i need to seal some sandstone copings that i have used to top off a garden retaining wall, as the ground will be level with the top of them they will get dirty very quickly and i thought that if i sealed them with a clear varnish this would help,what kind of varnish can i use ,all the ones i've seen seem to be for wood. thanks bampi
sealing sandstone
- Thread starter bampi
- Start date
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