how to seal marble dining table

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Marble is a beautiful natural stone that can be used in a variety of ways, including as a dining table surface. However, it is also softer and more porous than other types of stone, meaning it requires more maintenance and care to avoid damage. One essential step in protecting a marble dining table is sealing it, so that it is less vulnerable to stains and scratches.

Step 1: Clean the surface

Before sealing your marble table, it's important to ensure the surface is clean and free of any dirt, grime, or stains. Start by wiping the table down with a damp cloth or sponge and a pH-neutral cleaner specifically designed for marble surfaces. Be sure to avoid using any acidic or abrasive cleaners that could damage the marble. Once the table has been thoroughly cleaned, make sure it is completely dry before moving on to the next step.

Step 2: Choose a sealer

Next, select a high-quality sealer specifically designed for marble surfaces. There are two main types of sealers: topical and penetrating. Topical sealers create a protective layer on top of the marble surface, while penetrating sealers soak into the marble to create a barrier. Penetrating sealers are generally considered to be the better option, as they offer more protection and last longer. However, topical sealers may be more suitable for certain types of marble or for tables that are frequently used or exposed to spills and stains.

Step 3: Apply the sealer

Once you've chosen a sealer, it's time to apply it to your marble table. Start by pouring a small amount of sealer onto the surface of the table, then use a paintbrush or roller to spread it evenly over the entire surface of the table. Be sure to apply the sealer in a well-ventilated area and wear gloves to protect your hands. Once the sealer has been applied, allow it to sit for the recommended amount of time (typically 10-15 minutes) before wiping away any excess sealer with a clean, dry cloth.

Step 4: Repeat as necessary

Depending on the type of sealer you've chosen, you may need to apply multiple coats to fully seal your marble table. Follow the manufacturer's instructions for how many coats are necessary, and be sure to allow each coat to dry completely before applying the next one. Once you've finished applying the sealer, allow the table to dry completely (usually 24-48 hours) before using it.


Sealing your marble dining table is an important step in maintaining its beauty and protecting it from damage. By following these simple steps, you can ensure your table stays looking its best for years to come. Remember to clean the surface thoroughly, choose a high-quality sealer, apply the sealer carefully, and repeat as necessary for maximum protection. With a little bit of effort and care, your marble dining table will remain a stunning and functional centerpiece in your home.


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