Is Granite Stone Porous

Granite is a porous natural stone.

Is granite stone porous.

If liquid or stains get down into the stone it can result in damages and weakening of your granite. Staining is also a problem with more porous stones especially darkly colored liquids like red wine. For example limestone is very porous when compared to quartzite and granite isn t as porous as marble. So natural stone countertops are porous and some are more porous than others.

Even worse germs bacteria and mold can invade unsealed granite counter tops with stains running not far behind. Granite is a naturally porous stone though it s not as porous as some other types of natural stone like marble. Like all natural stone granite is susceptible to liquid sinking into its surface. To better understand the natural porosity of granite it helps to understand the following details.

If liquids are left on the surface for long periods of time they will eventually absorb. This means granite has tiny crevices or holes that allow air and water into the stone. Where the water and oil if used was placed on the granite check for darkening of the stone. This means that if it is not properly sealed liquid is able to penetrate its surface.

Also granite is immune from the damages of most common household acids. If the water beads up and seeps into the stone within 5 minutes you have a porous stone or the sealer has started to wear off. Whenever you get porous granite countertops wet you run the risk of them becoming discolored. Some types of natural stone are more porous than others.

This indicates that the granite has absorbed the liquid meaning it s porous. The trinova granite sealer utilizes the powerful blend of polymers that penetrates the stone or granite s natural porous surface to prevent any stains from seeping into the surface and becoming a permanent stain. Most fabricators will apply a sealer to granite countertops before they are installed which will protect them from absorbing liquids too quickly. Marble is also fairly porous but not as much as limestone and sandstone.

Being porous is not necessarily a bad quality. Alas its porous surface is granite s kryptonite. A big red mark is the last thing you want on your pure white marble slab. For example black granite surfaces are extremely dense and do not require any form of sealing.

When a surface is nonporous such as stainless steel it cannot absorb anything at all. Granite is a porous natural stone and without the sealer oil grease dirt and water will seep into the surface and spoil the look. However this doesn t mean granite acts as a sponge. Granite is an igneous rock.

By doing this the trinova sealer also provides a protective layer to granite to protect it from any water spotting and other.