Upgrade your garage with the 18 FT. X 8 FT. Model 510(non-insulated) or Model 511(insulated 6.5R Value) Complete Garage Door. This is perfect for those looking for a simple, classic design with no windows. The complete door comes with all the necessary hardware, including springs and track, for easy installation. The durable construction and crisp white color ensure this garage door will provide long-lasting functionality and curb appeal. Trust in the quality and reliability of this garage door for your home or business.