I have a small L shaped bathroom (ground floor) in a old building that has no wall cavity. I've had a damp inspection (two actually) which both concluded that the damp I'm getting around the toilet and on the wall next to it is not from the exterior or rising from the foundations.
I insulated the toilet cistern (on the inside) and all condensation has gone from that (great!). However I'm in two minds on the best, cheapest approach to dealing with the wall.
Obviously, the best approach would be to build a internal wall cavity via battens, then board and plaster / tile over it. That has been 100% successful in other rooms in the house. But I am wondering if following cheaper method exists and is it reliable...
The question - Does a all in one bathroom wall insulation liner that doubles up with a tile effect exist on the market? Would it be effective at reducing / minimising cold wall condensation?
I could live with a strong reduction in condensation rather than a 100% match to the preferred method (noted above).
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