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Insulation

How to improve insulation and heat levels in detached garage

Anonymous user 28/02/2024 - 4.06 PM

I had my detached garage converted with cell text insulation fitted into the walls and rock wool in the loft. I also had a stud wall to partition it down the middle running in parallel to the garage doors at the front. This has created two long thin rooms. One on the road side which remains quite cold as cold air is getting in around the garage door. I have used expanding foam and weather stripping seals to improve this and have also insulated the door. The other is on the garden side and is warmer as less issues with cold air leakage. But it is still pretty nippy until you get the heaters going and I am wondering if this is because It has a very old and glazed entrance door and quite old patio doors. My objective is to make both rooms warmer and easier to heat up. I am therefore wondering how much benefit there would be in replacing the single entrance door with a modern upvc one? Similarly how much benefit in removing patio doors and bricking in the wall with perhaps some smaller windows? Or is the issue really that it is never going to get that warm given the lack of central heating? And do I therefore have to accept that I need to carry on as I am and just heat it up with my electric and gas heaters at a v high cost in current climate! Finally how much improvement from removing the garage door and replacing with brick wall/windows. I feel like I have done a decent job with the foam in the gaps and home made stud walls have put on the inside. But this room is still noticeably colder than the garden side. Thanks and hope all that makes sense!

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3 Answers

Romeo Llabani Plastering

Rating: 5 out of 5
Northampton
Seems like you’ve done a lot to try to improve the rooms You will definitely improve by removing the garage door, or even build a stud wall behind it with pir insulation boards. This way it can be reverted back to a garage should you need to. The new upvc units will help too Also, if the floor hasn’t been insulated this may be something in the future to tackle too. Hope this helps
Answered24 March 2023
4

Anonymous user

Change window and door for decent double glazing. Bricking up garage door would definitely improve heat retention.you could put a stud wall behind it and insulate that with 100mm pir board How thick is the insulation, is the building air tight. Did you insulate the stud work. Also the floor should be insulated if an old build
Answered24 March 2023
0

Handyman Portsmouth

Rating: 5 out of 5
Havant
yep, studwall behind garage door, 4x2 timbers celotex in between timbers, then perhaps 25mm celetex over the top ,then plasterboard,yep,also floating floor if it fits ,50mm celotex covering floor 18mm chipboard flooring on top,i think its all covered by previous builders, good luck
Answered12 April 2023
0