After years of developing and testing our company has developed a biochemical process giving granite and gneiss that have certain chemical and mineralogical characteristics a bluish color. The bluish color caused by our biochemical procedure has no negative effects to the original positive characteristics of the gneiss and granite. Our biochemical processed granites and gneiss are acid, weather and light resistant (comparable to the resistance of powder coated aluminium facades). Proofing the amount of discoloration is available. We have a copyright an all our products.
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