7 December at 12:09

Heritage stone cleaning on a former prison/hospital. Stone is clean, time to #doff the sandstone next. #blastcleaning cleaning #doffcleaning #listedbuilding #northwales #sandblasting #renovation #apartments

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GT Problast Ltd is in Holywell.

6 December at 08:18

Enough to keep us busy! This is just one part of the building!

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25 November at 08:20

More chemical cleaning on stone and brick in Caernarfon. It removes all the black staining on the surface without the mess and noise of blast cleaning. Get in touch today by facebook or give us a call 📞 01492 541634.

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GT Problast Ltd added 2 new photos.

21 November at 07:28

We havn't had a Triumph in for a while! This shell will be blast cleaned with a very fine crushed glass back to bare metal, ready for a rust inhibiting primer to be applied.

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16 November at 11:26

Stained pitch pine beams blast cleaned. A much brighter finish than the old fashion dark stained beams.

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