A valued client came to us with a Portuguese Limestone that he needed for a private estate in Montecito, California. He needed it for indoor/outdoor paving, retaining garden walls, stairs and pool coping. The material was honed and he wanted it to have a different finish for the various uses.
The honed finish is fine for interior flooring but is not suitable for outdoor paving, because it becomes too slippery when wet.
We had the Portuguese factory make a special finish to keep the look of the stone but give it some non-slip texture. To achieve this we had them sandblast the limestone to give it texture and then brushed it with acid to bring back the color. The combination was a great success visually. The interior and exterior flooring color looked consistent. More importantly, the slip hazard outdoors was eliminated.
Limestone has become a very popular material for Californian contemporary residence where the transition from inside to out needs to be seamless.
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