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Murty

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Murty

Blackspot on Indian Sandstone

I laid a large area of patio with Indian Sandstone. After a couple of years blackspot began to appear. Now it has spread to almost all the flags. I've used sandstone cleaner, bleach and stone & brick...
14:56 Fri 24th Apr 20092 answers, last by Murty 21:12 Fri 24th Apr 2009

Only 1 question