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Granite window sills

Chaos · 2010-03-02 09:41:55

Hey, I have finsihed a new house build recently enough that has granite window sills which are stained and cover in crap, they dont event look like granite now. I heard there is some sort of acid or something you can use to clean them. Does anyone know any other ways?

02-03-2010 10:41am

#1

Chaos

Registered Users Posts: 1,134 ✭✭✭

Join Date: May 1999

Posts: 964

Hey,

I have finsihed a new house build recently enough that has granite window sills which are stained and cover in crap, they dont event look like granite now. I heard there is some sort of acid or something you can use to clean them. Does anyone know any other ways?

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Comments

#2 02-03-2010 1:13pm

dardevle

Registered Users, Registered Users 2 Posts: 771 ✭✭✭

Join Date: January 2008

Posts: 763

....

had the same problem on a housing development a few years back(50 houses!!:eek:)...we tried just about everything that was suggested, bleach, soaps, some acids,

what worked best at the time for us was to give them a going over with a a wire disc grinder(carefully) to remove any mortar/plastering snots, then applying a strong soloution of armillatox, liberally with a brush and not rinsing it off, very tough going and the results were quite mixed as it did'nt really shift things like rust stains.

good luck:o

....

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