Granite countertops are durable, but standing water can cause damage.

Yes, your granite countertop can be ruined by prolonged standing water, especially if it’s not properly sealed.

TL;DR:

  • Granite is porous, and standing water can seep in, causing stains and weakening the material.
  • Proper sealing is key to protecting your granite from water damage.
  • Act quickly to clean up spills and address leaks to prevent long-term issues.
  • Signs of damage include dark spots, dullness, and potential chipping.
  • Professional restoration is often needed for significant water damage.

Is My Granite Countertop Ruined by Standing Water?

It’s a common worry after a spill or a leak: “Is my granite countertop ruined by standing water?” The short answer is: it might be, but it depends on a few factors. Granite is a natural stone, and like most natural materials, it has pores. These pores can absorb liquids. If water sits on your granite for too long, it can start to cause problems.

Understanding Granite’s Porosity

Think of granite as a very fine sponge. While it’s much tougher than a sponge, it can still soak things up. This is especially true if the sealant on your granite has worn away. A properly sealed countertop acts like a barrier, preventing liquids from penetrating the stone. Without that protection, water can become a problem.

How Water Affects Granite

When water sits on granite, it can lead to a few issues. The most common is staining. Dark liquids are obvious culprits, but even clear water can leave behind mineral deposits. These can appear as dull spots or rings on the surface. Over extended periods, this moisture can even weaken the stone’s structure.

The Role of Sealant

The sealant is your granite’s first line of defense. It fills in those tiny pores. When the sealant is fresh and intact, spills bead up on the surface, making cleanup easy. However, sealants don’t last forever. They wear down with use, cleaning products, and time. If you notice water soaking into the stone quickly, your sealant may need a refresh.

Signs of Water Damage on Granite

How can you tell if your granite is actually damaged by water? Look for these tell-tale signs. You might see darkened areas where moisture has been absorbed. The surface might look duller than usual, especially in spots where water frequently pooled. In severe cases, prolonged moisture exposure can lead to etching or even chipping along the edges.

Staining and Discoloration

The most visible sign is staining. Water itself can leave mineral deposits, which look like faint white or gray marks. If the water was dirty or contained minerals, the stain could be more pronounced. These often look like shadows or rings on the granite.

Dullness and Loss of Shine

Water can break down the sealant, and repeated exposure can affect the polished finish. You might notice a lack of shine in certain areas. This dullness is a sign that the surface has been compromised. It can make your beautiful granite look tired and worn.

Etching and Pitting

While less common from plain water, highly acidic or alkaline water can etch the surface. More often, prolonged dampness can contribute to the breakdown of the stone’s surface. This can lead to tiny pits or a rough texture. These are clear indicators that the granite needs attention.

What to Do About Standing Water

The key to preventing permanent damage is quick action. If you notice standing water on your granite countertops, don’t delay. Grab a soft cloth and wipe it up immediately. For spills that have sat for a while, ensure you dry the area thoroughly. This simple step can prevent many problems.

Immediate Cleanup Steps

Your first move should always be to wipe up the spill. Use a clean, absorbent cloth. Pay attention to seams and edges where water can linger. After wiping, dry the area with a separate, dry cloth. This ensures no moisture is left behind to soak in.

Dealing with Persistent Moisture

Sometimes, water can get trapped. This might happen around faucets or in tight corners. A hairdryer on a low setting can help gently dry these areas. You’re looking for any signs of hidden moisture behind walls or under cabinets, which can be a bigger issue. This is especially important if you suspect a slow leak.

Can Water Damage Be Fixed on Granite Counters?

The good news is that many types of water damage on granite can be fixed. Minor stains might be removed with specialized granite cleaners or poultices. If the sealant has worn off, resealing the countertop is a crucial step. For more serious issues, professional help might be your best bet.

Restoring the Seal

Resealing your granite is often the most effective way to prevent future water damage. It restores the protective barrier. You can often feel if your granite needs resealing. If water beads up, it’s likely still protected. If it soaks in, it’s time to reseal.

