Remember the thickness of the top coat should be 5 to 10mm.
Plaster thickness on concrete wall.
When relying on a bonding agent gypsum plaster should be applied to no more than a maximum thickness of 1 2inch.
The thickness of the finish coat applied over the undercoat should be 2mm.
The open texture promotes a good mechanical bond between the plaster and the masonry.
If you want a flat wall smooth the plaster out.
After the plastered concrete walls have dried you can paint them or apply wallpaper.
Open textured concrete masonry units laid with flush non tooled joints should be specified on walls intended to be plastered.
Check out our recommended tools right here.
15 mm cement plaster is required on the rough side of 9 and 4 5 wall.
Always use plaster and bonding products in strict accordance with manufacturer s recommendations.
The thickness of the undercoat used in conjunction with thistle bond it or other bonding agents should not exceed 11mm for walls and 8mm for soffits.
Leave it rough if you prefer a textured look.
Test patches are strongly recommended to ensure a good long lasting bond of plaster to masonry concrete substrates.
If you want to apply a single coat of plaster make sure it is no thicker than 10 to 15 mm.
Step 5 care of your plastered walls.
20 mm thick.