ZINUS ESBS-9K
ZINUS Upholstered Metal and Wood Box Spring Instruction Manual
Model: ESBS-9K
1. Introduction
The ZINUS Upholstered Metal and Wood Box Spring is designed to provide a sturdy and durable foundation for your mattress. It combines the strength of steel and plywood with the aesthetic appeal of woven grey fabric paneling, eliminating the need for a bed skirt. This foundation is engineered for easy assembly and is suitable for various mattress types, including latex, memory foam, and spring mattresses.

Figure 1: The ZINUS Upholstered Metal and Wood Box Spring, showcasing its sleek design and fabric finish.
2. Safety Information
Please read and understand all instructions before assembly and use. Keep all small parts and packaging materials away from children. Ensure all connections are secure before placing a mattress on the foundation. This box spring is designed to support a maximum recommended load of 700 pounds (for all sizes except Twin, which supports up to 350 pounds). Do not exceed the stated weight capacity.
3. Package Contents
Verify that all components are present before beginning assembly:
- Steel and Plywood Frame Components
- Woven Fabric Cover
- Assembly Tools (if included)
- Instruction Manual (this document)
4. Setup (Assembly Instructions)
Assembly of the ZINUS Upholstered Metal and Wood Box Spring is designed to be straightforward, typically completed in five simple steps. It is recommended to assemble the unit in the room where it will be used.
- Unpack all components and lay them out on a clean, soft surface to prevent scratching.
- Follow the detailed step-by-step instructions provided in the separate assembly guide included in your package.
- Ensure all bolts and fasteners are tightened securely, but do not overtighten.
- Carefully place the fabric cover over the assembled frame, ensuring a snug fit.
- Position the assembled box spring within your bed frame or on a suitable platform.

Figure 2: An interior view of the box spring frame, illustrating the steel and plywood structure before the fabric cover is applied.
5. Operating (Usage Guidelines)
This box spring serves as a foundational support for your mattress. It is compatible with various mattress types, including latex, memory foam, and traditional spring mattresses. The design allows for direct placement of your mattress on top, providing a stable and supportive sleeping surface.

Figure 3: Visual representation of the box spring's dimensions and weight capacity, crucial for proper mattress pairing.
6. Maintenance
To maintain the appearance and longevity of your ZINUS Upholstered Metal and Wood Box Spring, follow these simple care instructions:
- Cleaning: Wipe the fabric cover with a damp cloth as needed. Avoid using harsh chemicals or abrasive cleaners, which may damage the fabric.
- Inspection: Periodically check all connections and fasteners to ensure they remain tight. Retighten if necessary.
- Placement: Ensure the box spring is placed on a flat, stable surface or within a compatible bed frame to prevent undue stress on the structure.

Figure 4: A close-up view of the woven grey fabric, highlighting its texture and quality.
7. Troubleshooting
If you encounter any issues with your ZINUS Upholstered Metal and Wood Box Spring, consider the following:
- Squeaking Noises: Check all assembly bolts and ensure they are securely tightened. Loose connections can sometimes cause noise.
- Instability: Verify that the box spring is placed on a level surface and that all support legs (if applicable, when used with a bed frame) are evenly distributed and making full contact with the floor.
- Damaged Parts: If any parts are damaged or missing upon arrival, do not proceed with assembly. Contact ZINUS customer support for assistance.
8. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 79 x 75.5 x 9 inches (King size) |
| Item Weight | 56.8 pounds |
| Manufacturer | Zinus |
| Model Number | ESBS-9K |
| Fabric Type | Durable Steel and Plywood With a Woven Fabric Cover |
| Maximum Recommended Load | 700 Pounds (King size, Twin supports 350 lbs) |
| Assembly Required | Yes |
| Included Components | Steel and Plywood Frame, Cover |
9. Warranty
This ZINUS Upholstered Metal and Wood Box Spring comes with a worry-free 5-year warranty. Please refer to the warranty card included with your product for full terms and conditions, or visit the official ZINUS website for more details.
10. Support
For further assistance, questions, or to report any issues, please contact ZINUS customer support. Contact information can typically be found on the ZINUS official website or on the packaging materials.
You may also find additional resources and FAQs on the ZINUS Store on Amazon.
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