Is Granite A Porous Stone

Like all natural stone granite is susceptible to liquid sinking into its surface.

Is granite a porous stone.

Even worse germs bacteria and mold can invade unsealed granite counter tops with stains running not far behind. Even though granite isn t as porous as other stones it still needs to be sealed. If liquid or stains get down into the stone it can result in damages and weakening of your granite. Granite is relatively non porous compared to other common countertop materials though it still has some porosity.

Most fabricators will apply a sealer to granite countertops before they are installed which will protect them from absorbing liquids too quickly. If liquids are left on the surface for long periods of time they will eventually absorb. Also granite is immune from the damages of most common household acids. Like all of the products provided by granite gold granite gold sealer is safe to use on all types of natural stone including marble travertine and slate.

Polished granite is the most durable. Granite countertops are porous if left unsealed. All natural stone possesses some degree of porosity. This means that if it is not properly sealed liquid is able to penetrate its surface.

How porous your granite countertop is will depend on how it is finished and how it is treated. Granite is a porous material. Limestone and sandstone are highly porous and readily absorb liquids and are particularly prone to etching and wearing away when they come into contact with acids.