Thanks for your suggestions Reeves2k2. I have now found another thread where the advice in a similar situation was to use foil-backed plasterboard and fix this direct to the bricks with screws. That would certainly solve my problem.
Graham
Hi,
I am renovating a biggish porch (2.5m x 1m) built from large windows and a 4.5" (single layer) brick wall. I am thinking of putting plasterboard over the brick. I understand that using dot and dab is not advisable in this situation so was thinking of 1" thick battens with insulation in...