Is Granite Porous Or Nonporous

This means that if it is not properly sealed liquid is able to penetrate its surface.

Is granite porous or nonporous.

Most fabricators will apply a sealer to granite countertops before they are installed which will protect them from absorbing liquids too quickly. The general composition of granite includes silicon dioxide feldspar mica and various minerals. If the area is darker then the rest of your granite it means that it has adsorbed some of the water rendering it porous. Polishing the stone creates a flat smooth surface that reduces the porosity.

How porous your granite countertop is will depend on how it is finished and how it is treated. Hard surfaces are a combination of porous and nonporous materials. Granite is a porous natural stone. Come back and wipe the area.

Granite is an igneous rock. Alas its porous surface is granite s kryptonite. Answer 1 of 1. Granite is a naturally porous stone though it s not as porous as some other types of natural stone like marble.

This means granite has tiny crevices or holes that allow air and water into the stone. Granite is a porous material. Often overlooked are details such as the material surface texture. Also granite is immune from the damages of most common household acids.

Common hard surface materials are stainless steel solid surface laminate porcelain and a wide variety of tile and ridged plastic materials. If liquid or stains get down into the stone it can result in damages and weakening of your granite. Polished granite is the most durable most granite countertops are polished then sealed making them nearly impermeable. Even worse germs bacteria and mold can invade unsealed granite counter tops with stains running not far behind.

For example limestone is very porous when compared to quartzite and granite isn t as porous as marble. Being porous is not necessarily a bad quality. Just last week i inspected a granite that had severe water damage so you never know here s a test you can perform. Granite countertops are porous if left unsealed.

Primarily the sealing is done to keep harmful bacteria from penetrating the stone and transferring to food items. If liquids are left on the surface for long periods of time they will eventually absorb. Granite is usually non porous but there are exceptions. When a surface is nonporous such as stainless steel it cannot absorb anything at all.

Put a few drops of water on it and wait 30 minutes. Some of the more common porous surfaces include laminate granite and various types of tile and plastic materials. Like all natural stone granite is susceptible to liquid sinking into its surface.