Poultices for Stains

For stubborn stains, a poultice can draw the moisture and discoloration out of the stone. These are typically made from an absorbent material like baking soda or diatomaceous earth mixed with a liquid. You apply it to the stain, cover it, and let it dry completely. Many experts recommend this as a first step for difficult spots. This addresses signs of trapped water effectively.

When to Call a Professional

If you’ve tried cleaning and resealing, and the damage persists, it might be time to call in the pros. They have specialized tools and knowledge. They can assess the extent of the damage. They can determine if the granite is salvageable or if replacement is needed. Remember, trying to fix severe issues yourself can sometimes make things worse. It’s often best to call a professional right away if you see significant discoloration or structural changes.

Preventing Future Water Damage

Prevention is always better than cure. Regularly inspect your countertops for any signs of wear or damage. Keep them clean and dry. Address any spills or leaks immediately. Reseal your granite periodically, typically once a year, or more often if you notice it absorbing water.

Regular Maintenance

A good routine cleaning with pH-neutral cleaners will help maintain your granite’s surface. Avoid harsh chemicals that can strip the sealant or damage the stone. Wiping down your countertops after each use is a simple habit that goes a long way.

Sealing Schedule

Don’t wait for problems to arise. Set a reminder to test your sealant every few months. A simple water bead test will tell you if it’s time to reseal. This is a small step that can save you from significant repair costs down the line. Addressing potential drying problems after a leak starts with good preventative care.

Addressing Underlying Issues

If water is constantly pooling, check for underlying issues. Is there a crack in the countertop? Is a faucet leaking slowly? These problems need to be fixed at their source to prevent ongoing damage. This might involve dealing with damage from a slow leak that you hadn’t noticed.

Conclusion

While granite is a strong and beautiful material, it’s not invincible. Standing water can pose a threat, leading to stains, dullness, and in some cases, more significant damage. The key is to be vigilant, clean up spills promptly, and ensure your granite is properly sealed. If you find yourself facing water damage on your granite countertops, or any other property damage after an incident like roof leaks after severe weather or flood risks after heavy storms, remember that South Jordan Damage Restoration Pros is here to help. We understand the stress that water damage can cause and are ready to assist you in restoring your home.

Can granite be permanently stained by water?

Yes, prolonged exposure to standing water, especially if it contains minerals or impurities, can lead to permanent staining or discoloration on granite countertops. The porous nature of granite allows these substances to penetrate the stone if the sealant is compromised. However, many stains can be treated with specific cleaning methods or professional restoration services.

How often should granite countertops be sealed?

Granite countertops typically need to be sealed every 1 to 2 years. The frequency depends on the type of granite, the quality of the sealant used, and the amount of daily wear and tear. A simple water test can help determine if resealing is necessary; if water soaks into the stone instead of beading up, it’s time to reseal.

What are the dangers of ignoring standing water in a home?

Ignoring standing water can lead to serious structural damage, mold growth, and compromised indoor air quality, creating serious health risks. Water can seep into walls, floors, and subflooring, leading to rot and weakening the building’s integrity. Mold spores can spread throughout the home, causing respiratory problems and allergic reactions. It’s important to address standing water immediately to avoid these issues and to ensure when the home is unsafe is not a question you have to ask.

Can water damage spread through granite?

While granite itself is a solid stone, water can spread through its porous structure if not sealed properly. More significantly, water can spread through adjacent materials like grout, caulk, and the sub-surface beneath the granite. This can lead to water damage spreading through materials you might not even see, causing issues like mold and structural weakening.

What is the best way to dry a wet granite countertop?

The best way to dry a wet granite countertop is to immediately wipe up all visible water with a soft, absorbent cloth. Then, use a dry cloth to ensure the surface is completely dry. For areas where water might have seeped into crevices or seams, you can use a hairdryer on a low heat setting to gently encourage evaporation. It’s also important to ensure good ventilation in the area to aid the drying process and prevent hidden moisture behind walls.

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