Encore SealBack Nano-Particle Clear Sealer

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SealBack is a low VOC clear acrylic sealer that is formulated with a proprietary blend of nano-particles. Each gallon of this remarkable product contains trillions of nano-particles that protect surfaces from the sun, rain, snow, and dirt buildup. SealBack can be used to treat soft and hardwood decking, composite decking, concrete surfaces, patios, sidewalks, and most vertical surfaces. For best results, apply one or two thin coats. Sold in 1/2 gallon container. Coverage: Up to 800 square feet (1 coat). Actual coverage will vary based on substrate type and condition.

The best clear sealer available thinks small

A nanometer is one billionth of a meter. A nano-particle is classified as any particle under 40 nanometers. A 40nm particle is 1,000 times smaller than a human hair. SealBack is a low VOC clear acrylic sealer that contains trillions of nano-particles per gallon. The blend of particles come together to provide excellent protection against UV, water, abrasion, and dirt. This one-of-a-kind product is an Encore exclusive.

Protection from UV

While other clear sealers allow UV to penetrate and grey the wood or coating below, SealBack’s proprietary formula blocks UV and preserves the beauty of what it’s protecting. It’s also resistant to yellowing, which often happens to other sealers.


SealBack’s chemistry modifies the surface to which it’s applied and prevents airborne dirt and dust particles (caused by lawn mowers, wind, etc.) from attaching. With each rainfall, the surface is cleansed. (Note: Stains caused from leaf tannins and other foreign materials will not self-clean, but can be removed with normal cleaning.)

Easy to Apply

Sealback’s water-based chemistry is designed to penetrate into porous substrates and provide years of protection against the sun and rain. SealBack will dry within minutes allowing a second coat (if desired) to be applied. On softwoods, such as Southern Yellow Pine, thin coats of SealBack should be applied until water repellency is active on the surface (test for this by pouring a small amount of water in random areas after the SealBack has had 30 minutes to dry).

Product Uses:

  • Ipe, Mahogany, and other hardwood decking and vertical surfaces
  • Treated lumber decking
  • Pavers
  • Masonry surfaces (horizontal or vertical)
  • Concrete (non-vehicular)
  • Spanish tile roofing
  • Fiberglass and wood doors
  • Wood and synthetic siding