Christow Wooden Sleeper Cold Frame - Grey - Large

Protect your plants and extend your growing season with the Christow Raised Bed Cold Frame Greenho...

Best current price£49.99from B&Q

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B&QB&Q - Raised Bed Cold Frame GreenhouseGrey 100X65X40Cm
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£49.99
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DebenhamsChristow Unisex Grey Wooden Cold Frame Greenhouse Polycarbonate Panels Raised Beds In | Size: Large
Free delivery in 1–3 days
£49.99
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Product Information

Full details

The Christow Wooden Sleeper Cold Frame is an ideal solution for hobbyist gardeners and allotment enthusiasts looking to extend their growing season by providing a protected, insulated environment for seedlings and tender plants. Featuring a robust FSC-certified fir wood frame and UV-stabilised polycarbonate glazing, it successfully shields crops from frost and harsh weather while promoting consistent growth. While it offers excellent thermal regulation, users should note that the unit is designed specifically for raised beds or ground-level vegetable patches and requires careful placement to ensure proper sunlight exposure.

All features

Model Part Number5031470267544
BrandChristow

Extended Product Information

FAQs

Can I use this directly on the grass?

Yes, but for better results and longevity, placing it on a raised bed or a level paved area is recommended to prevent water pooling at the base.

Is the polycarbonate fragile?

The panels are durable and UV-stabilised, designed to withstand garden impacts, but should be kept clear of heavy snow loads.

How do I ventilate the frame?

Simply use the included powder-coated steel lifts to prop the lid at various heights depending on the required airflow.

Does it come with a base?

This model is designed as a frame that sits directly on your existing soil or raised bed.

What is the wood treated with?

The frame is made from FSC-certified fir wood; for maximum longevity, we suggest applying an additional exterior-grade wood preservative.

Is it easy to move?

It is lightweight enough to be moved by two people, but it is best to fix it in a permanent location once assembled.

Troubleshooting

Roof lid does not stay open

Check the tension on the powder-coated steel sliding lifts and ensure they are properly aligned with the fixing points.

Condensation build-up inside

This is normal during temperature changes. Open the hinged roof partially during the day to increase airflow.

Wood appears dry or grey

Apply a weather-proof wood treatment or exterior timber oil to maintain the finish and protect the wood against rot.

Pros and Cons

Pros

  • Durable FSC-certified timber construction
  • Effective UV-stabilised protection for plant health
  • Easy-to-use hinged roof for quick ventilation
  • Compact footprint ideal for raised beds
  • Rust-resistant hardware ensures long-term outdoor use

Cons

  • Requires manual assembly from flat-pack
  • Specific to raised bed or patch layouts
  • Cannot be used as a standalone walk-in greenhouse

Setup, Compatibility & Care

Assembly: The cold frame arrives flat-packed. Ensure you have a level surface or a pre-prepared raised bed area before beginning. Use the included rust-resistant fittings and follow the step-by-step instructions provided. It is recommended to assemble the frame near its permanent location to avoid moving the finished unit.

Compatibility: This model is specifically sized to fit standard garden raised beds. Measure your bed footprint before installation to ensure a flush fit against the frame edges.

Care: To extend the life of the wood, consider applying a coat of exterior-grade wood preserver or oil annually. During heavy snowfall, gently clear the polycarbonate roof to prevent excessive weight stress. Periodically check that the steel hinges and slides are clean of debris to ensure smooth operation.

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