Is Granite Non Porous

It is my understanding that all granites by nature have some amount of porosity no matter how slight.

Is granite non porous.

This means that if it is not properly sealed liquid is able to penetrate its surface. Quartz s non porous nature allows it to resist staining much better than granite marble and concrete. All natural stone possesses some degree of porosity. 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.

Quartz is also the cleanliest of america s most popular countertop surfaces. The short answer to this question is yes. Countertop surfaces natural stones such as granite and marble have pores and are considered porous surfaces. Its non porous surface means it will not harbor bacteria or viruses.

Polished granite is the most durable most granite countertops are polished then sealed making them nearly impermeable. Granite countertops are considered to be alow maintenance countertop surface. The undisputed unbeaten champion of the porous test quartz is non porous. When a surface is nonporous such as stainless steel it cannot absorb anything at all.

However on a non porous or sealed surface water will bead up. 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. Other countertop materials such as solid surface and quartz surfacing are non porous.

I think you are correct about black galaxy not needing to be sealed but there are no granites that are non porous even black galaxy. There are things that can stain them though such as permanent marker which can be removed from granite. Granite countertops are porous if left unsealed. Granite isn t nonporous granite is a naturally porous stone though it s not as porous as some other types of natural stone like marble.

How porous your granite countertop is will depend on how it is finished and how it is treated. Granite is a porous natural stone. Granite is relatively non porous due to the interlocking nature of the crystallized minerals which it contains. This means water other liquids and even bacteria can enter the countertops surface even causing granite to darken or marble to stain.

Granite is relatively non porous compared to other common countertop materials though it still has some porosity. This means granite has tiny crevices or holes that allow air and water into the stone.