granite has a porous, so need to be sealed after installation. You may request professional, also make your own. Here are some of the knowledge sealing granite countertops.
Before sealing
Note: Not all are required to seal the granite countertops. So how do you judge to be not sealing it? To be a simple test: a few drops of water to the granite countertop. Penetrate into the surface of the water table records the time. If the penetration of less than 3,4 minutes used, it shows that granite countertops need to seal. Longer if you do not need penetration seal.
You can also drop two drops to a granite countertop, about 30 minutes after the wipe. If the granite has been completely sealed there will be no water damage. If you need to seal water-soaked.
Osmotic protective agent
Osmotic protective agent is oily, so they penetrate deeper, faster, and protect the structure of granite and other natural stone effect. These oily protectants protected "from the inside out." They are easy to use, so you can seal it yourself. Osmotic protective agent spread directly from the granite surface, preferably with a soft cloth. They penetrate granite house, but would not leave any film on the surface or coating. What does this mean? This shows that the stone has been protected within the surface does not. Osmotic protective agent is sufficient for granite, calcareous stones such as agate but, marble, travertine, limestone, etc. are inadequate. These natural stone may be dimmed, but the acid corrosion of the surface even.
How to use the oil granite Protectant
Slate. Seal the table into several parts, each about 4-5 square feet, so that more uniform seal.
Limestone. With a rag lightly coated with the oil-repellant to the granite countertop. You can also use a soft brush.
Sandstone. Put it aside for 3-4 minutes until the protective agent is absorbed.
Travertine. When the protector is almost dry and do it again. The amount of protective agent to be less than the first time, with a clean soft cloth coated evenly.
Mosaic. Repeat the above steps until the entire table completed.
After 6.2 hours from the beginning these steps. Protectant penetration depends on its brand. Some protective agent soon, but some slower. Best to read the next instruction manual.
Note
Oily protective agent can be well protected granite countertops, but only this is not enough, if you want to keep bright as new granite countertops to the need for regular cleaning. Prepare some stone soap (natural plant soap also). Stone in the regular deep cleaning soap to form a thin film. They help prevent dirt, debris, pollution, granite countertops, they function the same with the washing liquid, but more moderate, more secure.
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