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 Post subject: Insulating a Shed
PostPosted: Thu Aug 10, 2017 7:26 pm 
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Hello peoples of UHM :huray:

Sorry for this "newbie" question. I've never really worked with insulation an' whatnot. Basically, I would like to insulate my shed. How would I do this? :scratch:

I have a ton of Kingspan (assorted sizes) and plasterboard in my garage. Would I need a vapour barrier? I would like the shed to be well insulated.

Basically looking for any advice people can give.

Thanks
James


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 Post subject: Re: Insulating a Shed
PostPosted: Thu Aug 10, 2017 10:27 pm 
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heeelllooo james :welcome: :welcome: :welcome:
outer cladding breathable membrane 15-20mm airgap insulation then internal cladding
anything less than 50mm thickness will be poor level off insulation

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 Post subject: Re: Insulating a Shed
PostPosted: Fri Aug 11, 2017 9:05 am 
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:withstupid:

I agree with big-all!
As you say you have lots of insulation off-cuts, you can improve the insulation layer by creating a 'sandwich' of different thicknesses!

davyp1


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 Post subject: Re: Insulating a Shed
PostPosted: Fri Aug 11, 2017 9:06 am 
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big-all wrote:
heeelllooo james :welcome: :welcome: :welcome:
outer cladding breathable membrane 15-20mm airgap insulation then internal cladding
anything less than 50mm thickness will be poor level off insulation


Thanks! :huray:

Just to clarify, is the breathable membrane stuck directly to the cladding? A few forums I have read have said that the breathable membrane should always go on the hot side of the insulation - is this true?

James


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 Post subject: Re: Insulating a Shed
PostPosted: Fri Aug 11, 2017 11:42 am 
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breathable membrane on the cold side

vapour barrier on the warm side.

In practice for a shed its not really very practical to use a breathable membrane. the easiest thing is to fit the insulation between the studs leaving a gap to the cladding. Then on the inside use foil tape to cover all the celetex joints, go over studs where necessary. If you make the silver a complete cover that will act as your vapour barrier.

Thats assuming your kingspan is PIR insulation with foil face not polystyrene



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 Post subject: Re: Insulating a Shed
PostPosted: Fri Aug 11, 2017 12:02 pm 
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Notch1 wrote:
breathable membrane on the cold side

vapour barrier on the warm side.

In practice for a shed its not really very practical to use a breathable membrane. the easiest thing is to fit the insulation between the studs leaving a gap to the cladding. Then on the inside use foil tape to cover all the celetex joints, go over studs where necessary. If you make the silver a complete cover that will act as your vapour barrier.

Thats assuming your kingspan is PIR insulation with foil face not polystyrene


Thanks! :huray:


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