Chris Plastow
It is important to open the hole and block it at the outside wall surface first , use bricks and cement , then block the internal surface in the same way . Render the bricks with cement not plaster .
Air vent plaster
Posted by Paul Shave, on
How do I remove plaster air vent and fill gap for smooth finish prior to decoration. Proud from wall by over 1 centimetre? Police house, early 1950's
