Zinus AZ-BSLB-Q
Zinus Keenan Queen Metal Mattress Foundation Instruction Manual
Model: AZ-BSLB-Q
Introduction
The Zinus Keenan Metal Mattress Foundation is designed to provide robust support for your mattress, combining the functionality of a box spring and a bed frame into one easy-to-assemble unit. Its solid steel framework ensures durability and longevity. This foundation includes support legs, eliminating the need for an additional bed frame, and features built-in brackets for attaching a headboard (hardware not included). All necessary tools, parts, and instructions for quick and simple setup are conveniently packaged in one box.
Important Safety Information
- Do not exceed the maximum weight capacity of 700 lbs (350 lbs for Twin size).
- Be cautious of sharp edges and legs during assembly and use.
- Always follow assembly instructions carefully, especially when installing headboard brackets.
Setup and Assembly
The Zinus Keenan Metal Mattress Foundation is designed for easy assembly. All parts and tools are included in the package. Follow the step-by-step instructions provided in the manual and refer to the visual guides below for assistance.
Unboxing and Parts Overview
The foundation comes compactly packaged in a single box. Upon opening, you will find the folded metal frame, a hardware kit with all necessary bolts and tools (including a ratchet tool), and the fabric cover.

Image: Components of the Zinus Keenan Metal Mattress Foundation laid out for assembly. The package includes the folded metal frame, a hardware kit, and the fabric cover.

Image: A close-up view of the headboard bracket integrated into the frame's leg attachment point.
Assembly Steps
- Lay out Components: Unpack all parts and lay them out on a clean, flat surface. Identify all numbered pieces and hardware as per the instruction sheet.
- Assemble the Frame: Connect the main frame sections. The parts are typically labeled (e.g., with numbers or "UP" stickers) to guide correct orientation. Use the provided bolts and tools to secure connections.
- Install Slats: Insert the metal slats into the designated slots on the frame. Ensure they are firmly pressed into place.
- Attach Fabric Cover: Drape the fabric cover over the assembled frame, fitting it like a fitted sheet. Ensure the corners are snug.
- Screw in Legs: Flip the frame over. Screw the support legs into the designated holes on the underside of the frame. If using a headboard, attach the headboard brackets before fully tightening the legs.
Visual Assembly Guide
Video: A detailed assembly guide for the Zinus Keenan Mattress Base, demonstrating the unboxing and step-by-step construction process.
Video: An overview of the Zinus Keenan Metal Box Spring with Legs, highlighting its features and ease of assembly.
Operating Instructions
Once assembled, simply place your mattress directly on top of the Zinus Keenan Metal Mattress Foundation. The sturdy steel slats and non-slip fabric cover are designed to keep your mattress securely in place and provide optimal support.

Image: The Zinus Keenan Queen Metal Mattress Foundation with a mattress placed directly on its surface, ready for use.
Care and Maintenance
To maintain the quality and appearance of your Zinus Keenan Metal Mattress Foundation, wipe the metal frame with a dry cloth as needed. The fabric cover can be spot cleaned. Avoid using harsh chemicals or abrasive cleaners that may damage the finish or fabric.
Troubleshooting
If you encounter any issues with your mattress foundation, please refer to the original assembly instructions for detailed diagrams and solutions. Ensure all bolts are securely tightened. For persistent problems or concerns, contact Zinus customer support.
Specifications
| Size | Queen |
| Material | Alloy Steel |
| Product Dimensions (L x W x H) | 79"L x 59.5"W x 14"H |
| Style | Standing Box Spring |
| Special Feature | Durable, No Box Spring Needed |
| Included Components | Foundation, Headboard Brackets, Installation Manual, Legs, Slats |
| Maximum Weight Recommendation | 700 Pounds |
| Item Weight | 46.87 Pounds |
| Color | Black |
| Model Number | AZ-BSLB-Q |

Image: Dimensional diagram of the Zinus Keenan Queen Metal Mattress Foundation.
Warranty Information
The Zinus Keenan Metal Mattress Foundation comes with a worry-free 5-year limited warranty. For specific terms and conditions, please refer to the warranty documentation included with your product or visit the official Zinus website.
Customer Support
For further assistance, questions, or to report any issues, please contact Zinus customer support. You can find contact information on the Zinus website or through your retailer.
Visit the official Zinus Store: Zinus Store
Related Documents - AZ-BSLB-Q
![]() |
ZINUS BSLB-3 Mattress Foundation Assembly Guide Concise assembly instructions and product information for the Zinus BSLB-3 Metal Mattress Foundation, including component lists and return policy. |
![]() |
ZINUS BSLB-2 Metal Mattress Foundation - Assembly Instructions Detailed, step-by-step assembly guide for the ZINUS BSLB-2 Metal Mattress Foundation. Includes component list, hardware, and clear instructions for easy setup. |
![]() |
Smartbase® Deluxe Platform Bed Frame Assembly Instructions Step-by-step guide for assembling the Zinus SmartBase® Deluxe Platform Bed Frame, covering setup for Full, Queen, King, and Cal King sizes with detailed textual descriptions of each stage. |
![]() |
ZINUS Korey Metal Platform Bed Frame with Upholstered Headboard Assembly Instructions Comprehensive assembly guide for the ZINUS Korey Metal Platform Bed Frame with Upholstered Headboard. Features a component list, step-by-step instructions, and warranty details for this furniture piece. |
![]() |
ZINUS Metal Box Spring with Wood Slats - User Manual and Assembly Guide Comprehensive user manual and assembly instructions for the ZINUS Metal Box Spring with Wood Slats, featuring a sturdy steel structure and easy assembly. Includes warranty information and return policy. |
![]() |
Zinus FBOBH1-39-1 Figari Bamboo and Metal Twin Platform Bed Frame Assembly Instructions Comprehensive, step-by-step assembly guide for the Zinus FBOBH1-39-1 Figari Twin Platform Bed Frame. Includes a detailed list of components, hardware, and clear instructions for building your bed frame. |





