Chamberlain 8810CB 10-Foot Belt Drive Garage Door Opener Extension Kit, Compatible with Whisper Drive and Whisper Drive Plus Models, Includes Rail . Buy Chamberlain 7710CB 10-Foot Chain Drive Garage Door Opener Extension Kit, Compatible with Chamberlain Chain Drive Models, Includes Rail Extension . Browse the full line of Linear Pro Access residential garage door opener rails. . CHCR-10 10-foot Carriage House Conversion Rail. Part Number: CHCR-10 Purchase a dual lamp garage door opener today. . or in residential applications with heavy carriage house style garage doors. . or chain-drive rail systems in 7-foot, 8-foot, and 10-foot lengths (10-foot rails available in chain-drive only). Fully open garage doors up to 10 ft. high; Quick-install rail system; Ultra-quiet whisper drive Controlled Ultra-Quiet and Strong Belt Drive Garage Door Opener. Chamberlain 1/2 HP Heavy-Duty Chain Drive Garage Door Opener with MED Lifting Power Chamberlain Heavy Duty Chain Drive Rail Extension Kit for 10 ft. The Lanier residential garage door openers are quite, energy efficient, and . Linear Residential Operators – M 10-foot Carriage House Conversion Rail. A garage door opener gives you easy, illuminated access to your home and can improve . If your garage is detached from the house, noise may not be a concern, but if the . Rail segments are typically sized for garage doors up to 7 feet tall.