I am going to paint coping blocks on top of a single skin wall.
There seems to be some white discolouration/stain on them. Should I seal the blocks with pva first or just use the masonary paint straight onto the blocks?
I am going to paint coping blocks on top of a single skin wall.
There seems to be some white discolouration/stain on them. Should I seal the blocks with pva first or just use the masonary paint straight onto the blocks?
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