1. Introduction
Thank you for choosing the Decksplore 320 Gallon Outdoor Storage Box. This durable and spacious storage solution is designed to keep your outdoor items protected from the elements. Made from weather-resistant resin, it offers a waterproof, UV-resistant, and lockable space for pool accessories, garden tools, patio cushions, and more. This manual provides essential information for assembly, operation, and maintenance to ensure long-lasting performance.
2. Safety Information
- Do not allow children to play inside the storage box. This is not a toy and can pose a suffocation hazard.
- Do not store flammable or hazardous materials inside the box.
- Ensure the box is placed on a level surface to prevent tipping and ensure proper lid function.
- Do not overload the box. Refer to the specifications for maximum weight capacity.
- Keep hands clear of the lid when closing to avoid pinching, despite the soft-close mechanism.
- Periodically check all connections to ensure they remain secure.
3. Package Contents
Before beginning assembly, ensure all parts are present and undamaged. If any parts are missing or damaged, please contact customer support.
- Side Panels (4)
- Bottom Panel (1)
- Lid (1)
- Hydraulic Rods (2)
- Metal Reinforcement Bars (2)
- Hardware Pack (screws, caps, lock mechanism)
- Instruction Manual (this document)
4. Assembly Instructions
The Decksplore 320 Gallon Outdoor Storage Box features tool-free assembly for most components, with minimal hardware required for the lid mechanism. It is recommended to have two people for easier assembly.
- Prepare the Base: Lay the bottom panel on a clean, flat, and level surface.
- Attach Side Panels: Snap the four side panels into the grooves of the bottom panel. Ensure all connections are secure and click into place.
- Install Reinforcement Bars: Insert the metal reinforcement bars along the top edges of the side panels and secure them with the provided screws.
- Attach Hydraulic Rods: Secure the hydraulic rods to the designated points on the side panels and the lid using the provided hardware. These rods assist in smooth opening and soft closing.
- Attach the Lid: Carefully align the lid with the top edges of the assembled box and snap it into place. Ensure the lid hinges are properly connected to the hydraulic rods.
For a visual guide, please refer to the installation video below:
Video: Installation of Decksplore 150 Gallon Outdoor Storage Box. This video demonstrates the general assembly process, which is similar for the 320 Gallon model.

Image: Step-by-step visual guide for assembling the storage box panels.
5. Operating Instructions
Opening and Closing the Lid
The storage box lid is equipped with hydraulic rods for smooth and controlled opening and closing. To open, simply lift the lid. It will stay open on its own. To close, gently pull the lid down; the hydraulic rods will ensure a soft, slow descent, preventing slamming.

Image: Detail of the hydraulic rod that ensures a soft-close lid.
Lockable Feature
For added security, the storage box includes a built-in lockable mechanism. You can insert a standard padlock (not included) through the designated holes on the front of the lid to secure your belongings.

Image: The lockable latch on the front of the storage box, ready for a padlock.
Storage Capacity and Seating
With a generous 320-gallon capacity, this box is ideal for storing a wide range of outdoor items. Its sturdy construction also allows it to be used as additional seating on your patio or deck.

Image: A woman organizing items within the spacious interior of the storage box.

Image: The storage box doubles as a sturdy bench for seating.
See the product in use and its storage capabilities:
Video: Overview of the 320 Gallon Outdoor Storage Box, showcasing its setup and storage capacity.
6. Maintenance
The Decksplore storage box is designed for low maintenance due to its durable resin construction.
- Cleaning: Clean the exterior with a soft cloth, mild soap, and water. Avoid abrasive cleaners or harsh chemicals, as they can damage the resin finish.
- Waterproof Seal: Periodically check the lid and panel connections to ensure the waterproof seal remains intact.
- UV Resistance: The resin material is UV-resistant to prevent fading and cracking from sun exposure. No special UV treatment is required.
- Winter Storage: While designed for outdoor use, clearing heavy snow or ice from the lid can prolong its lifespan.
7. Troubleshooting
- Lid not closing smoothly: Check for any obstructions around the hinges or inside the box. Ensure the hydraulic rods are properly attached and functioning.
- Water inside the box: Verify that all panels are securely snapped together and the lid is fully closed. Check for any damage to the resin material or seals. Ensure the box is on a level surface to prevent water pooling.
- Difficulty with assembly: Re-read the assembly instructions carefully. Ensure all parts are oriented correctly before snapping them into place. Do not force components; if they don't fit, recheck the alignment.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Decksplore |
| Model | 320 Gallon Outdoor Storage Box |
| Color | Grey |
| Material | Resin |
| Special Feature | Lockable |
| Style | Modern |
| Item Dimensions (L x W x H) | 67.72"L x 21.46"W x 33.66"H |
| Capacity | 320 Gallons |
| Storage Volume | 260 Gallons |
| Water Resistance Level | Waterproof |
| Opening Mechanism | Hinge with Hydraulic Rods |
| Assembly | Tool-free assembly instructions included |

Image: Visual representation of the product dimensions and capacity.
9. Warranty and Support
For warranty information, product support, or to report missing/damaged parts, please contact Decksplore customer service. Keep your purchase receipt as proof of purchase.