JOYMOR MTBB
JOYMOR Twin Over Twin Metal Bunk Bed User Manual
Model: MTBB
1. Product Overview
The JOYMOR Twin Over Twin Metal Bunk Bed is designed to provide a safe and space-saving sleeping solution for children and teens. This low-profile bunk bed features a sturdy metal frame, integrated safety guardrails, and a built-in ladder. It is suitable for shared rooms, guest rooms, or smaller living spaces.
- Safety-First Design: Features a 13-inch high iron guardrail to prevent falls and a built-in ladder with optimized spacing for secure climbing.
- Space-Saving Solution: Compact footprint (78"L x 41"W x 54"H) maximizes room space, ideal for shared kids' rooms or small apartments.
- Heavy-Duty Iron Frame: Crafted from robust metal for superior stability and long-lasting support.
- No Box Spring Needed: Heavy-duty metal slats provide ample support for mattresses.

Image 1.1: The JOYMOR Twin Over Twin Metal Bunk Bed in black, set up in a child's bedroom.
2. Safety Information and Warnings
Please read and understand all safety information before assembly and use of the bunk bed. Failure to follow these warnings can result in serious injury.
- ASTM F1427-21 Certified: This bunk bed meets rigorous U.S. safety standards.
- Weight Capacity: The sturdy 20-slat structure supports up to 350 lbs per bunk. Do not exceed this weight limit.
- Guardrails: The top bunk features a 13-inch high iron guardrail. Ensure guardrails are always properly installed and secured.
- Mattress Thickness: Recommended mattress thickness is 4–6 inches. The upper bunk mattress must sit at least 5 inches below the top of the guardrail for safety.
- Anti-Tipping Kit: An anti-tipping device is included. It is highly recommended to attach the bunk bed to the wall using this device for added stability and safety.
- No Jumping: Do not jump on the bed.
- Ladder Safety: Ensure the ladder is securely attached before climbing.

Image 2.1: Illustration of the 13-inch full-length guardrail on the top bunk, emphasizing safety.

Image 2.2: Detail showing the rounded edges for safety and a diagram illustrating the installation of the anti-tipping kit.
3. Setup and Assembly
Assembly of the JOYMOR Bunk Bed is designed to be quick and easy. Two people are recommended for efficient assembly. All necessary tools and parts are included in the package.
3.1. Before You Begin
- Unpack all components and verify against the parts list in your included installation manual.
- Ensure you have enough clear space for assembly.
- Keep children and pets away from the assembly area.
3.2. Assembly Steps
Follow the detailed instructions provided in the physical installation manual that came with your bunk bed. Key steps typically include:
- Assemble the bed frames for both the upper and lower bunks.
- Attach the support slats to each frame.
- Connect the upper and lower bunk frames using the vertical support posts.
- Install the safety guardrails on the top bunk.
- Attach the ladder. The ladder is movable and can be placed on either the left or right side of the bed to suit your room layout.
- Secure the bunk bed to the wall using the provided anti-tipping kit.

Image 3.1: Illustration demonstrating the flexibility of placing the ladder on either the left or right side of the bunk bed.

Image 3.2: The JOYMOR bunk bed frame fully assembled, ready for mattresses.
4. Operating Instructions
Using your JOYMOR Bunk Bed is straightforward once assembled. Ensure all safety guidelines are followed during daily use.
4.1. General Use
- Place appropriate size mattresses (Twin) on both the upper and lower bunks. Remember the recommended thickness for the upper bunk (4-6 inches).
- Ensure the ladder is stable and securely hooked before climbing to the top bunk.
- The low-profile design of the bottom bunk makes it easily accessible for younger children.

Image 4.1: The low-to-the-ground design of the bottom bunk, facilitating easy access.
5. Maintenance and Care
Proper maintenance will ensure the longevity and continued safety of your bunk bed.
- Cleaning: Wipe the metal frame with a dry cloth to remove dust and dirt. Avoid abrasive cleaners or harsh chemicals that could damage the finish.
- Regular Checks: Periodically check all bolts and connections to ensure they remain tight. Retighten if necessary.
- Guardrails: Ensure guardrails are always securely in place.
6. Troubleshooting
This section addresses common issues you might encounter with your bunk bed.
| Problem | Possible Cause | Solution |
|---|---|---|
| Bed feels wobbly or unstable. | Loose bolts or connections; bed not secured to wall. | Check and tighten all bolts. Ensure the anti-tipping kit is properly installed and secured to a wall stud. |
| Squeaking noises. | Loose connections or friction between metal parts. | Tighten all bolts. Apply a small amount of silicone lubricant to connection points if squeaking persists. |
| Ladder feels insecure. | Ladder not properly hooked or secured. | Ensure the ladder hooks are fully engaged with the bunk bed frame. |
7. Specifications
| Feature | Detail |
|---|---|
| Brand | JOYMOR |
| Model Number | MTBB |
| ASIN | B0FHK5H9T8 |
| Size | Twin Over Twin |
| Color | Black |
| Product Dimensions | 75"L x 41"W x 54"H |
| Item Weight | 81 Pounds |
| Material | Metal (Painted Finish) |
| Special Features | Low Profile, No Box Spring Needed, Slatted, Space Saving Design |
| Included Components | Guardrails, Headboard, Installation Manual, Stairs (Ladder) |
| Maximum Weight Capacity (per bunk) | 350 lbs |
| Recommended Mattress Thickness | 4-6 inches (upper bunk mattress must sit 5" below guardrail) |

Image 7.1: Detailed dimensions of the JOYMOR Twin Over Twin Bunk Bed.
8. Warranty and Support
For any questions, concerns, or assistance with your JOYMOR Bunk Bed, please contact JOYMOR DIRECT customer support. Refer to your purchase documentation for specific warranty details, if applicable.
- Customer Support: Contact information for JOYMOR DIRECT can typically be found on your order details or the seller's page on the platform where the product was purchased.
- Returns: This product typically offers a 30-day easy return policy.