What Causes Pitting In Granite Countertops

Most uses warrant installing a smooth unscarred surface but natural stone does come with imperfections.

What causes pitting in granite countertops.

Using cutting boards and other food prep surfaces can go a long way toward protecting your countertops but etching occurs due to accidental spillage. Pitting and fissures can be most visible where the natural stone receives more light such as a windowsill. There are 2 types of sealer. As the granite is extracted from the earth it is cut multiple times and any of these cuts can create faces where the various minerals in the stone are suddenly without the surrounding support that it naturally had.

Butterfly green granite kitchen countertops. What causes pitting fissuring on the surface of a granite worktop. When my husband first contacted the granite place with th. Common household cleaning products can be a detriment to the professional finish atop granite countertops as can fruit and acidic juices vinegar wine coffee soda bleach and ammonia.

All granite surfaces have pitting. Sealing the granite vanity top won t prevent pits however you may want need to seal it to help prevent stains. Small holes that leave a noticeable blemish in the granite. Some do seal the surface temporarily.

Pitting in a granite counter top is not a common maintenance issue but it can happen. These small imperfections are the result of the stone s porous texture and sometimes they cannot be avoided. The permanent is oil based and repels the absorption of most liquid s. A fissure is the same thing but more of a crack within the stone that occurs the same way.

But not too big a deal really. We just had new granite counters installed and my husband found what we think are 3 cracks around the sink. The topical sealer coats the surface with a wax like. Some stones are more prone to pitting.

Even after tedious polishing and finishing some pitting still remains no matter what. Granite adds a distinctive look in many places in the home when used as countertops backsplashes floors shower walls or mantels. They are visible and when we run our hand over them you can feel them in addition if you run your finger nail over them it catches. Now pitting is when there is a tiny space that can form in between the deposits of mineral crystals within a natural stone.

In order to correct for this you must seal it. Many however do not seal coat the surface. This can happen during polishing cooling or heating of the stone. These are typically viewed at a lower angle and with a stronger backlight.

Giallo napoleone granite kitchen countertops. If you already have pits then yes. Perform the water test for sealing granite countertops to determine if your granite needs sealing.