Blue slate - scratched - Repair scratched blue slate in situ

Patio flagstones (slabs), concrete flags, stone flags including yorkstone and imported flagstones.
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Jakeroo
Posts: 1
Joined: Wed Jul 12, 2017 10:50 am
Location: London

Post: # 114053Post Jakeroo

Hi
My first post here.

We've been asked to clean scratched Blue slate paving in West London but as expected the cleaning did not improve the looks and the installers/design company is looking for an alternative solution for replacing all the scratched slabs.

The slabs have been down for a year and other contractors and scaffold damaged the slabs ind in places they've tried to polish it out with wire brushes or pads and it created the milky white strips.

The surface is not smooth and the repaired surface will have to match this.

Are there any proven methods and if so how/what are they please?

This is the DropBox link to a few images. If it doesn't work I'll try the images individually.

Thank you in advance for you help.
J

DropBox link

Tony McC
Site Admin
Posts: 8346
Joined: Mon Jul 05, 2004 7:27 pm
Location: Warrington, People's Republic of South Lancashire
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Post: # 114073Post Tony McC

These marks will have to be 'rubbed out', using progressively finer grades of abrasive powder. It's akin to the way that scratches in paintwork on fancy cars is caried out, and it's best done by someone familiar with stone.

There are some monumental masons (yes: the graveyard guys!) who are skilled in this technique, and also some of the better granite kitchen installers. In West London I suspect there's no great shortage of fancy, more-money-than-sense kitchen installers, so I'd start by ringing around a few of them to see who can help.
Site Agent - Pavingexpert

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