Would it help to try and seal it with PVA Bond/Sealer first do you think? And should I use masonry paint or exterior tile paint for the longest lasting finish?
Please see photo of garden wall. How do I stop It getting streaked with unsightly reddish brown marks on the white wall? Don’t think the cause is the pointing because it still happens where the pointing is good. The coping was originally a rusty colour but was over painted with black years ago leavi...
