I wonder if someone could help me with the below query?
I have a breeze block wall which has been painted on the front side with 2 coats of Valspor masonry paint. Unfortunately there has been significant flaking. We believe this may be down to either the builder not putting any damp course when constructing the wall or maybe the render may have too much sand in it. I presume we can rub down any excess flaking but I was wondering what you advise to paint over the existing coats. Would a silicone primer based stop any future flaking?
Note the wall is breeze block with sand/cement render the front side. The rear is bare breeze block with chippings as a barrier between the hedge/bank.
Hi johnd1981 Sorry but with bare blocks on one side you will never stop flaking of paint applied to the opposite side. Water will always force the paint off. Regards S
Many thanks for the reply. Currently the unrendered breeze block side of is covered by chippings but I see your point. I suppose the question is if I get someone in to render the other side would this sort the issue ?
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