What Causes Pitting In Granite Countertops

Natural stone countertops like granite and marble often come with pits on the surface.

What causes pitting in granite countertops.

The topical sealer coats the surface with a wax like. These small imperfections are the result of the stone s porous texture and sometimes they cannot be avoided. A fissure is the same thing but more of a crack within the stone that occurs the same way. Butterfly green granite kitchen countertops.

Giallo napoleone granite kitchen countertops. Some stones are more prone to pitting. Now pitting is when there is a tiny space that can form in between the deposits of mineral crystals within a natural stone. All granite surfaces have pitting.

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. Most uses warrant installing a smooth unscarred surface but natural stone does come with imperfections. If you already have pits then yes. Some do seal the surface temporarily.

But not too big a deal really. There are 2 types of sealer. The permanent is oil based and repels the absorption of most liquid s. Granite adds a distinctive look in many places in the home when used as countertops backsplashes floors shower walls or mantels.

When my husband first contacted the granite place with th. Posted on 23 01 2014 24 12 2016 by affordable granite a perennial issue in our industry is the potential gap between customer expectation of the appearance of their worktops and the irregularities and surface textures that are intrinsic and normal characteristics of different. Perform the water test for sealing granite countertops to determine if your granite needs sealing. In order to correct for this you must seal it.

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. This can happen during polishing cooling or heating of the stone. Using cutting boards and other food prep surfaces can go a long way toward protecting your countertops but etching occurs due to accidental spillage. We just had new granite counters installed and my husband found what we think are 3 cracks around the sink.

What causes pitting fissuring on the surface of a granite worktop. Your supplier will be able to answer any and all questions you have. Sealing the granite vanity top won t prevent pits however you may want need to seal it to help prevent stains. Many however do not seal coat the surface.

Even after tedious polishing and finishing some pitting still remains no matter what. Small holes that leave a noticeable blemish in the granite. Pitting and fissures can be most visible where the natural stone receives more light such as a windowsill.