I have two problems with some ceilings at home. A leak in an upstairs bathroom has caused damage to the living room ceiling. That ceiling now has blisters in the material covering the plasterboard, and stains on the paint. The total area involved is only 1M x 10CM and I don't want to replace the plasterboard if the TOA might fix it. I guess that I would need to remove the blistered material, then stabilise the board above it with the diluted TOA before skimming it smooth and repainting it.
The bathroom in question has reasonable ventilation (a 1M x 1M window that is always left open.) Nevertheless, the ceiling has a powdery mould for the second time. I removed the mould first time around and used a mould preventing liquid to cover it. As the mould has returned, I guess that I need to remove the mould again - and maybe use the same TOA to seal the surface after a further coat of mould inhibitor??? Then paint the ceiling with an anti-fungal paint.
Does anyone have an opinion please?