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Please tell me more?

Celotex it is then! :D You've just saved me a few quid there! Thanks Mointainwalker

Thanks guys. I figured that I could do it either way, if I put the kingspan at the top, I could put some battons along the joists to stop it compressing the rockwool. I've also noticed that Kingspan is incredibly expensive, can I use Celotex instead? The thickness i.e. 50mm will be the...

Hi all, I'm in need of some advice... I'm have a suspended wooden floor of which the underneath is a car port and is outside, the upper side of the floor a bedroom. On my architects plans it states; "Floor joists to receive 12.5mm plasterboard and skim finish to achieve 30 minutes...

Thanks to both for the replies. I've had a good read of the architects drawings, it states 50mm Kingspan Kooltherm K3 topped up with 100mm rockwool or similar. Thank you for taking the time to reply. And yes, I did manage to get loads of subsidised rockwool from my local B&Q :D

Hello all, I'm currently building a first floor extension on the side of my house. The underside of the extension is open, to park the car under etc... Question is, what is the best thing to use to insulate the roof of the carport / extension floor? Should I just fill the areas between...

Thanks Steve! That's what I thought, but wanted to make sure.

Hi all, This is my first post so forgive me if I'm not following etiquet... I'm having a new bedroom added to the side of my house, I'm a fairly good DIY'er, can do most things; however, I'm about to take on a new job that I've never done before. I'm going to do the internal work of...