Seal-Once Nano Guard premium wood sealer deeply penetrates the surface to protect and stabilize wood against weather and caustic conditions. This formula uses proprietary nano-polymers to create a long-lasting flexible breathable barrier by coating the wood fibers at the cellular level to provide protection from the inside out. This clear non-film forming nano guard premium wood sealer allows the wood to age naturally without decay, morphing to a rich silver-gray over time.
