Caution
A patch of wall sounds hollow when tapped, bulges slightly, or crumbles away when you press it.
One or more cracks have appeared across a ceiling and you want to know whether it matters.
High risk
An old ceiling has dropped, bellied downwards, or sounds hollow and gritty when tapped.
Low risk
Fine cracks have appeared in a wall or ceiling within days or weeks of it being plastered.
Weeks after plastering, a wall is still dark in patches instead of drying to an even pale finish.
A textured swirl or stipple ceiling you want flattened, and you have heard it may contain asbestos.
Soft, sandy plaster in an older property is falling away, often where a modern repair meets it.
External render sounds hollow when tapped, is cracked, or is coming away in patches from the wall.
Straight cracks run along board joints, or small round bumps and chips appear over each fixing.
A newly plastered wall shows hollows, ridges or trowel marks, usually worst in low sunlight.
Describe the job and get a fixed price from a local plasterer.
