Even worse germs bacteria and mold can invade unsealed granite counter tops with stains running not far behind.
Is granite a porous stone.
Granite is a porous material.
Alas its porous surface is granite s kryptonite.
This means that if it is not properly sealed liquid is able to penetrate its surface.
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.
Granite countertops are porous if left unsealed.
Polished granite is the most durable.
If liquid or stains get down into the stone it can result in damages and weakening of your granite.
If liquids are left on the surface for long periods of time they will eventually absorb.
Granite is relatively non porous compared to other common countertop materials though it still has some porosity.
Also granite is immune from the damages of most common household acids.
All natural stone possesses some degree of porosity.
How porous your granite countertop is will depend on how it is finished and how it is treated.
Granite is a porous natural stone.
Being porous is not necessarily a bad quality.
Most fabricators will apply a sealer to granite countertops before they are installed which will protect them from absorbing liquids too quickly.