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I want to cover some of the walls in my house with insulated plasterboard and am thinking of using Gyproc Thermaline 22mm. If I fix it using dabs of Dri-wall adhesive do I have to go back to bare brickwork or can I go straight onto the existing plaster which is sound and dry? Roughly how many sheets of board will a bag adhesive do? I have heard that some mechanical fixings are also required, what type?
Or is it better to batten the walls?

Hi smiffy,
Have a look at this http://www.british-gypsum.com/PDF/LIT_T ... _Mar05.pdf

Full instructions there.

Anything else just ask.

Followed your link and found everything I needed to know. Thanks very much. Smiffy

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