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Are Outdoor Storage Cabinets Waterproof?

Published on
6 min read
Are Outdoor Storage Cabinets Waterproof? image

Best Outdoor Storage Cabinets to Buy in October 2025

1 Sterilite 4 Shelf Cabinet, Lockable Utility Storage w/ Adjustable Shelves, Gray - Plastic Shelving Unit for Organizing Garage, Pantry, Basement, Laundry Room or Mudroom

Sterilite 4 Shelf Cabinet, Lockable Utility Storage w/ Adjustable Shelves, Gray - Plastic Shelving Unit for Organizing Garage, Pantry, Basement, Laundry Room or Mudroom

  • SPACIOUS DESIGN: AMPLE STORAGE WITH ADJUSTABLE SHELVES FOR VERSATILE NEEDS.
  • RUGGED DURABILITY: DENT AND RUST-RESISTANT FOR LONG-LASTING PERFORMANCE.
  • QUICK ASSEMBLY: TOOL-FREE SETUP IN MINUTES FOR INSTANT ORGANIZATION.
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$107.99 $115.08
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Sterilite 4 Shelf Cabinet, Lockable Utility Storage w/ Adjustable Shelves, Gray - Plastic Shelving Unit for Organizing Garage, Pantry, Basement, Laundry Room or Mudroom
2 Suncast Tall Storage Cabinet, Platinum Resin Outdoor & Garage Storage Cabinet with Doors & Shelves, Plastic, Weather-Resistant, Lockable, Freestanding Utility Closet for Tools & Supplies, Made in USA

Suncast Tall Storage Cabinet, Platinum Resin Outdoor & Garage Storage Cabinet with Doors & Shelves, Plastic, Weather-Resistant, Lockable, Freestanding Utility Closet for Tools & Supplies, Made in USA

  • WEATHER-RESISTANT DURABILITY: HEAVY-DUTY RESIN PREVENTS RUST AND WARPING.
  • SECURE STORAGE: LOCKABLE DOORS KEEP TOOLS AND CHEMICALS SAFE.
  • CUSTOMIZABLE SPACE: ADJUSTABLE SHELVES HOLD UP TO 75 LBS EACH.
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$229.00 $294.99
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Suncast Tall Storage Cabinet, Platinum Resin Outdoor & Garage Storage Cabinet with Doors & Shelves, Plastic, Weather-Resistant, Lockable, Freestanding Utility Closet for Tools & Supplies, Made in USA
3 LHBcraft Outdoor Storage Cabinet 36 Cu Ft with Lockable Doors, Portable Horizontal Resin Storage Shed -Easy to Assemble, Waterproof Outdoor Storage Box for Backyards,Patios

LHBcraft Outdoor Storage Cabinet 36 Cu Ft with Lockable Doors, Portable Horizontal Resin Storage Shed -Easy to Assemble, Waterproof Outdoor Storage Box for Backyards,Patios

  • WEATHER-RESISTANT RESIN KEEPS YOUR ITEMS SAFE IN ANY OUTDOOR CONDITIONS.
  • AMPLE 36 CU. FT. CAPACITY FOR VERSATILE OUTDOOR STORAGE SOLUTIONS.
  • SECURE DOUBLE-LOCK DESIGN ENSURES SAFETY FOR ALL STORED BELONGINGS.
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$189.99 $259.99
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LHBcraft Outdoor Storage Cabinet 36 Cu Ft with Lockable Doors, Portable Horizontal Resin Storage Shed -Easy to Assemble, Waterproof Outdoor Storage Box for Backyards,Patios
4 Suncast 19 Cubic Ft. Heavy-Duty Resin Cabinet with Lockable Handles, Multi-Wall Construction, and Metal-Reinforced Shelves for Basement, Utility Room and Garage Storage, Black, Made in the USA

Suncast 19 Cubic Ft. Heavy-Duty Resin Cabinet with Lockable Handles, Multi-Wall Construction, and Metal-Reinforced Shelves for Basement, Utility Room and Garage Storage, Black, Made in the USA

  • MAXIMIZE ORGANIZATION: KEEP TOYS, TOOLS, AND SUPPLIES CLUTTER-FREE!
  • BUILT TO LAST: DURABLE RESIN RESISTS WARPING, RUST, AND DENTS.
  • SECURE YOUR ITEMS: LOCKABLE HANDLES PROVIDE ADDED PEACE OF MIND.
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$232.59 $325.00
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Suncast 19 Cubic Ft. Heavy-Duty Resin Cabinet with Lockable Handles, Multi-Wall Construction, and Metal-Reinforced Shelves for Basement, Utility Room and Garage Storage, Black, Made in the USA
5 Devoko 30 Gallon Resin Deck Box Waterproof Outdoor Storage Box for Patio Furniture Pool Accessories Indoor Storage for Cushion Garden Tools (30 Gallon, Black)

Devoko 30 Gallon Resin Deck Box Waterproof Outdoor Storage Box for Patio Furniture Pool Accessories Indoor Storage for Cushion Garden Tools (30 Gallon, Black)

  • LIGHTWEIGHT & DURABLE: HIGH-DENSITY RESIN, JUST 8.8 LBS, UV & WATERPROOF.

