An Honest Review of DuPont StoneTech BulletProof Sealer

LAST UPDATED: Aug 03, 2020 | PUBLISHED: Sep 24, 2017 | By: Julie Blanner

The details of DuPont StoneTech BulletProof Sealer and the 25 year warranty…

how to protect marble from stains

Having used marble in our previous kitchen, we weighed the options and my love for the soft, natural stone and decided to once again install marble in our new kitchen. I could go on and on about my love for marble, but there’s one thing I don’t particularly care for – the oil stains.

We experienced oil stains in the kitchen at our previous home and after talking with the fabricator, weren’t sure if the marble was sealed and hoped that was why. Still, I could embrace a few oil stains for the soft aesthetic and natural material.

how to protect marble from stains

Upon installation, we had our counters sealed with another brand. On day one, one of the girls {I won’t name any names} broke them in by splattering candle wax {that’s saturated in oil} on the counters. I gasped.

I reminded myself that we had promised to embrace any and all imperfections. The fabricators came and applied a pumice, but much to my dismay that only expanded the splatter oil stains to a large 15 x 12″ stain where it was applied.

We took a deep breath and decided to move forward, paying an additional $900 to have the marble countertops sealed with DuPont StoneTech BulletProof Sealer which comes with a 25 year residential warranty. Worth it, right?

While it claims to protect against oils, it doesn’t. Am I mad about it? No, we had decided it was worth the investment just in case. Will I claim the warranty? No. Who wants to have their countertops ripped out every other week?

Yes. The marble countertops are still very susceptible to oil stains. 99% of the time we’re not even sure where they come from because we wipe the counters frequently, especially immediately after use. {Taken with really low exposure to better show oil stains}.

dupont stonetech bulletproof sealer

I turned to the StoneTech Revitalizer Cleaner and Protector for Natural Stone Countertops and Surfaces that comes with it, followed the instructions to no avail. 

dupont stonetech bulletproof sealer

The bottom line? Save $900 and just embrace your marble and it’s imperfections. It ages so gracefully and is the sign of a working kitchen filled with love.

does marble sealer work

*note the warranty only applies when it is being applied by a fabricator, you can purchase the sealer and cleaner here.

You can read more about our kitchen remodel here!


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