1. Introduction
This manual provides essential information for the assembly, operation, maintenance, and troubleshooting of your Zinus Shawn 14 Inch SmartBase Mattress Foundation and accompanying Headboard Brackets. The SmartBase is designed to offer robust mattress support without the need for a traditional box spring, providing ample under-bed storage space. The Headboard Brackets allow for the attachment of a headboard or footboard to customize your bed setup.
Please read this manual thoroughly before beginning assembly or use to ensure proper setup and safe operation.
2. Safety Information
WARNING:
- Do not exceed the maximum weight recommendation of 1500 pounds for Queen size and 750 pounds for single frame sizes. Exceeding this limit may pose a hazard and compromise the structural integrity of the bed frame.
- Improper assembly can lead to instability or collapse, potentially causing injury. Follow all assembly instructions carefully.
- Be cautious of potential pinch points or sharp edges during assembly and while attaching headboards or footboards. Keep hands clear of moving parts.
- Ensure all connections are securely fastened before use. Periodically check and retighten fasteners as needed.
3. Included Components
Verify that all components are present before beginning assembly. If any parts are missing or damaged, please contact Zinus customer support.
- Zinus Shawn 14 Inch SmartBase Mattress Foundation (Foldable sections)
- Zinus Headboard Brackets (Set of 2)
- All necessary tools and bolts for headboard bracket attachment
- Instruction Manual (This document)

This image displays the Zinus Shawn 14 Inch SmartBase Mattress Foundation, a black metal platform bed frame, alongside a pair of black Zinus Headboard Brackets. The bed frame is shown unfolded, ready for use, highlighting its sturdy construction and ample under-bed clearance. The headboard brackets are designed to attach to the frame, allowing for the addition of a headboard or footboard.
4. Setup Guide
4.1. SmartBase Assembly
The Zinus SmartBase is designed for quick and tool-free assembly. It typically arrives in a compact box and unfolds with a "one-touch" setup.
- Carefully remove all components from the packaging.
- Unfold the bed frame sections. The legs are designed to automatically extend and lock into place.
- Connect the two main sections of the bed frame (for Queen size and larger) using the integrated connectors. Ensure they are securely latched.
- Verify that all support legs are fully extended and locked, and that the plastic caps on the bottom of the legs are intact to protect your floors.
4.2. Headboard Bracket Attachment
The Headboard Brackets are compatible with 14-inch SmartBases only.
- Locate the pre-drilled holes on the SmartBase frame where the headboard brackets attach.
- Align the Zinus Headboard Brackets with these holes.
- Use the provided bolts and tools to securely fasten the brackets to the bed frame. Ensure all bolts are tightened firmly.
- Once attached, you can then mount your desired headboard or footboard to these brackets using appropriate hardware (not included with brackets).
Official Zinus video demonstrating the features and easy setup of the 14 Inch SmartBase Mattress Foundation. The video highlights its quiet, noise-free operation, strong and sturdy construction, and the simplicity of its one-touch assembly.
5. Operating Instructions
5.1. Mattress Placement
Once the SmartBase is fully assembled and stable, you can place your mattress directly on top of the metal platform. No box spring is required, as the sturdy steel construction provides adequate support for memory foam, latex, or spring mattresses.
5.2. Under-bed Storage
The 13 inches of clearance space under the frame offers significant storage potential. Utilize this area for bins, boxes, or other items to maximize space in your bedroom.
6. Maintenance
- Cleaning: Wipe down the metal frame with a damp cloth and mild detergent as needed. Avoid abrasive cleaners that could damage the painted finish.
- Regular Inspection: Periodically check all bolts and connections to ensure they remain tight. Retighten any loose fasteners to maintain stability and prevent noise.
- Floor Protection: Ensure the plastic caps on the bottom of the legs are not damaged or missing to prevent scratches on your flooring. Replace if necessary.
7. Troubleshooting
7.1. Squeaking or Noise
- Loose Connections: The most common cause of noise is loose bolts. Retighten all bolts on the frame and headboard brackets.
- Uneven Surface: Ensure the bed frame is placed on a flat, level surface. Uneven flooring can cause stress on the frame and lead to noise.
- Mattress Movement: Sometimes the mattress itself can cause noise against the frame. Try repositioning the mattress or placing a thin, non-slip pad between the mattress and the frame.
7.2. Instability or Wobbling
- Improper Assembly: Double-check that all sections of the frame are fully unfolded and locked into place, and that the connecting latches are secure.
- Loose Legs: Ensure all support legs are firmly extended and that their locking mechanisms are engaged.
- Overload: Verify that the total weight on the bed (including mattress and occupants) does not exceed the specified weight capacity.
8. Specifications
| Attribute | Detail |
|---|---|
| Product Name | Zinus Shawn 14 Inch SmartBase Mattress Foundation with Headboard Brackets |
| Brand | ZINUS |
| Size | Queen (Compatible with Queen size mattresses) |
| Color | Black |
| Finish Type | Painted |
| Form Factor | Platform Bed Frame |
| Under-bed Clearance | 13 Inches |
| Weight Capacity | Up to 1500 lbs (Queen size); 750 lbs (Single frame sizes) |
| Product Dimensions | 80 x 60 x 14 inches (Queen) |
| Assembly Required | Yes (Tool-free for frame, minor tools for brackets included) |
| Manufacturer | Zinus, Inc |
| First Available Date | August 28, 2019 |
9. Warranty and Support
9.1. Warranty Information
The Zinus Shawn 14 Inch SmartBase Mattress Foundation includes a 5-year worry-free limited warranty. This warranty covers manufacturing defects and ensures the product meets Zinus's quality standards. Please retain your proof of purchase for warranty claims.
9.2. Customer Support
For any questions, missing parts, or warranty claims, please contact Zinus customer support. Refer to the contact information provided on the Zinus official website or the packaging for the most current support details.
You can visit the official ZINUS store for more information: ZINUS Store on Amazon







