Masonry paint and splashing/peeling

Jul 04, 2011 2 Replies

HI Chaps,



My porch has very unsightly peeling masonry paint on the outside near the ground where I think rain splashback has loosened it.



Next time I am getting this done, would it be worth my while to apply some waterproofing stuff as an undercoat to try and improve the adhesion of the topcoat of masonry paint or am I wasting my time?



I don't think the damp is from the ground underneath because the wall itself seems sound. It seems to be just from the backsplash on the surrounding area when it rains.



Any other solutions gratefully received.



dedics


Applying waterproofing prior to the paint will be a very bad idea, because the paint is water based. It would be better to either stop the splashback, or apply a waterproofing agent over the top of fresh paint.

I have in fact applied such waterproofing to the flaked-off render, and painted over it.

It works exactly as I wished.

No more flaking where the watersplash exists.

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