Seal Once Eco Friendly Nano Guard Plus Poly Wood Stain is one of the only green stain/sealers on the market formulated for exterior/interior. Seal-Once seals and protect for up to 10 years on vertical surfaces and 6 years on horizontal!
Seal Once Eco Friendly Nano Guard Plus Poly Wood is a water-based, eco-friendly sealer that will not harm pets, plants fish or livestock, and is safe for application around and over fresh and salt water.
Seal Once Eco Friendly Nano Guard Plus Poly Wood penetrates to protect against water damage from the inside-out. It forms a long-lasting water resistant shield around the wood fibers, preventing rot, decay, mold and mildew. It also provides wood stability, eliminating warping and cupping.
The nano particles in Seal Once penetrate through the poly blended product into the wood and waterproofs wood equally as well as applying the Seal Once Nano Guard formula without the polyurethane. By adding the polyurethane to the Seal-Once, the stains overall performance improves.