1. Product Overview
This manual provides detailed instructions for the installation, operation, and maintenance of your JUBEST 8FT Box Rail Exterior Barn Door Hardware Kit. This heavy-duty system is designed for exterior applications, offering a robust and smooth sliding solution for barn doors.
Key Features:
- Heavy Structure: Engineered with industrial-grade roll-formed galvanized steel, tested for over 50,000 cycles. Supports doors up to 450 lbs and door panels 1-3/8" to 1-3/4" thick. Corrosion-resistant galvanized coating ensures durability in outdoor conditions.
- Weatherproof & Smooth-Gliding: Features precision double-axis steel rollers and a reinforced barn door track for quiet, frictionless operation. Heavy-duty end caps provide protection against weather damage.
- Easy to Install: Includes all necessary components for DIY setup. Pre-drilled holes and a universal design accommodate standard door widths up to 48 inches. No specialized tools are required.


2. Package Contents
Please verify that all components listed below are present in your package. If any parts are missing or damaged, please contact customer service.
- 2 x 48" Track sections
- 2 x Track end caps
- 5 x Track brackets
- 2 x Hangers with door strap
- 1 x Galvanized steel floor guide
- 2 x Stoppers
- Step-by-step instructions (this manual)
- Mounting hardware (screws, bolts, etc.)
Note: The door panel and handle are NOT included with this hardware kit.

3. Specifications
| Attribute | Specification |
|---|---|
| Brand | JUBEST |
| Model Number | TSQAL11-8FT-B |
| Size | 8FT (96 inches) |
| Color | Black |
| Material | Galvanized Steel |
| Item Weight | 18 Pounds |
| Maximum Door Weight Capacity | 450 lbs |
| Compatible Door Thickness | 1-3/8" to 1-3/4" |
| Maximum Door Width | 48 inches |
| Assembly Required | Yes |

4. Safety Information
Please read and understand all safety warnings and instructions before beginning installation. Failure to follow these instructions may result in injury or property damage.
- Always wear appropriate personal protective equipment (PPE), such as safety glasses and gloves, during installation.
- Ensure the mounting surface (wall) is structurally sound and capable of supporting the combined weight of the door and hardware. Consult a professional if unsure.
- Use a stud finder to locate wall studs for secure mounting of the track brackets.
- Do not exceed the maximum door weight capacity of 450 lbs.
- Keep children and pets away from the work area during installation.
- Periodically inspect the hardware for loose fasteners or signs of wear.
5. Installation Instructions
This section outlines the general steps for installing your JUBEST barn door hardware kit. Refer to the included step-by-step instructions for detailed diagrams and measurements specific to your setup.
Required Tools (Not Included):
- Drill
- Measuring Tape
- Level
- Pencil
- Wrench/Socket Set
- Stud Finder
Installation Steps:
- Prepare the Door: Ensure your door panel meets the specified thickness (1-3/8" to 1-3/4") and maximum width (48"). Attach the door straps to the top edge of your door panel according to the instructions.
- Mark Track Position: Determine the desired height for your barn door. Measure and mark the mounting points for the track brackets on your wall, ensuring they align with wall studs for maximum support. Use a level to ensure the marks are perfectly horizontal.
- Install Track Brackets: Drill pilot holes at the marked locations. Securely fasten the track brackets to the wall using the provided mounting hardware.
- Assemble and Mount Track: Connect the two 48" track sections if necessary, then carefully lift and attach the assembled track to the installed brackets. Ensure all connections are tight and secure.
- Install Door Stoppers: Slide the door stoppers onto the track at the desired positions to prevent the door from sliding too far. Adjust their placement to control the door's travel range.
- Hang the Door: Carefully lift the door panel and hook the door straps onto the track rollers. Ensure the door hangs freely and smoothly.
- Install Floor Guide: Position the galvanized steel floor guide at the bottom of the door opening to prevent the door from swinging out. Secure it to the floor. This guide does not require drilling holes into the floor.
- Final Adjustments: Test the door's movement. Make any necessary adjustments to the stoppers or floor guide to ensure smooth and safe operation.


6. Operating the Barn Door
Once installed, your barn door will operate by sliding along the track. The precision double-axis steel rollers ensure a smooth and quiet movement.
- To open or close the door, gently push or pull the door panel along the track.
- The installed stoppers will limit the door's travel at both ends of the track.
- Avoid forcing the door if it encounters resistance. Inspect the track and rollers for any obstructions.

7. Care and Maintenance
Regular maintenance will ensure the longevity and optimal performance of your barn door hardware.
- Cleaning: Wipe down the track and rollers periodically with a damp cloth to remove dust and debris. Avoid abrasive cleaners that could damage the finish.
- Lubrication: Apply a silicone-based lubricant to the rollers and track occasionally to maintain smooth operation, especially in outdoor environments.
- Inspection: Regularly check all screws, bolts, and fasteners to ensure they are tight. Re-tighten any loose components. Inspect the track and rollers for any signs of wear, damage, or corrosion.
- Environmental Protection: While the galvanized steel is corrosion-resistant, extreme weather conditions may still affect the finish over time. Consider additional protective measures if exposed to harsh elements.
8. Troubleshooting
This section addresses common issues you might encounter with your barn door hardware.
| Problem | Possible Cause | Solution |
|---|---|---|
| Door does not slide smoothly or makes noise. |
|
|
| Door swings away from the wall at the bottom. | Floor guide is not installed or improperly positioned. | Ensure the galvanized steel floor guide is correctly installed and adjusted to secure the bottom of the door. |
| Door hits the wall or frame at the ends. | Stoppers are not installed or incorrectly positioned. | Adjust the position of the door stoppers on the track to prevent the door from hitting the wall or frame. |
| Hardware appears to be rusting (minor surface rust). | Exposure to moisture or harsh elements, especially if the galvanized coating is scratched. | Clean the affected area and apply a rust-inhibiting paint or coating. Ensure proper maintenance as described in Section 7. |
9. Warranty and Customer Support
JUBEST is committed to providing quality products and excellent customer service. Your hardware kit is manufactured to high standards and designed for durability.
- For any quality problems, missing parts, or installation issues, please do not hesitate to contact our professional customer service team.
- Our customer service team is available online to assist you with any inquiries or concerns.
Contact Information:
- Please refer to the contact details provided on your purchase receipt or the official JUBEST website for the most current support information.