INSTONE is a company dedicated to the processing, marketing and application of ornamental rocks in the area of construction and interior and exterior decoration.

We have a large variety of colors and textures of granites, national and international marbles as well as Compact Quartz and Silestone.

We perform all kinds of work, big, medium or small.

By mid 2010 we acquired the know-how of another company that was on the market for over 30 years.

We are located in Maia (next to Ismai) and our specialized staff  will help you from advising, to measurement and placement of the material in Marble, Granite, Compact, Compact Quartz, Silestone, Onix, Cersize and Dekton.