1. Introduction
Welcome to your new Mixcous Twin XL Over Queen Heavy-Duty Metal Bunk Bed. This manual provides essential information for safe assembly, operation, and maintenance of your new bunk bed. Please read all instructions carefully before assembly and use to ensure proper setup and long-lasting enjoyment of your product.
2. Important Safety Information
WARNING: Failure to follow these warnings and instructions could result in serious injury or death.
- The top bunk is equipped with full-height safety guardrails designed to prevent accidental falls. Always ensure they are securely in place.
- The included side ladder provides stable and easy access to the upper bed. Always use the ladder when accessing the upper bunk. Do not climb on the frame.
- Maximum Weight Recommendation: The entire bunk bed has a maximum weight recommendation of 400 pounds. Ensure weight is distributed evenly.
- Use only mattresses that are 6-8 inches thick for both the Twin XL upper bunk and the Queen lower bunk to maintain proper guardrail height.
- Do not allow children under 6 years of age on the upper bunk.
- No jumping on the bed.
- Periodically check all bolts, screws, and connections. Tighten any loose hardware immediately to maintain structural integrity.
- Ensure the bunk bed is placed on a level surface.
3. Parts List
Before beginning assembly, verify that all components listed below are present and undamaged. If any parts are missing or damaged, please contact customer support.
- Heavy-Duty Metal Frame Components (various lengths and shapes for vertical supports, side rails, and crossbars)
- Full-Height Safety Guardrails (for upper bunk)
- Foam-Padded Ladder (for safe access to upper bunk)
- Bed Slats (for both Twin XL and Queen bunks)
- Center Support Legs (for lower bunk stability)
- Anti-Squeak Pads
- All necessary bolts, screws, and assembly tools (e.g., Allen wrench)

Image: All components of the Mixcous Twin XL Over Queen Bunk Bed laid out for assembly.

Image: A detailed view of various metal frame parts and hardware included with the bunk bed.
4. Setup and Assembly
For a faster and smoother setup, we recommend using an electric screwdriver. With pre-drilled holes and clear instructions, your bed will be ready in no time. Please follow the steps below carefully. It is recommended to have two adults for assembly.
Video: This video provides a step-by-step visual guide for assembling the Twin XL over Queen Bunk Bed. It demonstrates how to connect the frame components, install the slats, and attach the ladder.
Step-by-Step Guide:
- Install the Columns: Begin by installing the main vertical support columns for the bunk bed frame. Ensure they are correctly oriented as per the instructions.
- Install Upper Bunk Headboard and Footboard: Attach the headboard and footboard components for the Twin XL upper bunk to the main columns.
- Install Lower Bunk Headboard and Footboard: Secure the headboard and footboard components for the Queen lower bunk to the main columns.
- Connect Headboard and Footboard with Side Rails: Use the designated side rails to connect the headboard and footboard sections for both the upper and lower bunks, forming the bed frames.
- Install Middle Crossbar: Attach the middle crossbar to the lower bunk frame for enhanced stability.
- Install Center Support Legs: Secure the center support legs to the underside of the lower bunk frame.
- Install Anti-Squeak Pads: Place the provided anti-squeak pads at designated connection points to minimize noise during use.
- Install Slats with Pre-Drilled Holes: Begin installing the bed slats for both bunks, starting with those that align with pre-drilled holes.
- Install Remaining Slats: Continue installing all remaining bed slats for both the upper and lower bunks.
- Secure the Slats: Ensure all bed slats are firmly secured to the frame.
- Install Support Legs: Attach any additional support legs as indicated in the assembly diagram.
- Install Stairs/Ladder: Securely attach the foam-padded ladder to the bunk bed frame. Ensure it is stable and safe for climbing.
- Final Tightening: Double-check and tighten all screws, bolts, and connections throughout the entire bunk bed structure for maximum stability and safety.
5. Operating Instructions
Usage Guidelines:
- Mattress Compatibility: This bunk bed is compatible with Twin XL mattresses for the upper bunk and Queen mattresses for the lower bunk.
- Recommended Mattress Thickness: For optimal safety and to ensure the effectiveness of the guardrails, use mattresses between 6-8 inches thick for both bunks.
- Weight Capacity: The maximum weight recommendation for the entire bunk bed is 400 pounds. Please ensure weight is distributed evenly across both bunks.
- Ladder Use: Always use the provided foam-padded ladder for accessing the upper bunk. Do not climb on any other part of the frame.
- Under-Bed Clearance: The design offers 11.5 inches of high clearance under the lower bunk, providing convenient space for storage containers or robotic cleaning devices.

Image: This image illustrates the 11.5-inch clearance beneath the lower bunk, ideal for storage containers or robotic vacuum cleaners.
6. Maintenance
Care and Maintenance:
- Cleaning: Wipe down the metal frame with a damp cloth and mild, non-abrasive detergent. Avoid harsh chemicals that could damage the finish.
- Regular Inspection: Periodically (e.g., monthly) inspect all bolts, screws, and connections to ensure they remain tight. Tighten any loose hardware immediately to prevent instability.
- Noise Reduction: The bunk bed is engineered with reinforced connections and anti-shake design to minimize squeaks. If noise occurs, check all connections and ensure anti-squeak pads are correctly installed.
- Moving the Bed: If you need to move the bunk bed, lift it rather than dragging it to prevent damage to the frame or your flooring.
7. Troubleshooting
Common Issues and Solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Bed is wobbly or unstable | Loose connections; improper assembly | Check and tighten all bolts and screws. Ensure all parts are correctly assembled according to the instructions. |
| Squeaking noises | Loose connections or friction between metal parts | Tighten all hardware. Ensure anti-squeak pads are correctly installed at all contact points. |
| Difficulty climbing ladder | Improper ladder installation or unfamiliarity with design | Ensure the ladder is securely attached to the frame. The foam-padded steps are designed for comfortable and easy climbing. |
8. Specifications
- Size: Twin XL over Queen
- Material: Heavy-Duty Metal
- Product Dimensions (L x W x H): 83"L x 63"W x 54"H
- Style: Industrial
- Special Feature: No Box Spring Needed
- Included Components: Guardrails, Ladder
- Color: Black
- Maximum Weight Recommendation: 400 Pounds
- Assembly Required: Yes

Image: This image displays the overall dimensions of the Mixcous Twin XL Over Queen Bunk Bed, measuring 83 inches in length, 63 inches in width, and 54 inches in height.
9. Warranty and Support
For any questions, concerns, or warranty information regarding your Mixcous bunk bed, please contact Mixcous customer support. Refer to your purchase documentation for specific warranty details and contact methods. Our team is dedicated to providing assistance and ensuring your satisfaction.