1. Introduction and Product Overview
This manual provides detailed instructions for the assembly, operation, and maintenance of your JUBEST 42in x 84in DIY Glass Sliding Barn Door, Model KDA04. Please read all instructions carefully before beginning assembly or use to ensure safe and proper installation.
The JUBEST sliding barn door is designed to offer a modern and elegant solution for various interior spaces. It features a sturdy aluminum frame and clear tempered glass panels, allowing natural light to pass through while providing a distinct aesthetic.

Image 1.1: The JUBEST 42in x 84in DIY Glass Sliding Barn Door installed in a home setting.
2. Safety Information
Always prioritize safety during assembly and use. Failure to follow these safety guidelines may result in injury or damage to the product.
- Glass Handling: Tempered glass is strong but can break if impacted at the edges. Handle glass panels with care and wear appropriate protective gloves and eyewear.
- Weight: The assembled door is heavy (approximately 60 pounds). It is recommended to have at least two people for assembly and installation to prevent injury.
- Hardware: This product includes the door panel only. Ensure you use compatible and appropriately rated sliding barn door hardware (sold separately) for safe and secure installation.
- Tools: Use the correct tools for each step as specified in the assembly instructions.
- Mounting Surface: Ensure the wall or frame where the door will be installed is structurally sound and capable of supporting the door's weight and dynamic forces during operation.
3. Package Contents
Before beginning assembly, verify that all components listed below are present and undamaged. If any parts are missing or damaged, please contact JUBEST customer service.
Image 3.1: Exploded view and list of components included in the package.
The package typically includes:
- Aluminum Frame Sections (various lengths)
- Tempered Clear Glass Panels (4 pieces)
- U-shape Strips
- Metal Screws (M4x30, M5x30)
- Decorative Cover Pieces
- Sealing Pieces
- Hex Key
- Floor Guide (for door stability)
Note: Sliding barn door hardware (track, hangers, handle) is not included with this door panel and must be purchased separately.
4. Assembly Instructions
Follow these steps carefully to assemble your JUBEST glass sliding barn door. It is recommended to perform assembly on a clean, flat, and protected surface.
Step 1: Assemble the Frame
- Identify the various aluminum frame sections (A, B, C, E, F, G, H, I, L) as per the package list diagram.
- Connect the vertical frame sections using the provided connectors and screws. Ensure all connections are secure.
- Insert the U-shape strips (A, B, C) into the designated grooves of the frame sections.
Step 2: Install Glass Panels and Secure Frame
- Carefully slide the tempered glass panels into the frame grooves. Ensure they are seated properly.
- Secure the glass panels within the frame using the M4x30 screws. Tighten all frame screws to lock the glass and frame components together.
- Attach the decorative pieces of spacers (I) on both sides of the glass panels and adjust them as needed.
Step 3: Install Decorative Covers and Sealing Pieces
- Install the decorative covers (G) and sealing pieces (D) into their respective positions on the frame. Use ST3x14 screws where indicated.
- Ensure all covers and seals are flush and securely fitted to complete the door panel assembly.
Step 4: Install the Floor Guide
- Determine the optimal position for the floor guide to ensure smooth and stable door operation. Mark the drilling points on the floor.
- Drill pilot holes using a 5/16" (Ø8) drill bit to a depth of 1 3/16" (30mm).
- Secure the floor guide to the floor using the provided screws.
Video 4.1: An instructional video demonstrating the assembly process for the glass barn door. This video provides a visual guide to complement the written steps.
Image 4.2: The customizable design allows for various panel configurations by adjusting the decorative strips.
5. Operating Instructions
Once the JUBEST glass sliding barn door is fully assembled and installed with appropriate hardware (not included), operating it is straightforward.
- Opening/Closing: Gently push or pull the door panel along the installed track. The door should slide smoothly and quietly.
- Floor Guide: The floor guide prevents the door from swinging out from the wall, ensuring stable movement.
- Handles: If a handle is installed (sold separately), use it to facilitate opening and closing.
Image 5.1: The door is suitable for various applications including living rooms, kitchens, bedrooms, and storage rooms.
6. Maintenance
Regular maintenance will help preserve the appearance and functionality of your JUBEST sliding barn door.
- Cleaning Glass: Use a soft, lint-free cloth and a non-abrasive glass cleaner to clean the tempered glass panels. Avoid harsh chemicals that could damage the glass or frame.
- Cleaning Frame: Wipe the aluminum frame with a soft, damp cloth. For stubborn dirt, a mild soap solution can be used, followed by wiping with a clean, damp cloth.
- Hardware Maintenance: Periodically check the sliding hardware (track, hangers, floor guide) for any signs of wear or looseness. Lubricate the track and rollers as recommended by the hardware manufacturer to ensure smooth operation.
- Inspection: Regularly inspect all screws and connections to ensure they remain tight. Tighten any loose fasteners as needed.
7. Troubleshooting
This section addresses common issues you might encounter with your JUBEST sliding barn door.
| Problem | Possible Cause | Solution |
|---|---|---|
| Door does not slide smoothly. | Dirty track, worn rollers, misaligned track, loose floor guide. | Clean the track, inspect and replace worn rollers, adjust track alignment, tighten floor guide. |
| Door swings away from the wall. | Loose or improperly installed floor guide. | Ensure the floor guide is securely fastened and correctly positioned. |
| Glass panels appear loose. | Frame screws are loose. | Gently tighten the M4x30 screws securing the glass panels within the frame. Do not overtighten. |
| Door is difficult to assemble. | Incorrect part orientation, insufficient force, missing tools. | Refer to the assembly video and diagrams. Ensure parts are correctly oriented before applying force. Use the provided hex key. |
8. Specifications
Detailed specifications for the JUBEST 42in x 84in DIY Glass Sliding Barn Door, Model KDA04.
- Model: KDA04
- Dimensions (Width x Height x Thickness): 42 inches x 84 inches x 1-9/16 inches
- Material: Aluminum (frame), Tempered Clear Glass (panels)
- Weight: Approximately 60 pounds
- Assembly Required: Yes
- Glass Type: 4-Lite Clear Tempered Glass, explosion-proof and scratch-resistant
- Frame Features: Anti-rust and corrosion-resistant aluminum, mitered panels for snug fit
Image 8.1: Detailed dimensions of the JUBEST 42in x 84in door panel.
Image 8.2: The door features CE certified tempered glass for high hardness, anti-scratch, and wear resistance.
9. Warranty and Support
JUBEST is committed to providing quality products and customer satisfaction. For any quality problems, missing parts, or installation issues, please contact our professional customer service team. They are available to assist you.
- Returns: This product is eligible for 30-day easy returns.
- Customer Service: Refer to your purchase documentation or the JUBEST brand store for contact information.





