Wall - Backing Coat or Plasterboard?
I have a red brick interior wall and I'm wondering if I can plaster straight to it or do I have to use plasterboard .
You can apply plaster directly to the brickwork. However you need a backing - which can either be:
Backing coat plaster ( Details at https://www.diyplastering.co.uk/plasteringmaterials.html )
If you use a backing coat of plaster the brickwork may be very porous and suck the moisture out of the plaster too quickly - so controlling the suction is vital (https://www.diyplastering.co.uk/plasteringpreparation.html ).
Once you have applied the backing coat plaster or plasterboard you can then apply the skim coat of plaster to provide a nice smooth clean finish.
A few benefits of plaster backing coat:
A thinner total thickness - Can be applied thinner - from a few millimetres up to 25mm no problem.
Easier for fixing to
A few benefits of plasterboard:
Can be easier to apply
Can be easier to apply the finish skim coat of plaster to
Click here to post comments
Join in and write your own page! It's easy to do. How? Simply click here to return to Plastering Preparation - Backing & Skim Coat Questions & Answers.