Introduction
This manual provides detailed instructions for the assembly, use, and maintenance of your Zinus 12-Inch SmartBase Queen Mattress Foundation. Designed for tool-free assembly, this metal platform bed frame eliminates the need for a box spring and offers ample underbed storage. Please read all instructions carefully before proceeding.
Safety Information
- Exercise caution around sharp edges during unpacking and assembly.
- Do not exceed the maximum weight recommendation of 1500 pounds for this Queen size foundation.
- Ensure all connections are securely fastened before placing a mattress on the frame.
Package Contents
Your Zinus SmartBase foundation is shipped in a single compact box for convenience. Upon opening, you will find the folded metal frame and a hardware kit. No additional tools are required for assembly.

Image: The Zinus SmartBase foundation packaged in a compact cardboard box.

Image: The included hardware kit with an Allen wrench and wing nuts for assembly.
Setup and Assembly
The Zinus SmartBase is designed for quick and tool-free assembly. Follow these steps:
- Unpack the Frame: Carefully remove the folded frame from its packaging.
- Unfold the Sections: The frame consists of two main sections. Unfold each section until the legs lock into place.
- Connect the Sections: Align the two unfolded sections side-by-side. Use the provided wing nuts and bolts to secure the two sections together at the central connection points.
- Apply Non-Slip Tape: For added mattress stability, apply the included non-slip tape to the top surface of the frame where the mattress will rest.
- Video Guide: For a visual demonstration of the assembly process, please watch the official Zinus SmartBase Zero Assembly video below.

Image: The Zinus SmartBase foundation in its folded configuration.

Image: A single section of the Zinus SmartBase foundation partially unfolded.

Image: A close-up view of the central connection mechanism between the two frame sections.

Image: A hand tightening a wing nut to secure the frame sections.

Image: Demonstrating the application of non-slip tape to the frame.
Video: Official Zinus SmartBase Zero Assembly Mattress Foundation video demonstrating the quick setup process.
Usage
- Mattress Placement: Place your memory foam, latex, or spring mattress directly onto the assembled SmartBase. A box spring is not required.
- Underbed Storage: The frame provides approximately 11 inches of clearance, offering valuable space for storage bins, boxes, or other items.
- Headboard Compatibility: The frame includes pre-drilled holes at both ends, allowing for the attachment of a compatible headboard (sold separately) to customize your bed's appearance.

Image: The fully assembled Zinus SmartBase foundation with a mattress, highlighting the available underbed storage.
Maintenance
To ensure the longevity of your Zinus SmartBase mattress foundation, follow these simple maintenance guidelines:
- Cleaning: Wipe the metal frame with a damp cloth and mild detergent as needed. Avoid abrasive cleaners.
- Regular Inspection: Periodically check all bolts and connections to ensure they remain tight. Re-tighten if necessary.
- Floor Protection: The legs are equipped with plastic caps to protect your floors. Ensure these caps remain intact.
Troubleshooting
If you encounter any issues with your Zinus SmartBase, consider the following:
- Squeaking Noises: Ensure all bolts are securely tightened. Loose connections can cause noise.
- Instability: Verify that the frame is placed on a flat, even surface. Check that all legs are fully extended and locked.
- Mattress Sliding: Confirm that the non-slip tape has been applied correctly to the frame surface.
Specifications
| Size | Queen |
| Product Dimensions | 80"L x 60"W x 12"H |
| Underbed Clearance | 11 Inches |
| Weight Capacity | 1500 Pounds |
| Material | Steel |
| Color | Black |
| Model Number | SBBK-12Q |
| UPC | 841550231366 |

Image: Dimensional diagram of the Zinus SmartBase Queen foundation.
Warranty and Support
Your Zinus SmartBase mattress foundation comes with a Worry-Free 5-Year Limited Warranty. For warranty claims, product support, or any questions not covered in this manual, please contact Zinus customer service. Refer to the contact information provided with your purchase or visit the official Zinus website.





