On Tue, 12 Jun 2007 10:33:36 +0100, The Natural Philosopher
wrote:

wrote:
i'm putting 2 layers of plasterbaord onto a false ceiling. one layer
of plasterboard is foil faced for a vapour check. should i put the
foil faced boards on top (ie foil face next to insulation) or the foil
faced boards as the bottom layer (ie foil face sandwiched between two
layes of plasterboard) ... does it matter.

thanks

I don't think it matters really, but I'd personally put the foil up
first, foil-to-insulation.

OK, understand your reasons now, which make sense (and comply with
building regs). I agree, foil-backed first.