1. Introduction and Safety Information
This manual provides essential instructions for the safe assembly, operation, and maintenance of your Merax Trundle Bunk Bed. Please read all instructions carefully before assembly and use. Keep this manual for future reference.
Safety Information: This product, Merax Trundle Bunk Bed, is designed with safety features such as a full-length guardrail on the upper bunk bed and solid legs made of solid pine wood for added strength and durability. The maximum weight capacity is 300 lbs for the top bunk, 350 lbs for the bottom bunk, and 300 lbs for the trundle. Users should ensure proper assembly, be aware of potential pinch points during use, and avoid exceeding the weight limit to prevent instability or collapse. Regular maintenance and inspection are recommended to ensure the bed frame remains safe and stable.
- Always ensure all connections are securely tightened.
- Do not allow children under 6 years of age on the upper bunk.
- Use only mattresses that meet the recommended thickness and dimensions.
- Periodically check and tighten all fasteners.
2. Product Overview
The Merax Trundle Bunk Bed is a versatile sleeping solution featuring a twin-size upper bed, a full-size bottom bed, and a twin-size trundle bed. This 3-in-1 design allows for accommodating multiple users or overnight guests. The bed can also be separated into two individual beds, offering flexibility in room arrangement. Constructed from solid pine wood and MDF, this bunk bed provides stability and durability. It includes a full-length guardrail on the upper bunk and a sturdy ladder for safe access. No box spring is required.

Image: Merax Twin Over Full Bunk Bed with Trundle, Ladder, and Full-Length Guardrails. This image displays the complete bunk bed unit with the trundle bed pulled out, highlighting its multi-functional design.
3. Setup and Assembly
Assembly of the Merax Trundle Bunk Bed requires two adults. Ensure all parts are present and undamaged before beginning. An Allen wrench is typically included; a Phillips head screwdriver may also be required. Follow the step-by-step instructions provided in the packaging for proper assembly. Do not use power tools for tightening fasteners as this may overtighten and damage the wood.
- Unpack and Identify: Carefully unpack all components and lay them out on a clean, soft surface to prevent scratches. Identify each part using the provided parts list.
- Assemble Base Frames: Begin by assembling the headboards and footboards for both the twin and full beds.
- Attach Side Rails: Connect the side rails to the assembled headboards and footboards.
- Install Slats: Securely install the bed slats for both the upper and lower bunks.
- Assemble Trundle: Assemble the trundle bed frame and install its slats.
- Stack Bunks: Carefully lift and place the twin bed frame onto the full bed frame, ensuring all connecting points are aligned and secured.
- Attach Ladder and Guardrails: Install the ladder and the full-length guardrails on the upper bunk.
- Final Check: Verify all bolts and screws are tightened.

Image: Diagram showing the dimensions of the Merax Trundle Bunk Bed. This diagram provides key measurements for the assembled unit, including length, width, and height, useful for planning placement and ensuring proper fit.

Image: Merax Bunk Bed Twin over Full with Twin Trundle, featuring a sturdy slanted ladder and safety guardrail. This image illustrates the fully assembled bunk bed, showcasing its design and safety features.
4. Operating Instructions
This bunk bed offers flexible configurations to suit your needs.
- Using the Trundle Bed: The twin-size trundle bed is equipped with removable casters for easy movement. To use, simply pull the trundle unit out from under the bottom bunk. To store, push it back into place. Ensure the area is clear before moving the trundle.
- Converting to Two Separate Beds: The bunk bed can be separated into two individual beds (one twin and one full). To convert, carefully disassemble the upper bunk from the lower bunk by removing the connecting hardware. Then, reattach the appropriate end pieces to form two standalone bed frames. Store any unused hardware safely.

Image: Merax Bunk Bed with the twin-size trundle extended. This image demonstrates the trundle bed pulled out from beneath the main bunk, ready for use as an additional sleeping space.

Image: Merax Bunk Bed converted into two separate beds. This image shows the twin-over-full bunk bed disassembled into a standalone twin bed and a standalone full bed with trundle, illustrating its convertible feature.
5. Maintenance
Proper maintenance ensures the longevity and safety of your bunk bed.
- Cleaning: Wipe the bed frame with a damp cloth. Avoid harsh chemicals or abrasive cleaners that may damage the finish.
- Fastener Check: Periodically (e.g., every 3 months) inspect all bolts, screws, and connections to ensure they are tight. Retighten as necessary to maintain structural integrity.
- Wood Care: Keep the bed away from direct sunlight and extreme temperature changes to prevent wood warping or cracking.
6. Troubleshooting
If you encounter any issues with your bunk bed, refer to the following common solutions:
- Squeaking Noises: Squeaking often indicates loose connections. Identify the source of the noise and tighten all bolts and screws in that area. Applying a small amount of furniture wax or lubricant to the joints can also help.
- Instability/Wobbling: If the bed feels unstable, ensure it is placed on a level surface. Check all assembly points and tighten any loose fasteners. Verify that all components are correctly aligned according to the assembly instructions.
- Trundle Not Sliding Smoothly: Check the casters on the trundle bed for any obstructions or damage. Clean the casters and the floor area. Ensure the trundle is aligned properly within its track.
7. Specifications
| Feature | Detail |
|---|---|
| Model | Trundle Bunk Bed Twin Over Full |
| Material | Solid Pine Wood, MDF |
| Overall Dimensions (L x W x H) | 79.3" x 57.1" x 61.3" |
| Upper Bunk Weight Capacity | 300 lbs |
| Bottom Bunk Weight Capacity | 350 lbs |
| Trundle Weight Capacity | 300 lbs |
| Recommended Upper Mattress Thickness | 6 inches |
| Recommended Bottom Mattress Thickness | 6-8 inches |
| Recommended Trundle Mattress Thickness | 6 inches |
| Color | White |
| Assembly Required | Yes |
| UPC | 196986554917 |
8. Warranty and Support
For warranty information or technical support, please refer to the documentation included with your purchase or contact Merax customer service directly. Keep your proof of purchase for any warranty claims.
Contact Information: Please visit the official Merax website or refer to your purchase receipt for customer service contact details.