1. Important Safety Information
Please read all instructions carefully before assembly and use. Keep this manual for future reference.
- Two-Person Assembly: It is highly recommended to assemble this bed frame with at least two people to ensure safety and ease of construction.
- Clear Workspace: Ensure you have a clear, spacious area for assembly to prevent accidents and damage to components.
- Avoid Excessive Force: Do not use excessive force when assembling to prevent damage to the frame or components.
- Powder Coating Caution: Be cautious during assembly as powder-coated parts may cause skin irritation. Consider wearing gloves.
- Ensure Proper Assembly: Verify all bolts and connections are securely tightened to prevent instability and potential noise during use.
- Weight Capacity: Do not exceed the maximum weight capacity of 800 lbs for this King size bed frame.
2. Product Overview
The GRUSIGN King Size Platform Bed Frame features a modern design with a soft velvet upholstered headboard. It is engineered for stability and quiet sleep, offering adjustable headboard height and ample under-bed storage.
- Velvet Headboard: Upholstered with a soft, skin-friendly velvet finish for comfort and a modern aesthetic.
- Adjustable Height: The headboard height can be adjusted to accommodate mattresses between 8-12 inches, with or without a box spring.
- Strong & Quiet Support: Constructed with a sturdy metal frame, center support legs, and EVA pads to minimize noise and ensure stability.
- Flexible Mattress Setup: Velcro-secured wooden slats provide excellent support for a mattress alone or a mattress with a box spring.
- Under-bed Clearance: Offers 6.3 inches of clearance for convenient storage and easy cleaning.

Image: Fully assembled GRUSIGN King Size Platform Bed Frame in beige with velvet headboard.
3. Package Contents
Before beginning assembly, ensure all parts are present and undamaged. Refer to the included installation manual for a detailed parts list.
- Headboard
- Side Rails (Upholstered)
- Footboard (Upholstered)
- Wooden Slats (Velcro-secured)
- Center Support Bar(s)
- Support Legs
- Hardware Pack (bolts, washers, Allen wrench)
- Installation Manual

Image: Visual summary of bed frame features including all-in-one package, mattress compatibility, and silent design.
4. Setup and Assembly Instructions
Follow these steps carefully for a smooth assembly process. It is recommended to have a second person assist.
- Unpack Components: Carefully remove all parts from the packaging and lay them out on a soft, clean surface to prevent scratches. Identify all components against the parts list in your manual.
- Assemble Headboard Supports: Attach the headboard support legs to the upholstered headboard using the provided hardware. Ensure they are securely fastened.
- Attach Side Rails and Footboard: Connect the upholstered side rails to the headboard and then attach the footboard to the other end of the side rails. Use the appropriate bolts and tighten them firmly.
- Install Center Support: Place the metal center support bar(s) within the frame and secure them according to the manual. Attach any additional support legs to the center bar(s) and the frame.
- Lay Out Slats: Unroll or place the wooden slats across the bed frame. The slats are typically connected and secured with Velcro to prevent shifting. Ensure they are evenly spaced and fully extended.

Image: Close-up of the bed frame showing the wooden slats and the connection to the headboard.
- Final Tightening: Double-check all bolts and connections to ensure they are tight and secure. Do not overtighten.
- Adjust Headboard Height: If your headboard has adjustable height settings, set it to your desired level based on your mattress thickness.

Image: Illustrates features like quiet sleep support, adjustable headboard height, and quick assembly.
5. Operating Instructions
This bed frame is designed for versatile use with various mattress types and heights.
- Mattress Compatibility: The platform design supports a mattress directly. A box spring can also be used if preferred.
- Adjustable Headboard: The headboard is designed to fit mattresses with a thickness between 8 to 12 inches. Adjust the headboard height during assembly to ensure a proper fit and aesthetic with your chosen mattress.

Image: Diagram showing the bed frame accommodating mattresses between 8 and 12 inches, with options for mattress only or mattress with box spring.
6. Maintenance
Proper maintenance will extend the life and appearance of your bed frame.
- Cleaning: Wipe the frame and upholstered surfaces with a dry cloth. For spills on velvet, gently blot with a clean, damp cloth and allow to air dry. Avoid harsh chemical cleaners.
- Regular Checks: Periodically check all bolts and connections to ensure they remain tight. Re-tighten if necessary to maintain stability and prevent squeaks.
- Under-bed Area: Utilize the 6.3 inches of under-bed clearance for storage. This space also allows for easy cleaning with a vacuum.

Image: Demonstrates the easy maintenance and cleaning under the bed frame due to its clearance, suitable for robot vacuums.
7. Troubleshooting
If you encounter any issues, refer to these common solutions.
- Squeaking Noises: Ensure all bolts are securely tightened. The integrated EVA pads are designed to reduce noise, but loose connections can still cause squeaks.
- Instability: Re-check all assembly steps, particularly the connections of the side rails, footboard, and center support. Ensure all legs are firmly attached and resting evenly on the floor.
- Headboard Not Fitting Mattress: Verify that your mattress thickness is within the recommended 8-12 inch range. Adjust the headboard height settings if available and ensure the mattress is properly positioned against the headboard.
- Missing Parts: If any parts are missing upon unboxing, please contact GRUSIGN customer support immediately.
8. Specifications
| Brand | GRUSIGN |
| Model Number | HFCJ-K-WHT |
| Size | King |
| Product Dimensions (L x W x H) | 81.1" x 76.77" x 45.28" |
| Material | Iron, Wood, Foam (Headboard) |
| Weight Capacity | 800 lbs |
| Recommended Mattress Thickness | 8-12 inches |
| Under-bed Clearance | 6.3 inches |
| Assembly Required | Yes |
| Care Instructions | Wipe with Dry Cloth |

Image: Detailed specifications for the GRUSIGN bed frame, including dimensions, materials, and weight capacity.
9. Warranty and Support
For any questions, concerns, or to report missing/damaged parts, please contact GRUSIGN customer support.
- Returns: This product typically includes a 30-day easy return policy. Please refer to your purchase documentation for specific return details.
- Contact Support: Visit the official GRUSIGN store on Amazon for contact information and further assistance: GRUSIGN Store.