Masonry Saver (Defy) Extra Stength Solvent

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Defy Extra-Strength Water Sealant is a clear, solvent-based RTV silicone elastomer formulated for concrete block and other marginally porous masonry with minimal altering of the natural appearance. This masonry sealant penetrates and fills pores to prevent water penetration through exterior walls exposed to normal weathering. It has excellent UV stability and provides long-lasting protection.

Defy Extra-Strength Water Sealant is an excellent choice for use over siliconized acrylic concrete stains to insure a water-tight finish. It can also be used on smooth split-faced and ribbed concrete block, concrete brick, and fired brick clay. This silicone brick waterproofing spray is not suitable for many dense masonry and concrete surfaces and will slightly darken and add a slight gloss to the surface being treated. If silicone sealants are what you need for your project, DEFY Extra Strength Water Sealant will get the job done.

DEFY Extra Strength Water Sealant is compatible with most oil-base paints and will cover between 40-80 square feet per gallon depending on surface porosity and texture. Allow 24 hours to develop full, water-resistant properties.

Coverage Rate:
40 - 80 sq. ft. per gallon, depending on surface porosity

Product Data Sheet


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  • We will reply to your comment shortly
    Sara · 08/14/2019
    I would like to seal a brick wall in an addition and use it as a wall in my shower (instead of covering up the brick). Will this work?
    • We will reply to your comment shortly
      The Sealer Store · 08/15/2019
      No, it is not designed for that. We do not have anything that would work for this.
  • We will reply to your comment shortly
    The Sealer Store · 03/27/2012
    This would be a good choice to seal a plain white concrete patio. You could also look at the Defy Heavy Duty Water Repellent ([url][/url])
  • We will reply to your comment shortly
    Edmon Duncan · 03/27/2012
    I have a salt based pool and we need to reseal the concrete deck around our pool without making it slick....we are ok with some color change on the deck apron which is 3 ft wide. Do have any recomendations
Parameters of Product: Concrete and Brick Paver Sealers
Application Method
Pump Sprayer
Interior or Exterior
Your Surface Type
All Surface Types
Defy Sealers
Free Shipping
Available Sizes
5 Gallon
Water or Solvent Based
Water Based
Enhance Look
No Wet Look or Gloss