JAM Sealcoating Inc. is a leading provider of asphalt maintenance services in Portland, Oregon. We specialize in sealcoating, crack sealing, line striping, and asphalt repair for commercial and residential properties. Our experienced team uses only the highest quality products and state-of-the-art equipment to ensure a heavy application that lasts. With a focus on preventative maintenance, we help extend the life of your driveway or parking lot, keeping it looking new and improving its overall condition. By sealing and protecting your asphalt surface, we can prevent costly repairs and premature failure. Our team is well-trained and equipped to handle all types of asphalt maintenance projects, from small driveways to large commercial parking lots. Contact us today to schedule a free estimate and learn more about our services.