  • DUAL FUNCTIONALITY: EXTRA SEAT FOR ADULTS, SUPPORTS UP TO 220 LBS.

  • SECURE & PORTABLE: BUILT-IN LOCK, EASY TRANSPORT WITH ARMRESTS.

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$32.99 $39.99
Save 18%
Devoko 30 Gallon Resin Deck Box Waterproof Outdoor Storage Box for Patio Furniture Pool Accessories Indoor Storage for Cushion Garden Tools (30 Gallon, Black)
6 Outdoor Storage Cabinet & Potting Bench Table with Metal Top, Wooden Patio Furniture, Garden Workstation (Classic Grey, 36x31x17in)

Outdoor Storage Cabinet & Potting Bench Table with Metal Top, Wooden Patio Furniture, Garden Workstation (Classic Grey, 36x31x17in)

  • FARMHOUSE DESIGN IN PREMIUM CEDAR ADDS RUSTIC CHARM TO ANY SPACE.
  • ASSEMBLES IN JUST 20 MINUTES-NO COMPLICATED SETUP REQUIRED!
  • VERSATILE POTTING BENCH OFFERS AMPLE STORAGE FOR ALL YOUR GARDENING NEEDS.
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$98.99
Outdoor Storage Cabinet & Potting Bench Table with Metal Top, Wooden Patio Furniture, Garden Workstation (Classic Grey, 36x31x17in)
7 Rubbermaid Freestanding Storage Cabinet with Doors 18"D x 36"W x 37"H Medium Gray/Black Two-Shelf Lockable Cabinet for Indoor/Outdoor/Garage Storage for Garden Tools/Lawn Care Accessories

Rubbermaid Freestanding Storage Cabinet with Doors 18"D x 36"W x 37"H Medium Gray/Black Two-Shelf Lockable Cabinet for Indoor/Outdoor/Garage Storage for Garden Tools/Lawn Care Accessories

  • DURABLE RESIN BUILD: VIRTUALLY MAINTENANCE-FREE, WON'T RUST OR ROT.

  • EASY ASSEMBLY: TOOL-FREE, SNAP-TOGETHER DESIGN FOR QUICK SETUP.

  • SECURE STORAGE: LOCKABLE DOORS KEEP VALUABLES AND HAZARDS SAFE.

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$149.00
Rubbermaid Freestanding Storage Cabinet with Doors 18"D x 36"W x 37"H Medium Gray/Black Two-Shelf Lockable Cabinet for Indoor/Outdoor/Garage Storage for Garden Tools/Lawn Care Accessories
8 EHHLY Heavy Duty Tall Storage Cabinet Outdoor Weatherproof, 28 Cuft Garage Storage Cabinet with 4 Adjustable Shelves, Lockable Kitchen Pantry Closer Organizer, 31Wx23Lx66H, Sage Grey

EHHLY Heavy Duty Tall Storage Cabinet Outdoor Weatherproof, 28 Cuft Garage Storage Cabinet with 4 Adjustable Shelves, Lockable Kitchen Pantry Closer Organizer, 31Wx23Lx66H, Sage Grey

  • ADJUSTABLE SHELVES FOR EFFORTLESS ORGANIZATION OF TOOLS AND SUPPLIES.
  • HEAVY-DUTY DESIGN ENSURES DURABILITY AND LONG-LASTING PERFORMANCE.
  • LOCKABLE DOORS PROVIDE SECURITY AND WATERPROOF PROTECTION FOR ITEMS.
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$219.58
EHHLY Heavy Duty Tall Storage Cabinet Outdoor Weatherproof, 28 Cuft Garage Storage Cabinet with 4 Adjustable Shelves, Lockable Kitchen Pantry Closer Organizer, 31Wx23Lx66H, Sage Grey
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ONE MORE?

Outdoor storage cabinets are often designed to be water-resistant or waterproof to protect their contents from rain and moisture. The level of waterproofing can vary based on the materials used and the design of the cabinet. Many outdoor storage cabinets are made from plastic, resin, or treated wood, which offer varying degrees of protection against water. Plastic and resin cabinets generally provide good waterproofing, as these materials are resistant to moisture and do not absorb water. Treated wood cabinets, on the other hand, may require additional coatings or finishes to enhance their waterproof capabilities. Seals, gaskets, and design features like sloped roofs are often incorporated to further prevent water ingress. However, it's important to check product specifications and reviews to ensure that a particular outdoor storage cabinet meets your specific waterproofing needs.

How to prevent mold in a waterproof outdoor cabinet?

