Masonry Defender MasonryDefender 1 Gallon Penetrating Concrete Sealer for Driveways, Patios, Sidewalks - Clear Water-Based Silane Siloxan
Masonry Defender MasonryDefender 1 Gallon Penetrating Concrete Sealer for Driveways, Patios, Sidewalks - Clear Water-Based Silane Siloxan
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Masonry Defender MasonryDefender 1 Gallon Penetrating Concrete Sealer for Driveways, Patios, Sidewalks - Clear Water-Based Silane Siloxan

Key item features

  • Clear Protection: Provides a long-lasting, non-glossy, invisible coat that will not alter the color or appearance of concrete surfaces, lasting up to 5 years.
  • Water Repellent: This water-based silane/siloxane sealer bonds with concrete minerals, causing water to bead instead of seeping in, offering long-lasting water protection.
  • Powerful Sealer: Protects concrete from pitting, cracking, ice melt salts, chloride ions, freeze-thaw damage, efflorescence stains, and resists mildew and fungus.
  • Easy Application: Apply with a low-pressure pump-up garden sprayer to a clean, dry surface, avoiding puddling. Coverage is 90-150 sq. ft. per gallon.
  • Surface Protection: Protects horizontal, exterior, above-grade concrete surfaces like driveways, patios, and sidewalks, making future maintenance easier.
  • Application Conditions: Apply when air and driveway temperatures are between 40°F and 100°F. Surface dries in 2-6 hours, allow 24 hours before driving.
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Current price is $37.49
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Sold and shipped by Supply the Home
4.309960578186597 stars out of 5, based on 19025 seller reviews(4.3)
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4.7 out of 5 stars
stars23 ratings14 reviews
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Showing 1-3 of 14 reviews

Sep 20, 2025
laura
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Size: 1 gal
Sold and shipped bySupply the Home
5 out of 5 stars review

Verified Purchase

Sealant

I used the product on my painted brick sidewalk.

Incentivized Review
Helpful?4WJO7G2QIHPR987893280
Aug 18, 2023
JimTheDirtFarmer
Sold bySupply the Home
5 out of 5 stars review

Verified Purchase

Good product for the purpose intended

Used to reseal our breezeway carport concrete surface. Used an all purpose cleaner with my pressure washer for prep, and applied sealant with low pressure 2 gallon hand pump. Nothing particularly difficult with the process. Several things I would note with my experience. I purchased the 2.5 gallon container as a better value over 2 single gallons which I estimated was all I would need. In fact, I wound up using every drop of the 2.5 gallons. Used a stiff brush to disperse pooling, but saw a lot of shadow areas appear while at an early stage of drying. Fortunately, when the surface fully dried these shadow areas were gone and I had a consistently clean matt finished lsurface overall, with one exception. A very small prior oil stain in one area, which had not jumped out when prepping or spraying appeared after the surface had fully dried. But that's a quibble. Obviously, this is one of those products that requires the test of time to tell how good it is as a protectant sealant. But for now, I'm happy with the price, the ease of application, and the final appearance.

Helpful?4WJO7G2QIHPR987893280
Aug 5, 2024
Harry
Item details
Size: 2.5 Gallon
Sold and shipped bySupply the Home
5 out of 5 stars review

Verified Purchase

Worked Great on pool deck

Applied to concrete pool deck as a preventative measure for upcoming winter to avoid dirt and such penetrating into concrete requiring powerwashing. Current results - water beads up on treated surfaces (I ordered more). I believe this will have the effect I want next spring. Am buying more to finish the area, I underestimated.

Helpful?4WJO7G2QIHPR987893280