marble water sealer 40 oz – a water-base sealer in our largest size, built for whole-house jobs and professional use.
Use the 40 ounce Marble Guard Protector (WB) to safely seal marble. This water-based marble sealer also works as a granite sealer, or for protecting stains on travertine, terrazzo, limestone, and other natural stones.
Marble Guard Protector WB works best on unpolished marble, such as, honed finished and tumbled finished (textured) marble. Marble Guard Protector SB (solvent base) works best on polished marble (shiny, high gloss finish); Marble Guard Protector SB penetrates deeper into the pores of polished marble than Marble Guard Protector WB.
Product Facts
Now you can seal your marble like a Professional.
our finest hotels, professional marble care companies, builders, general contractors, tile and stone installers, for their marble care use Marble Guard Protector (WB) routinely, to seal marble.
This versatilve marble sealant also works great as a granite sealer. Additionally, you can use this sealer for sealing limestone, travertine, terrazzo, other natural stones.
This water based marble sealer is unsurpassed for performance and durability. Marble Guard Protector is quick and easy to use.
Marble Guard Protector is economical to use, 40 ounces seals up to 1000 square feet of marble.
What a marble water sealer 40 oz is protecting against
Marble is calcium carbonate with a porous structure that can absorb oil, wine, and other liquids over time, leaving dark stains that surface cleaning can’t remove. A marble water sealer 40 oz penetrates into those pores and cures there, so liquids bead on the surface instead of soaking in. Our water-base formula is low-odor and easy to apply indoors without heavy ventilation.
Why the 40 oz size
At 40 oz, this is the size for multiple kitchens, a full countertop renovation, or professional sealing jobs – anywhere a smaller bottle would run out mid-project.
Applying the marble water sealer 40 oz
Clean and dry the marble fully first, apply an even coat, let it penetrate for the recommended time, then wipe away any excess before it dries on the surface. A second coat is often worth it on heavily-used counters or floors.
Keeping marble sealed
Wipe up oil, wine, and acidic spills promptly even on sealed marble – sealer slows absorption, it doesn’t make the stone stain-proof or etch-proof indefinitely. Test with a few drops of water every year or so: if it stops beading, it’s time to reseal.
marble water sealer 40 oz questions we get asked
Does sealing prevent etching? No – sealer protects against staining from absorbed liquids, but acid etching is a surface reaction that sealer doesn’t block. A separate polish restores etched areas.
How long does a coat last? Most marble holds a seal for 1-2 years under normal kitchen use before it needs reapplying.
Water-base or solvent-base – which should I use? Water-base formulas like this one are low-odor and easy to apply indoors, while solvent-base sealers often penetrate deeper for professional use.
For an independent explanation of stone care fundamentals, the Natural Stone Institute’s care guide is a good outside reference.
Choosing the right marble water sealer 40 oz coverage
Professionals stocking up for multiple jobs, or homeowners sealing an entire kitchen and bath package at once, get the best value from the marble water sealer 40 oz size rather than buying several smaller bottles. It’s also the practical choice for larger marble floors, where smaller sizes would mean stopping mid-project to reorder.
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