Cannonball® 8 ft Vertical Side Rail, For Use With KWIK FRAME Sliding Door Systems

The Cannonball® Side Rail is designed to provide proper alignment and lateral support for sliding door systems in agricultural and commercial building applications. Engineered to keep doors tracking smoothly, this side rail helps prevent sway, reduce wear, and ensure consistent door operation over time.

Built for durability in demanding environments, the Cannonball side rail is ideal for use on barns, livestock buildings, and utility structures. Its rugged construction supports long-term performance while helping protect rollers, tracks, and door frames from unnecessary stress.

Whether used in new construction or as a replacement component, the Cannonball Side Rail is a dependable solution for maintaining smooth, controlled sliding door movement.

• 2-1/2 in W is 20% stronger than most 1-1/2 in systems
• 2-1/2 in W with slot to fit 2 x 4 wood or metal girts
• 20% stronger than most 1-1/2 in systems