johnstone's alkali resisting primer is a solvent-based primer and sealer formulated for interior and exterior use on new or bare plaster, concrete, cement and rendered surfaces. used as a primer on unpainted surfaces and as a sealer on powdery substrates it provides exceptional resistance to alkali attack.
binds powdery surfaces and resists alkali attack
an ideal primer for unpainted plaster and rendered surfaces
suitable for interior and exterior use
coverage�:9-11 sq mtr per litre.
drying time�:touch dry 4-6 hours.
application�:brush, roller or spray.