Tin Soldier Posted March 26, 2018 Share Posted March 26, 2018 Morning All So I have two options for a continuous vapour control layer to meet building regs - according to the architect anyway either install a membrane all over and use standard plasterboard or his preferred method of duplex / vapour check plasterboard. Difference in cost to me is £700 between the two, plus my time to install the membrane (It's a very large area and high ceilings) Are there pros and cons to either? A separate question, My local builders mechants only supplies tapered edge plasterboard, is this an issue when skimming? should I find square edge somewhere else? Link to comment Share on other sites More sharing options...
nod Posted March 26, 2018 Share Posted March 26, 2018 Duplex all day long We are hardly ever asked for vapour barriers anymore Tapered edge are preferred Im not sure why square edge boards are made anymore Link to comment Share on other sites More sharing options...
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