Quick answer

Keter sheds are made from a durable resin composite that resists weather, rot, and impact, while many plastic sheds use thinner, less robust materials. If you need a long-lasting, low-maintenance outdoor shed, Keter's resin construction offers better durability and wind resistance. For lighter, budget-friendly storage, a basic plastic shed can suffice, but expect a shorter lifespan.

Material and durability

The core difference lies in the material. Keter sheds use a resin composite that is weather-resistant, won't chip, peel, flake, or rot, and can withstand significant wind and snow loads. For example, the Manor 6x8 Storage Shed is wind resistant up to 65 mph, and the Signature Pent Shed 9x7ft has a steel-reinforced roof that can hold up to 150kg of snow. Standard plastic sheds often use thinner, single-wall plastic that can become brittle in extreme temperatures and may not offer the same structural integrity.

Assembly and maintenance

Keter sheds come as all-inclusive kits with easy assembly, often with double-wall panels and steel reinforcement that lock together securely. They are designed to be maintenance-free—no painting, sealing, or treating required. Plastic sheds may also be relatively easy to assemble, but they can require more frequent upkeep, such as checking for cracks or warping, and may need additional anchoring to withstand strong winds.

Cost and value

Keter sheds generally cost more upfront than basic plastic sheds, but they offer better durability and a longer lifespan, which can make them a better value over time. If you plan to store heavy items like lawn mowers or ladders, the extra investment in a Keter shed's stronger construction is worthwhile. For occasional, light-duty storage, a cheaper plastic shed might meet your needs, but be prepared for potential replacement sooner.

Trade-offs to consider

  • Durability vs. cost: Keter sheds use resin composite that resists weather, rot, and impact, but they cost more. Basic plastic sheds are cheaper but may crack or fade over time. Invest in a Keter shed if you want a long-term solution.
  • Assembly effort: Both types are DIY-friendly, but Keter's all-inclusive kits include everything you need and often feature double-wall panels for easier alignment. Plastic sheds may require more fiddling with thin panels. Choose Keter for a smoother assembly experience.
  • Storage capacity: Keter sheds come in various sizes, like the compact Darwin 6x4 or the larger Manor 6x8, giving you options for different yard spaces. Plastic sheds may have limited size ranges. Match the shed size to what you actually need to store.

Keter shed examples

  • Darwin 6x4 Storage Shed - Graphite: The Darwin 6x4 Storage Shed is great for areas where space is limited, and its easy assembly is due to the all-inclusive shed kit. It can store ladders, large gardening tools, and even push lawn mowers, with sturdy double doors, a skylight, included shed floor, and built-in ventilation. This compact shed gives you a durable, weather-resistant space for essential outdoor gear without taking up too much yard, and the included floor saves you from extra concrete or wood work.
  • Manor 6x8 Storage Shed - Grey: The Manor 6x8 Storage Shed is made from a durable resin that is weather-resistant and wind resistant up to 65 mph. It is double walled with steel reinforcement, and its large double doors allow easy access to stored items like ladders and gardening equipment. If you need a medium-sized shed that can handle strong winds and frequent use, the Manor's reinforced construction offers peace of mind and easier access to bulky tools.

Which shed is right for you?

Best for

  • Homeowners who need a durable, low-maintenance shed that lasts for years
  • Storing heavy or bulky items like lawn mowers, ladders, and large gardening tools

Not for

  • Budget shoppers who only need temporary, light-duty storage
  • Those with very limited space who want a small, inexpensive plastic unit