Should granite be sealed at the sink?

Author: Lolita Hettinger  |  Last update: Monday, September 18, 2023

One question that comes up a lot when working with granite countertops is “Does granite need to be sealed?” The answer is very simply “Yes.” Certain stones, like granite and many other natural stones, are porous. This means that a sealant needs to be applied to prevent staining from water, oils, and other liquids.

How do you seal between granite and sink?

Put a bead of silicone caulking around the rim of the sink using the caulking gun. Place the sink back into the hole in the granite and pull it up into place using a string wrapped through the drain.

How to know if your granite countertops were not properly sealed?

How to test if your marble or granite need to be sealed:
  1. pour a tablespoon of regular tap water onto the counter and let it sit for 10-15 minutes.
  2. Wipe away water with a dry cloth.
  3. Is there a darkening of the stone?
  4. If there is darkening, your counters could use some sealer.
  5. If color hasn't changed, the stone is sealed.

What do professionals use to seal granite?

Choosing the Right Sealant is Essential

For this reason, look for products in the class known as impregnating stone sealers. They are chosen by professional contractors for sealing granite, marble, and slate countertops. The top-rated product in this class is Tenax Hydrex Impregnating Stone Sealer.

What happens to granite if not sealed?

Granite is a Porous Material

Although granite is a hard and durable stone, granite is porous. This means if you spill something and your granite countertops aren't sealed, it could cause permanent stains and unsightly marks. Brand new granite counters often have a sealant applied during installation.

Sink Separation, Under-counter on Granite

How often should granite be resealed?

Typically, granite should be resealed every 12 to 18 months. Nevertheless, there are some other factors that come into play when determining how often to reseal granite countertops. For example, a lighter colored granite will need to be resealed more often because it is typically more porous.

How long to wait after granite is sealed?

After sealing a granite countertop, you will need to wait a period of time to allow it to take effect. The most common length of time here is 48 hours, but this may vary between products – once again, read the instructions!

Can you seal granite permanently?

The answer is yes, you can permanently seal your granite and that will give you a completely maintenance-free countertop.

Can I seal granite myself?

It is like any other natural material. Wood has its grain, and stone has its pores. Fortunately, it's easy to seal a granite countertop. It takes just a few minutes and requires little more than a granite sealer and a clean pad.

Can you seal granite too much?

You don't want to apply sealant too often. If you do, sealant will pool on the surface instead of absorbing into the stone.

Can you put hot pans on granite?

Granite is Heat Resistant

Placing a hot pan on a well-maintained granite slab will not cause it to crack or weaken. Just remember that repeatedly placing a very hot pan on the same spot may cause granite to discolor.

Does sealing granite make it darker?

It's important to understand that an impregnating sealer should not alter the color or finish of the granite counter. It won't make a polished surface dull, or a matte counter shiny. It's invisible when dry.

What's the best cleaner to use on granite countertops?

Frequent use of vinegar, Windex or bleach will dull the granite and weaken the sealant. Instead, a little soap and water should do the trick. Add dish soap and warm water to a sponge, get a good lather and begin cleaning. Avoid using abrasive pads, as granite can be scratched.

How do you protect granite from water stains?

1. Keep Stone Surfaces Sealed Sealing is the best protection against water stains, and you can accomplish it by means of frequent applications of granite sealer. Make sure to allow the sealant to dry for at least 2 hours before exposing the tiles, slabs, or panel to fluids. 2.

What is the best sealant for sink to countertop?

Silicone sealant is the best type of caulk for kitchen use. Silicone is waterproof and non-toxic. It is flexible, durable and rarely cracks. It is capable of adhering to a wide variety of substrates, including metal, glass, porcelain and ceramic.

What causes granite to crack in front of sink?

The support rod is usually encased in a polyester rodding glue that breaks down under prolonged contact with moisture. This breakdown along with the absorption of water into the underside of the granite creates all of the conditions necessary for the rod to corrode and begin to expand.

Does sealing granite make it shiny?

Resealing granite prevents permanent damage to the stone and restores the original, factory shine. There are many sealers to choose from, but your granite countertops retailer should recommend the best product for your exact variety of stone.

What not to use on sealed granite?

If it beads up, you have a secure seal. If after a few minutes the water has soaked into the granite, then it's time to reseal the stone. DON'T: Use harsh or abrasive cleaners and sponges. Windex; acidic cleaners, like vinegar, lemon, lime; or anything with ammonia or bleach should be avoided.

Should I have my granite professionally sealed?

Most granite is very stain resistant and does not “require” sealing. However, sealing is an added precaution, and many fabricators and installers do recommend it. Quality Granite & Marble typically makes this determination, and applies sealer when needed.

What countertops do not need to be sealed?

Unlike granite, quartz doesn't need to be sealed on a regular basis in order to prevent staining. The nonporous surface makes it an ideal choice for food preparation and maintenance. You can clean these countertops with some warm and soapy water when necessary.

What to do after granite is sealed?

30 minutes after the final application, wipe off the excess sealer with a microfiber cloth. If excess dries on the surface and hazing appears, spray additional sealer onto that area and wipe up immediately. Keep surface dry for 24 hours after the application process is complete.

Does sealed granite still absorb water?

It's not much but because of the porosity, the tiny holes that are not visible to the naked eye can absorb water. Sealed granite countertops are much less likely to absorb water, however if water is left on your countertop for long periods of time, it can cause a darker spot.

Does sealing granite prevent stains?

Granite is a porous and siliceous surface, making it susceptible to permanent damage from staining and etching. Sealers work to solve this issue by reducing your surface's absorption for a prolonged period of time. This helps resist stains.

What is the difference between granite polish and granite sealer?

A standard sealer will help generate a shiny finish that reflects more light than an unsealed surface. An enhancing sealer will create a shiny, wet look. For a brighter-looking surface, a granite polish will work best. Polishing creates a very glossy, shiny granite surface that really stands out.

Previous article
How long to run a sprinkler for plants?
Next article
Can a fiberglass pool be installed on a slope?