Introduction
This manual provides detailed instructions for the assembly, operation, and maintenance of your LostCat Twin XL Over Queen Bunk Bed. Please read all instructions carefully before assembly and use to ensure safe and proper installation and longevity of your product. Keep this manual for future reference.
Safety Information
Adherence to the following safety guidelines is crucial for preventing injury and ensuring safe use of the bunk bed.
- Maximum Mattress Thickness: For the top bunk, use a mattress with a thickness of less than 6 inches to ensure adequate guardrail height.
- Guardrails: The top bunk is equipped with fully enclosed guardrails. Ensure they are properly installed and secured at all times.
- Ladder Use: Always use the built-in ladder for climbing to and from the top bunk. Do not use chairs or other furniture.
- Weight Capacity: Do not exceed the recommended weight capacity for each bunk.
- Assembly: Ensure all bolts and fasteners are securely tightened during assembly and periodically checked thereafter.
- No Jumping: Do not allow jumping on either bunk.
- Ventilation: Ensure adequate ventilation around the bed.
Package Contents
Before beginning assembly, verify that all parts listed below are present and undamaged. If any parts are missing or damaged, contact customer support immediately.
- Upper Bunk Frame Components (Headboard, Footboard, Side Rails, Slats)
- Lower Bunk Frame Components (Headboard, Footboard, Side Rails, Slats)
- Ladder Components
- Support Legs and Brackets
- Hardware Pack (Bolts, Screws, Washers, Allen Wrench)
- Instruction Manual (This document)

Image: Fully assembled LostCat Twin XL Over Queen Bunk Bed in black metal finish, shown with bedding and pillows in a bedroom setting.
Setup and Assembly Instructions
Assembly requires at least two adults. Clear a spacious area for assembly. Do not fully tighten bolts until all components are loosely assembled.
- Unpack and Identify Parts: Carefully remove all components from the packaging. Lay them out and compare them against the parts list to ensure everything is present.
- Assemble Lower Bunk Frame:
- Attach the side rails to the headboard and footboard of the queen-size lower bunk using the provided bolts and an Allen wrench.
- Insert the queen-size bed slats into the designated slots or attach them to the side rails.
- Assemble Upper Bunk Frame:
- Attach the side rails to the headboard and footboard of the Twin XL upper bunk.
- Install the Twin XL bed slats.
- Secure the guardrails to the upper bunk frame.
- Connect Bunks: Carefully lift the assembled Twin XL upper bunk and align it with the support posts of the queen lower bunk. Secure them together using the appropriate connectors and bolts.
- Attach Ladder: Securely attach the ladder to the designated points on the upper bunk frame. Ensure it is stable and does not wobble.
- Final Tightening: Once all components are in place and aligned, systematically tighten all bolts and fasteners. Do not overtighten.
- Placement: Position the assembled bunk bed against a wall for added stability, if possible.

Image: Side view of the LostCat Twin XL Over Queen Bunk Bed, showcasing the sturdy metal frame and integrated ladder.
Operating Instructions (Usage)
The LostCat Twin XL Over Queen Bunk Bed is designed for sleeping and resting. Observe the following for proper use:
- Mattress Placement: Place a Twin XL mattress on the upper bunk and a Queen mattress on the lower bunk. Ensure the upper bunk mattress is less than 6 inches thick.
- Ladder Access: Always use the ladder to access the top bunk. Face the ladder when climbing up or down.
- Guardrail Functionality: The guardrails on the top bunk are essential for safety. Do not remove or modify them.
- Clearance: Ensure there is adequate head clearance for the person on the lower bunk.
Maintenance
Regular maintenance helps preserve the condition and safety of your bunk bed.
- Cleaning: Wipe the metal frame with a dry cloth to remove dust and debris. Avoid abrasive cleaners or harsh chemicals that could damage the finish.
- Fastener Check: Periodically check all bolts, screws, and fasteners to ensure they remain tight. Retighten as necessary to maintain stability and prevent squeaking.
- Structural Integrity: Inspect the frame for any signs of damage, bending, or cracks. Discontinue use if significant damage is observed and contact customer support.
Troubleshooting
Refer to this section for solutions to common issues.
| Problem | Possible Cause | Solution |
|---|---|---|
| Bed is wobbly or unstable. | Loose fasteners; uneven floor. | Ensure all bolts and screws are securely tightened. Move the bed to a level surface or use shims if necessary. |
| Squeaking noises. | Loose connections; friction between metal parts. | Retighten all fasteners. Apply a small amount of silicone lubricant to connection points if squeaking persists. |
| Ladder feels insecure. | Ladder not properly attached or fasteners are loose. | Verify the ladder is correctly installed and all its attachment bolts are fully tightened. |
Specifications
Detailed product specifications for the LostCat Twin XL Over Queen Bunk Bed.
- Model: Twin XL Over Queen Bunk Bed
- Overall Product Dimensions (L x W x H): 82.4 inches x 62.4 inches x 53.7 inches
- Upper Bunk Mattress Compatibility: Twin XL (Maximum thickness: 6 inches)
- Lower Bunk Mattress Compatibility: Queen
- Material: Metal
- Finish: Black Lacquered
- Assembly Required: Yes
- Special Features: No Box Spring Needed, Squeak Resistant Design
- Item Weight: Approximately 63 pounds

Image: Technical diagram illustrating the precise dimensions of the LostCat Twin XL Over Queen Bunk Bed, including length, width, and height measurements for both bunks and the ladder.
Warranty and Customer Support
For warranty information, missing parts, or any questions regarding your LostCat Twin XL Over Queen Bunk Bed, please contact LostCat customer support.
Contact Information: Refer to your purchase documentation or the LostCat official website for the most current customer support contact details.
Note: Specific warranty terms may vary by region and retailer. Please retain your proof of purchase.