Product Overview
The ZINUS Justin 14 Inch Easy to Assemble Mattress Foundation provides a durable, fully-steel framework with supportive slats, designed for dependable mattress support. Its robust construction includes multiple sturdy legs with plastic caps to protect flooring. This foundation offers 13 inches of under-bed clearance, providing ample storage space. It is engineered for easy assembly and long-lasting use.

Figure 1: ZINUS Justin 14 Inch Easy to Assemble Mattress Foundation, showcasing its steel frame and under-bed storage potential.
Setup and Assembly
The Justin Mattress Foundation is designed for quick and straightforward assembly. All necessary tools, parts, and instructions are efficiently packed within a single box, allowing for setup in less than an hour.
Unboxing and Part Identification

Figure 2: All components of the mattress foundation are compactly packaged in a single box for convenience.
Assembly Steps
Follow the visual instructions provided to assemble your mattress foundation. The frame features a foldable structure for simplified setup.

Figure 3: Visual guide illustrating the easy three-step assembly process for the foundation.

Figure 4: Detailed view of the foldable structure, secure connections, and recessed legs with floor protection caps.
Features and Operation
The ZINUS Justin Mattress Foundation is engineered for optimal performance and user convenience.
- Sturdy and Durable Steel: Constructed from heavy-duty steel, ensuring long-lasting stability and support.
- Unbeatable Support: Twin sizes support up to 750 lbs, while all other sizes support up to 1500 lbs, providing reliable support for various mattress types.
- No Box Spring Needed: Designed with optimal mattress support slats, eliminating the need for a traditional box spring. Compatible with memory foam, latex, or spring mattresses.
- Ample Under-bed Storage: Features 13 inches of clearance, offering significant space for storage, ideal for optimizing small living areas.
- Recessed Legs: Legs are strategically recessed to prevent accidental stubbing of toes, enhancing safety and convenience.

Figure 5: The 13-inch under-bed clearance offers generous storage capacity for various items.

Figure 6: Product dimensions (75"L x 54"W x 14"H for Full size) and a maximum weight capacity of 1500 lbs.
Maintenance
To maintain the quality and longevity of your ZINUS Justin Mattress Foundation, simply wipe it with a damp cloth as needed. Avoid using harsh chemicals or abrasive cleaners that could damage the finish.
Troubleshooting and Important Information
- Sharp Edges: Exercise caution around the edges of the legs during assembly and use to prevent injury.
- Weight Limit: Do not load more than 1500 lbs onto the foundation to ensure structural integrity and safety.
- Squeaking: If any squeaking occurs, re-check all connections and ensure bolts are tightened securely.
- Mattress Movement: If the mattress slides, consider using a non-slip pad between the mattress and the foundation slats.
Specifications
| Brand | ZINUS |
| Model Number | ZU-FSSSB3ZC-14F |
| Size | Full |
| Product Dimensions | 75"L x 54"W x 14"H |
| Color | Black |
| Material | Alloy Steel |
| Weight Capacity | Up to 1500 lbs (for Full size and larger) |
| Under-bed Clearance | 13 Inches |
| Assembly Required | Yes |
| Included Components | Installation Manual, Slats |
Warranty and Support
The ZINUS Justin 14 Inch Easy to Assemble Mattress Foundation comes with a 5-year limited warranty for your peace of mind. For detailed warranty information or further assistance, please refer to the official user guide or contact ZINUS customer support.
You can access the User Guide (PDF) here.