Seal-Once Nano+Poly Penetrating Wood Sealer with Polyurethane - Premium Waterproof Sealant - 1 Gallon & Clear

Our NANO + POLY Marine NANO Exotic NANO + POLY Concrete and Masonry Sealer Multi-Surface Concentrate offers exceptional protection against wear and tear in high-traffic areas. This water-based polyurethane wood finish is odorless and ideal for use on wood siding, log homes, swing sets, outdoor furniture, wooden decks and fences, and more.

Unlike many sealers that only form a topcoat, our wood sealant penetrates below the surface to create a long-lasting, water-resistant shield around the wood. Our premium gloss is ultra-low VOC and great for enhancing the extended life of your exterior flooring. This sealant can be safely applied around your home, landscaping, vegetation, or over any water area.

Ditch the oil-based sealers and choose our UV-stable, waterproof coating option. Our fast-drying liquid creates a flexible, breathable barrier and provides a no-fuss, easy clean-up with soap and water, allowing the wood to grey naturally.

Our user-friendly wood sealers and stains are an effective way to protect your lumber or concrete against water damage. When you use Seal-Once, you have the satisfaction of knowing our products will not harm pets, plants, or people.

The NANO + POLY Marine NANO Exotic NANO + POLY Concrete and Masonry Sealer Multi-Surface Concentrate is available in a variety of colors, including Clear, Black, Bronze Cedar, Brown, Cedar, Coastal Gray, Light Brown, Mohogany, Natural, and Redwood. The product has a 4.4 out of 5 star rating from 955 customers.

The NANO + POLY Concrete and Masonry Sealer Multi-Surface Concentrate is recommended for use on fences, wood siding, log homes, shake roofs, thermally modified wood, outdoor furniture, swing sets, pergola, shakes, and decks. It has a 4.4 out of 5 star rating from 372 customers.

The NANO Exotic NANO + POLY Concrete and Masonry Sealer Multi-Surface Concentrate is recommended for use on exotic woods/hardwood decking and thermally modified wood. It has a 4.1 out of 5 star rating from 110 customers.

The NANO + POLY Marine NANO Concrete and Masonry Sealer Multi-Surface Concentrate is recommended for use on brick/masonry, bricks, pavers, and concrete patios. It has a 4.3 out of 5 star rating from 71 customers.

All of our sealers have a water-based formula, a surface dry time of 2-4 hours, and a full cure time of 12-48 hours depending on temperature and humidity. They provide an approximate coverage of 150-300 square feet per application.

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