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Thanks Tony Will the process differ much when I build a timber frame on the external brick wills?

Thanks everyone for their help it really is appreciated, I haven't done all the insulation yet so whats left I will line up with the interior to ensure the void is to the exterior wall for good practice. So the consensus seems to be that there is no real benefit in fitting an internal vapour...

To be honest I'm not sure why I assumed it was in relation to the potential moisture build up? The wall I have built so far is in internal wall within the double garage splitting it in two so felt 50 mm celetex would suffice. I may reconsider for the external walls.

thanks for quick response The insulation is 50mm and the stud wall is built from 93mm x 39mm timber. I am using 12.5mm plasterboard so there should be a void of about 50mm. I went for 50mm instulation as I was told there needed to be an air void inbetween the inner plasterboard and the...

Hi, The insulation is covered in foil both front and back and I have sealed each panel all the way the round with foil tap. So in your opinion will this suffice. This build is not effected by building regs. I have plenty of space in between the insulation and the plasterboard to fit plastic...

I am fitting a moisture / vapour barrier in to the inside of the stud wall of an internal garage conversation after fitting 50mm celetex to the cavity and foil taping it. This is the first time I have done this as I am just a keen DIYer and wondered what method people use to attach the membrane...

Would a plastic sheet do the job, could staple it to the beams before the inner plasterboard goes on? Does somewhere like wicked sell this?

Building regs didn't apply as the area will not be lived in (it's going to be a reptile house) and the building is too small to be affected by building regs.

Hi, I'm converting our double garage into two separate room. The stud wall is built and one side now has plasterboard fitted. I am fitting 5omm celetex and using foil tape to seal it to the back of the cavity and the beams. Do I still need to fit a moisture barrier before I fit the...

Hi I am trying to precision cut lengths of alloy framing and wondered if my mitre saw would do the job? The frame is hollow and only about 20mm wide but the cut must be good. My mitre is a...

I'm building a partition wall in our detached double garage using 89mm x 38mm stud beams. I was planning on fitting 50mm celotex at 400mm intervals. I have heard about having to leave an air gap and also seal it. can anyone please give me some advice on fitting the stuff correctly, I am using...

bump.

whats the bulky alternative? and will it fit in a stud wall made of 38mm x 90 mm timber? Thx Darren

thanks, do you any idea if there are any cost efficient stud wall thermal insulators as celotex is a little out of my price range, its to convert half a double garage in to a room?

The reason I thought it was 600 has a lot of insulation comes in this size

Hi, Simple question, should the upright beams be spaced by 600mm or 400mm? Thx

Hi I am building a partition wall in our detached double garage to house a reptile house. The exterior walls are double skinned up to about 70% of the wall height. I am using 38mm x 89mm timber for the stud wall. We will eventually be putting a door into this area from the exterior of the...

Hi, The room will be used to house a reptile room for breeding chameleons hence the need for good insulation etc. Our garage has two seperate front doors and no side door (we would like to add one in to the partitioned area. If the maximum 30 sqr meters before building regs apply then...

do you need building regs if the garage is not attached to the house? Its about 5 meters away.

So what thickness celotex would you use?