Your Trusted Garage Door Bumper Supplier
KOP DOOR is a professional supplier of full-set garage door hardware. Our garage door spring bumpers stand out with strong bearing capacity, anti-rust performance and stable buffer rebound. Designed specially for limiting and cushioning sectional overhead garage doors, they effectively absorb impact force when doors fully open, prevent cable slipping, track deformation and over-travel damage while lowering operating noise remarkably.
Our bumpers extend the service life of torsion springs, door openers and all matching hardware for both household and commercial garage projects. We support customized services, our aim is building long-term win-win partnerships with global distributors and expand market share together.
Garage Door Bumpers
- Leaf Spring Bumpers
- Fasteners and brackets
- Each leaf spring bumper is molded with a thick center rib (plastic or steel) to boost structural rigidity
Exceptional Shock Absorption
Manufactured from high-tensile carbon steel with high-density rubber compounds, the garage door bumpers keep consistent buffer elasticity under high and low temperatures, won’t deform or lose rebound force after tens of thousands of opening & closing cycles. Solid integrated structure resists rain, humidity and coastal salt air without rusting, ensuring long-term reliable performance.
Straightforward Mounting
Most garage door bumper models have pre-drilled holes or high-ptrength adhesive options plus included fasteners. Simply position the garage door bumper at the contact point, fix it firmly with screws or peel-and-stick application, and the installation is complete in minutes with basic tools.
Flexible Customization
As an experienced supplier, KOP DOOR supports tailored production to fit different garage door configurations. Choices include:
- Length: 15” and 27”
- Travel: 6” & 15”
- Color & Finish: Zinc plated or powder coating
- Stainless steel spring bumpers can be customized for damp environment.
Long Service Life
Carbon steel spring bumper: Service life up to 15,000–25,000 cycles.
Upgrade stainless steel spring bumper: Service life reaches 40,000–60,000 cycles, ideal for coastal & high-frequency usage.
Our spring bumpers are universally designed for most residential & commercial sectional overhead garage doors, matching standard vertical track systems from mainstream American, European garage door brands.
Our garage door bumpers come with a 5-year warranty.
Clean the mounting surface thoroughly, align the bumper at the intended contact point, and fasten with screws contained. Adjust the position as required for full engagement. Professional installation is advised for track-mounted or heavy-duty applications. Adjust the height or position as needed to ensure a secure fit. For rail mounting or heavy-duty applications, installation by a professional is recommended.
Yes. Formulated for outdoor and high-traffic conditions, they can withstand extreme weather, high humidity, and everyday wear and tear, this making them suitable for both residential and commercial garages.
If confirmed factory defects occur after receiving goods, we support free replacement or make up defective quantity in your next bulk order.