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(Pentranch) wrote in message . com...
I have a newly built cavity block walled extension with cement render
coating which I need to paint to match the rest of the house. It is
not particularly exposed.

What prep does it need? Some say ordinary masonry paint after a good
brushing, others a stabiliser which will be expensive and others a
coat of PVA mixed to 5 parts water. Anyone had a good experience?

Thanks - it's supposed to be a nice day so I am going for the masonry
paint with no other prep as my small test area seems prety well sound.
Thanks for advice