16M long and 3M wide on average. Should make a good shop :thumbup:

Thanks for the info

Best Regards

picclock

vintageandclassicrepairs:
Hi,
In recent times there has been a huge increase in the performance of building insulation
High density foil covered slabs are about 4 times "better" than aerobord or glass fibre loft insulation
I would do some research before deciding what to do
The Kingspan website shows a multitude of products, http://www.kingspaninsulation.co.uk/
You need to give consideration the actual construction of the concrete wall, is it solid, cavity block or cavity wall construction
Cavity walls can be "pumped" with insulation, its also likely that you can claim a home energy grant to improve the standard of the entire house /garage ???

John

David Jupp:
Maybe think what might happen in a fire situation.  Personally I'd try to sty clear of Polystyrene.  Other materials better in terms of fumes/smoke evolution and resistance to fire spread.

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