Never Seal Your Wood Deck Again!® The only proven one-time permanent penetrating sealant company with over 15 years experience and 15,000 customers. Seal Smart provides the highest quality solutions for wood, concrete, and masonry. We can protect the integrity of your home or business for years, whether you need sealing services for your deck, driveway, patio, or fireplace. With operations in 10 states, we are looking for team members with the highest level of integrity and customer focus to join our growth!