Preventing mold in a waterproof outdoor cabinet involves managing moisture, ensuring good airflow, and maintaining hygiene. Here are some steps you can take:

  1. Quality Installation: Ensure the cabinet is well-sealed and properly installed. Any gaps or poor sealing can allow moisture to enter, which can lead to mold growth.
  2. Ventilation: Even a waterproof cabinet can trap humidity. Consider adding vents to promote airflow. If the cabinet isn't naturally ventilated, try to ventilate it manually by opening it periodically when weather permits.
  3. Use Desiccants: Place moisture absorbers like silica gel packs, activated charcoal, or specialized desiccant packs designed to reduce humidity inside the cabinet.
  4. Regular Cleaning: Clean the cabinet regularly with mold-inhibiting products like vinegar, baking soda, or commercial mold removers. This helps to remove any spores before they develop into mold.
  5. Air Circulation: If feasible, install a small battery-operated fan inside the cabinet to enhance air circulation, reducing stagnant air which can contribute to mold growth.
  6. Location Matters: Position the cabinet in a well-lit, dry location if possible. Sunlight and air exposure can naturally inhibit mold, but ensure it doesn't lead to excessive heat or warping.
  7. Store Dry Items: Ensure everything you place into the cabinet is dry. Wet items can increase humidity levels inside the cabinet.
  8. Seal Items Properly: Use sealed containers for storing smaller items inside the cabinet to prevent moisture transfer and limit mold growth on individual items.
  9. Regular Inspections: Check the cabinet regularly for signs of mold or mildew, such as a musty smell or discoloration, and address any issues immediately.
  10. Dehumidifiers: For larger cabinets, consider using a small, rechargeable dehumidifier if power supply is not a constraint.

By staying proactive about moisture control and regular maintenance, you can effectively minimize the risk of mold growth in a waterproof outdoor cabinet.

How to install shelves in a waterproof outdoor storage cabinet?

Installing shelves in a waterproof outdoor storage cabinet can enhance its functionality and organization. Here's a step-by-step guide to help you through the process:

Materials Needed:

  • Shelving kit or planks (compatible with your cabinet)
  • Measuring tape
  • Pencil or marker
  • Level
  • Drill with bits
  • Screws or brackets (rust-resistant for outdoor use)
  • Screwdriver
  • Safety goggles and gloves

Steps:

  1. Read Instructions: If your cabinet or shelving is a specific model or brand, read the manufacturer's instructions for any specific requirements or limitations.
  2. Plan Layout: Decide where you want the shelves to be placed. Consider the height and usage of stored items to determine the distance between shelves.
  3. Measure and Mark: Use a measuring tape to mark where the brackets will be installed. Make sure your markings are level using a carpenter's level. Ensure that your measurements take into account any shelving hardware requirements.
  4. Prepare the Cabinet: If your cabinet is freestanding, you might want to place it on its back for easier installation. Put on safety goggles and gloves before proceeding.
  5. Drill Holes: Drill pilot holes at the marked spots using an appropriate size drill bit for the screws you will use. This helps prevent cracking in some materials.
  6. Install Brackets: Secure the shelving brackets at the marked locations using a drill or screwdriver. Ensure brackets are level and firmly attached, as they need to support the weight of the shelves and stored items.
  7. Place Shelves: Position the shelves onto the brackets. Secure the shelves to the brackets if your design requires this (some brackets have built-in clips or screws).
  8. Test Stability: Gently press down on the shelves to test stability. Adjust the brackets or screws if necessary to ensure everything is secure.
  9. Organize Your Items: Once the shelves are securely installed, organize your items as desired. Keep heavier items on the lower shelves for better stability.

Additional Tips:

  • Use rust-resistant or stainless-steel screws and brackets to prevent corrosion over time.
  • If your cabinet has specific ventilation or drainage features, ensure your shelves do not obstruct them.
  • Consider using adjustable shelving if you frequently change the items stored or need flexibility with shelf height.

Always prioritize safety, and if you’re unsure about any part of the process, consult a professional or refer to specific instructions for your storage cabinet model.

What are the benefits of a waterproof outdoor storage cabinet?

A waterproof outdoor storage cabinet offers several benefits, making it a valuable addition to any outdoor setting. Here are some of the key advantages:

  1. Protection from Elements: These cabinets shield their contents from rain, snow, and moisture, preventing water damage and rust.
  2. Durability: Waterproof cabinets are often constructed from strong materials like resin, plastic, or treated wood, providing longevity and resistance to wear over time.
  3. Organization: With designated storage spaces, they help keep outdoor areas tidy by organizing tools, equipment, and supplies.
  4. Security: Many models come with lockable doors, offering protection for your belongings from theft or unauthorized access.
  5. Versatility: They can store a wide range of items, from gardening tools and sports equipment to outdoor cushions and pool supplies.
  6. Low Maintenance: Thanks to their weather-resistant materials, these cabinets generally require minimal cleaning and maintenance.
  7. Space Efficiency: By utilizing vertical space, they offer substantial storage capacity without taking up much ground area.
  8. Aesthetics: Available in various designs and finishes, they can complement outdoor decor and enhance the visual appeal of your space.
  9. Convenience: Having storage outside means you can access your tools and supplies easily without needing to go into your house.
  10. Increased Longevity of Stored Items: By providing a controlled environment, they help extend the life of stored items, protecting them from environmental damage.

Overall, a waterproof outdoor storage cabinet is a practical solution to keep outdoor areas organized, safe, and visually pleasing while protecting your belongings.