Kitchen Countertops Granite Countertops Granite Countertop Oil Based Sealers
|Granite Countertop Oil Based Sealers|
Granite has a particular level of porosity, so it needs to be sealed after it is installed. You can either hire a company that specializes in sealing granite countertops, or you can do it yourself. Here is a 101 on the granite countertop sealing.
But before your start …
Remember that not all granite countertops have to be sealed. How do you know if yours needs sealing? Do this simple test: put several drops of water on your granite countertop’s surface. Time how long it takes the water to get absorbed. If absorption time is under three to four minutes, your granite countertop probably needs to be sealed. If absorption time is longer, it probably does not need sealing.
You can also leave two drops of water on your granite countertop for about 30 minutes, and then wipe the water off. If your granite is already sufficiently sealed, it will not spot. If it spots, you need to seal it.
Using penetrating sealers
Penetrating sealers (better known in the industry as impregnators) are oil-based, so they get absorbed deep and fast. They protect the structure of granite and all other natural stones, for that matter. These oil-based sealers ‘protect from within.’ They are fairly simple to use, so you can seal your granite using them yourself. Penetrating sealers are spread over directly on the surface of the granite countertop, preferably with a soft cloth. They break in below the granite’s but do not leave any film or coat on top. What does this mean? That the inner stone is protected, but the surface is not. Penetrating sealers are enough for granite (which is a very hard natural stone), but may be lacking for calcareous stones like onyx, marble, travertine, and limestone. These kinds of natural stone may still dull and even etch when acid (such as those from orange juice) are left on their surface.How to apply oil based granite sealer properly
Granite sealer brands
There are many granite sealers in the market. Below are just two of the most popular:Hydrex. The petroleum-based Hydrex is known for making granite countertops water- and oil-repellent. It penetrates stone surfaces deeply and does not alter the granite’s color. Drying time is also quite fast – you only need to wait about 30 minutes. Hydrex comes in aerosol spray cans. Most granite countertop factories use it.
Granite Skudo. Skudo is a water based sealer made specifically for granite (it is not suitable for marble). Some experts say that because it is water based, it does not penetrate as fast and as deeply as the oil based Hydrex, though. The upside? Skudo has no fumes and leaves no smell. It can also make your granite countertop water- and oil repellent. Like Hydrex, Skudo does not affect the granite’s color. If you are sensitive to chemical smells, the Skudo is the right sealer for you.
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