Introduction
Thank you for purchasing the DERCASS Full-Over-Full Stairway Bunk Bed with Twin Size Trundle. This manual provides essential information for the safe assembly, operation, and maintenance of your new bunk bed. Please read all instructions carefully before assembly and retain this manual for future reference.
This bunk bed features a full-over-full design with an integrated stairway, storage compartments, and a pull-out twin size trundle bed. It is designed for stability and durability, offering a versatile sleeping solution for your home.
Important Safety Information
- Read all instructions: Follow all assembly instructions and warnings carefully.
- Adult supervision: Children should not be allowed on the upper bunk without adult supervision.
- Weight Capacity:
- Upper bed: 250 LBS
- Bottom bed: 300 LBS
- Trundle bed: 175 LBS
- Mattress Thickness:
- Upper bed: 6 inches maximum
- Bottom bed: 8 inches maximum
- Trundle bed: 6 inches maximum
- Guardrails: Ensure guardrails are properly installed and maintained on the upper bunk.
- No jumping: Do not allow jumping on the bed.
- Detachable Feature: If separating into two individual beds, ensure all components are securely reassembled according to instructions.
- Avoid power tools: Use hand tools for assembly to prevent overtightening and damage.
Package Contents
Before beginning assembly, verify that all parts and hardware are present. Refer to the included parts list in your physical package for detailed identification.
The product is shipped in three packages:
- Package 1: 60.5 x 26 x 6 inches, 76.06 lbs
- Package 2: 81.5 x 13.5 x 5.5 inches, 77.16 lbs
- Package 3: 57.5 x 18.5 x 8 inches, 113.54 lbs
If any parts are missing or damaged, contact customer support immediately.
Setup and Assembly
Estimated Assembly Time: 2 hours
Suggested Number of People: 2
Tools Required: All necessary tools are included in the package.
Important: Avoid using power tools during assembly to prevent damage to the wood and hardware.
Assembly Steps:
- Unpack Components: Carefully unpack all boxes and lay out all parts on a clean, soft surface (e.g., a carpet or blanket) to prevent scratches.
- Identify Parts: Refer to the parts list and diagrams provided in your physical assembly guide to identify each component.
- Assemble Lower Bed Frame: Begin by assembling the headboard, footboard, and side rails for the lower full-size bed. Secure all connections with the provided hardware.
- Install Lower Bed Slats: Place and secure the plywood slats onto the lower bed frame. Ensure they are evenly spaced and firmly attached.
- Assemble Upper Bed Frame: Construct the upper full-size bed frame, including headboard, footboard, and side rails.
- Install Upper Bed Slats: Secure the plywood slats onto the upper bed frame.
- Attach Stairway Unit: Connect the stairway unit to the side of the lower and upper bed frames. Ensure it is stable and all storage compartments are aligned.
- Assemble Trundle Bed: Assemble the twin-size trundle bed frame and install its slats.
- Insert Trundle: Slide the assembled trundle bed under the lower bunk.
- Install Guardrails: Attach the full-length guardrails to the upper bunk. Verify they are securely fastened.
- Final Check: Double-check all screws, bolts, and connections to ensure they are tight and secure. Do not overtighten.

Image 1: Fully assembled DERCASS Full-Over-Full Stairway Bunk Bed with Trundle, showcasing the white finish, integrated stairway with storage, and pull-out trundle.

Image 2: Technical drawing illustrating the overall dimensions and key measurements of the bunk bed and trundle unit.

Image 3: View of the bunk bed frames and trundle, highlighting the wooden slat support system for mattresses.

Image 4: Detailed view of the stairway unit, showing the four open shelves designed for storage.

Image 5: Side profile of the bunk bed, illustrating the height of the guardrails on the upper bunk and the trundle bed pulled out.

Image 6: Frontal view of the bunk bed, highlighting the trundle bed in its stored position and the stairway access.

Image 7: Detailed image of the wooden slats, demonstrating the support structure for the mattress.

Image 8: Close-up showing the secure connections of the bed frame components and the attachment points for the guardrails.
Operating Instructions
Using the Bunk Bed:
- Upper Bunk Access: Use the integrated stairway for safe access to the upper bunk. Always face the stairs when ascending or descending.
- Trundle Bed Operation: The twin-size trundle bed can be easily pulled out from under the lower bunk for additional sleeping space. Push it back in when not in use to save space.
- Storage Compartments: Utilize the four open shelves in the stairway unit for storing books, small items, or bedding.
Detachable Feature:
This bunk bed can be separated into two individual full-size beds. To do so, carefully follow the reverse of the assembly instructions for the upper bunk and the connecting components. Ensure that each individual bed is stable and all hardware is securely fastened after separation. It is recommended to have two adults for this process.

Image 9: The bunk bed disassembled into two separate full-size bed frames, demonstrating its versatility.
Maintenance and Care
- Cleaning: Wipe the bed frame with a dry cloth to remove dust and dirt. Avoid using harsh chemicals or abrasive cleaners, which can damage the finish.
- Hardware Check: Periodically check all bolts, screws, and connections to ensure they remain tight. Retighten as necessary to maintain stability and safety. Do not overtighten.
- Wood Care: Protect the wood from extreme temperature changes and direct sunlight to prevent warping or fading.
- Mattress Rotation: Rotate mattresses regularly according to mattress manufacturer guidelines to ensure even wear.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Bed feels wobbly or unstable. | Loose hardware connections. | Check and tighten all bolts and screws. Ensure all components are correctly aligned. |
| Trundle bed does not slide smoothly. | Obstruction under the bed; wheels are dirty or damaged. | Clear any obstructions. Clean trundle wheels. If wheels are damaged, contact support for replacements. |
| Squeaking noises. | Loose connections; friction between wood parts. | Tighten all hardware. Apply a small amount of paraffin wax or silicone spray to contact points between wood if necessary. |
| Missing parts during assembly. | Packaging error. | Refer to the package contents section and contact DERCASS customer support with your model number and a description of the missing parts. |
Product Specifications
- Product Type: Full over Full Bunk Bed with Trundle
- Model Number: LT100210A
- Size: Full-Over-Full
- Color: White
- Overall Product Dimensions: 94.25" L x 58.07" W x 62.2" H
- Material: Plywood + MDF + Pinewood
- Bed Slat Material: Plywood
- Overall Product Weight: 248.76 LBS
- Weight Capacity:
- Upper bed: 250 LBS
- Bottom bed: 300 LBS
- Trundle: 175 LBS
- Number of Slats:
- Upper bed: 14
- Bottom bed: 14
- Trundle: 7
- Recommended Mattress Thickness:
- Upper bed: 6 inches
- Bottom bed: 8 inches
- Trundle: 6 inches
- Box Spring Required: No
- Assembly Level: Partial assembly
- Country of Origin: Vietnam
Warranty and Support
For warranty information, please refer to the documentation included with your purchase or contact DERCASS customer support directly. Keep your proof of purchase for any warranty claims.
If you have any questions, require assistance with assembly, or need to report missing/damaged parts, please contact DERCASS customer support. Provide your model number (LT100210A) and a detailed description of your issue for prompt service.
Contact Information: Please refer to the contact details provided on the DERCASS official website or your purchase receipt.