Permanent Deck Seal, Wood Sealer, Concrete, Sealant & Masonry Seal Seal Smart provides professional-grade deck sealer for wood, concrete and masonry. We can protect the integrity of your home or business for years with our wood sealer, deck sealer or masonry sealants. Our sealants work on your deck, driveway, patio, chimney, or building. Our Kansas City Services Seal Smart is a trusted provider of complete, permanent sealing services for wood, concrete, and masonry surfaces, including decks, patios, chimneys, pools, foundations, sidewalks, and parking lots.