Countertops, for example, may be designed to stretch a considerable distance above the dishwasher, breakfast bar, desk. Manufactured materials such as quartz have a certain maximum span, but manufacturers can recommend various solutions with stone, depending on the size of the unsupported part. Secret steel brace. Or a path area beneath a stone for a rod of steel or fiberglass. Your fabricator will help you decide how much support the counter needs. Stones such as limestone and marble are more porous than other stones and are more likely to absorb dirt such as red wine and coffee. Acidic substances like lemon corrode the surface and may contaminate the shower even if it is stained. Stone like stone is softer than other stones and it may hurt. Please carefully consider how you plan to use it before building a stone and how much contact has potentially harmful substances.