Do You Need to Seal the Granite Worktops in Your Home?


You finally decided on granite to replace the ugly laminate on your worktops and now you are beginning to wonder if you should have it sealed when it’s installed. Even though granite has the reputation of being as strong as the mountains, it’s very absorbent and can be stained if a sealant isn’t applied once it’s been installed. The natural beauty of granite appeals to you and your sense of style but you must consider ways to protect your investment and retain the beauty long after the installer has left your home.

Granite kitchen

Why Should You Seal Granite?

Granite does resist moisture but it’s porous which means that all liquids spilled onto it can permeate its surface and cause stains to occur. If you seal the granite following installation, and before any accidents occur, it can help to prevent staining from happening; liquid will simply collect in beads on the granite surface until you can grab a towel to wipe up the spill. Grape juice, wine, and cooking oil are all liquids that can stain your worktop. The sealant will help to prevent damage from happening to your granite and will protect the investment that you’ve made in this beautiful stone.

Sealants That You Should Consider

Before you rush out to buy a sealer for your granite worktops that you’ve see in adverts you should discuss your choices with a trained installer or the supplier from whom you purchased your granite. Look for a sealant that is recommended by the professionals and that is an affordable price. Keep in mind that you will want to apply about three coats of the sealer so make sure that you buy enough the first time. Each additional coat that you add will go further than the one before it so be aware that you won’t need as much as you might think. Also, it’s important to apply the sealer before any water or stains get on the worktop.

When to Apply Sealer

You may want to contract the installer to seal your granite worktops if he is accustomed to providing this service to clients like you. If not, you can seal it yourself with just a few simple steps. You’ll want to seal the granite as soon as it’s installed in your home, and then again about once a year. Check the porosity of your granite and ask a professional if it needs to be sealed more often to protect its surface. If you do the sealing yourself be sure to clean the granite surface first, follow the directions, and work with smaller areas first so that you can see how the granite is accepting the sealer. Be sure to let it dry thoroughly before applying the next coat so that the sheen of your granite will continue to look as good as new.

From dropping water to spilled wine to pizza grease, the staining that can happen to your granite can be prevented with just a few coats of sealer.


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