Defy Composite Deck Waterproofing Sealer


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  • Item #: DEF-COMP
  • Manufacturer: Defy
  • Manufacturer’s Product Number: DEF-COMP
    • $


DEFY Composite Deck Waterproofing Sealer is an extremely durable clear finish that helps prevent the return of black stains on composite decks as well as protect against the damaging effects of water, fungi, and UV radiation on composite wood surfaces. This V.O.C. compliant, water-based product is fortified with zinc nano-particles, a natural deterrent to recurring black algae stains. There are over 30 TRILLION of these zinc nano-particles per square inch that protect your composite wood by blocking out the sun’s harmful UV rays, helping protect your composite deck from color fade, moisture and fungal growth.

DEFY Composite Deck Waterproofing Sealer can be applied to all natural and composite wood surfaces.

DEFY Composite Deck Waterproofing Sealer contains zinc nano-particles that reflect the damaging Ultraviolet Rays from the sun. When you reduce the size of these zinc particles down to the nano level, they become invisible to the naked eye. These nano-particles are distributed at a rate of over 30 trillion per square inch of surface area to provide protection from the sun in much the same way as they do when used in sun blockers and sunscreen lotions. Not only will this help with prolonging the graying, but the nano-particles are highly resistant to mold and mildew, enabling you to retain the natural color.

DEFY Composite Deck Waterproofing Sealer is available in a crystal clear finish.

DEFY Composite Deck Waterproofing Sealer Uses

DEFY Composite Deck Waterproofing Sealer is designed to be used on exterior surfaces including:

  • composite decks
  • all natural wood surfaces

Before using DEFY Composite Deck Waterproofing Sealer, clean the deck with DEFY Composite Deck Cleaner. This will generally clean and restore previously treated surfaces to their original appearance. The surface should be recoated when graying initially starts to appear.


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