Also granite is immune from the damages of most common household acids.
Is granite a porous stone.
Like all natural stone granite is susceptible to liquid sinking into its surface.
Granite is a porous material.
This means that if it is not properly sealed liquid is able to penetrate its surface.
Granite countertops are porous if left unsealed.
Even worse germs bacteria and mold can invade unsealed granite counter tops with stains running not far behind.
If liquid or stains get down into the stone it can result in damages and weakening of your granite.
Even though granite isn t as porous as other stones it still needs to be sealed.
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.
Being porous is not necessarily a bad quality.
Alas its porous surface is granite s kryptonite.
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.
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.
Polished granite is the most durable.