Q There's mould growing on my bedroom walls. It's mainly on the corner of the outside wall and the one adjoining it, which is attached to a building with a flat roof. Bleach hasn't really helped. Any ideas? Joanne Pascoe, by emailA Sounds like you have some sort of cold bridging. This means there's a lack of insulation in the structure, which has resulted in the inside of the walls and ceiling being as cold as the outside.
Diy Expert Donny Sheridan Solves Your Problems ; Dear Donny
When mould gets into the fabric of the wall/ceiling you need to cut out the section and replace.H...