Before you begin to plaster your concrete walls you need to remove peeling paint and flaking bits of old plaster.
Plasterboard on concrete wall.
Use a roller to apply it in bands where the adhesive will be applied.
The concrete background should be reasonably dry and protected from the weather.
There are two methods for fitting plasterboard to brick walls.
Gypsum plasterboard or drywall enable a quick installation of walls partitions and ceilings benefiting the diyer and professional alike.
Install metal lath over the painted concrete wall if you don t want to sandblast.
Use concrete nails and a concrete nail gun to attach the hat channels to the wall after drawing a plumb line to make.
The one i m assuming you have in mind is called dot and dab.
We have the full range of plasterboard plastering products and tools needed to complete a range of projects.
If the wall has been painted and the paint is peeling or flaking all of the paint.
You will be able to see it while dot and dabbing as it s green in colour.
Your walls should be free of paint oil and dust so the plaster can bond properly.
How to plaster a concrete wall step 1.
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There are two methods for this process the method you select will depend on how even the masonry surface is.
Caulk cracks and kill any mold on the walls.
With this technique you apply thick lumps of special dry wall adhesive such as gyproc dri wall adhesive onto the masonry wall and gently press the board into position.
Gyproc recommends applying the dri wall.
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The texture of the concrete walls should be sufficiently rough so the plaster will adhere to it.
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Add some rigid board insulation between the hat.
Use a wire brush to clean stains left by the mold or mortar joints.
Our range includes various types of plasterboard such as fireline moisture resistant soundbloc and insulated as well as your standard square edged and tapered edged boards.
Prepare the concrete wall.
Covering a brick or block masonry wall with plasterboard is an ideal way to lighten a room or create a smooth surface with a cavity for wiring and services.
Step 2 apply a layer of dash.
Caulk any cracks.
For smooth concrete surfaces use thistle bond it to provide a key for the gyproc driwall adhesive.