The walls don't feel wet or even damp. The house is well heated and ventilated. I think the house flooded in 1953 which would have left the substrate with salts which then migrate through walls and blow off plaster. I'll post photo of salts forming on plaster.
Concrete would have been poured onto 2 X membranes, sitting on top of hardcore blinded by sand. The concrete floor is bone dry. It's the walls are the problem. Air bricks do exist on outside walls. Have also had cavity wall insulation put in during this period which was blown fibre. Don't think...
I've checked water meter over 48hrs and no movement on meter. No drains underneath which are all outside to rear. The problem is the high water table getting into the hardcore as previously outlined. Thanks
Hi. A builder replaced the wooden floors in my house for concrete, before I bought it. I did have walls damp proofed using a water based render waterproofer, which has now failed leaving blown plaster and effervescent salts. I've tried to explain using the diagram below. The green area is brick...
Hiya. I'm looking for a shower mixer tap indices with a directional arrow clockwise showing hot or anticlockwise showing cold. It's to go in the round part of my mixer shower lever.