Is best quality masonry paint waterproof (e.g. Dulux Weathershield)? Or should I paint walls first of all with a waterproofing compound? (Here, I am talking about 15 garage units, so material cost and manpower are very significant). The instructions on the can are unhelpful about waterproofing qualities, but my local supplier assures me that it is.
Any further advice appreciated.
Any further advice appreciated.