Background Preparation High Suction Backgrounds

High Suction Backgrounds
  • Brickwork
  • Thermalite Blocks
  • Celcon Blocks

Require a coat of plaster 5-10mm to kill the suction and keyed with a scratcher to allow another coat to grip, which will not dry in too quickly – also 5-10mm. Then ruled off with a featheredge and devil floated to achieve a flat and keyed finish.

Backing plasters