The Garantia THERMO-STAR Composter 600L is a top of the range composter that has been sustainably built using Thermolen®, which offers insulation for your compost, speeding up the composting process.

Thermolen® is an innovative new material that utilises foam in its construction, providing highly insulated walls that work wonders for composters as it retains heat which in turn expedites the composting process. Sustainably manufactured, Thermolen® is both recyclable and is made from 100% recycled polypropylene. In addition, the material is UV and weather-resistant so it can be used throughout the year.

Air circulation within the composter is maximised by way of the ventilation slots built into the Thermolen® walls further speeding up the composting process. Packing the composter is made easy using the integrated lid which is built into the cover, at the top of the unit. Furthermore, emptying the contents of the composter is easier still, facilitated by opening hatches on each side of the composter, giving you a versatile unit.

To ensure the best results, position your composter in sunlight or semi-shade and in an area with not too much wind exposure. The heat of the sun will evaporate water from the contents of the composter, but too much sun will dry it out completely; the rotting process requires moisture but not saturation.

Key Features

  • Reduce your Household Waste Saving Money and Fertilizer
  • Easy to Fill Through the Lid Integrated into the Cover
  • Easy to Empty From All Sides of the Unit
  • Constructed from Thermolen® - 100% Recycled Polypropylene
  • Insulated Walls with Ventilation Slots Retain Heat, Speeding Up the Composting Process
  • UV and Weather Resistant for a Long Life
  • Includes 3 Year Manufacturer's Guarantee


Brand: Garantia
Capacity: 600 Litres
Colour: Green
Depth: 110cm (3ft 7in)
Guarantee: 3 Years Limited
Height: 102cm (3ft 4in)
Weight: 16kg (35lb)
Width: 110cm (3ft 7in)

PDF Downloads

THERMO-STAR Composter 600L Instructions

Delivery Information

Fast Free Delivery within Mainland UK.
We offer free delivery within mainland UK on our Garantia products. Unfortunately, we are unable to deliver outside of mainland UK.

Delivery Period
Delivery will typically be made within 3 - 5 working days but may be extended during busy times of the year. For larger products, the carrier will call and book in a convenient delivery date. For other products, a delivery date will be provided by email from the carrier, which will include a link to allow tracking online.

Unloading Of Your Delivery
Due to the nature of this product, delivery will be made to the front of the property to the nearest location. Our drivers will not carry these items inside your home or back garden. When the item is delivered on a pallet, the pallet and packaging are non-returnable and the goods can only be manoeuvred on a flat and level surface (i.e. not a gravel driveway) by a pallet truck. On some occasions, the driver will split the package to assist with manoeuvring of the item. Once you are happy, we will ask you to check the condition of the goods and sign for the delivery.

Vehicles We Use
Larger items will be delivered on larger lorries which can get to most places it's typically, a 7.5 ton lorry which is about the size of a dustbin lorry, this will depend on the item that is being delivered and should you have any concerns with restricted access to your property we ask you to contact us prior to placing an order.

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