Insulating a 9 inch solid external brick wall.


Postby Converter » Thu Jan 24, 2008 11:38 am

I am planning to convert my part integral garage to living accomodation. I have the design underway and will be applying for building regs soon. The front 8ft of the garage protrudes form the front of the house. The walls at this point are solid 9inch walls with no cavity.

Is there any way that I can "dry line" these without including a cavity so as to keep as much room in the already rather narrow garage as possible. Obviously any suggested solution must comply with the building regs.
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Postby mikester » Thu Jan 24, 2008 6:48 pm

You are likely to need some insulation as well as a DPC (if not already there) also some kind of vapour barrier

I did something similar to this recently. I used 12mm plasterboard with a layer of ecotherm boards (£16 plus vat for 8 x6 ft sheet from jewson) sandwiched between the plasterboard and the brick. Fixed with 100mm screws & plugs.

Building inspector passed it but it was only on one wall.


I would definitaly check with building control first but I believe theres no rule saying that you have to have a cavity for a wall to meet regs.
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