Designed for the Big Square Composter, this extension module increases your available composting space.

• Extends (HCST0029) 905 litre Big Square wooden Garden Composter into 1810 litre model
• Facilitates twin-track composting strategy-use one compost heap whilst developing a new one.
• Specifically designed to be suitable for both garden waste and vegetable-based kitchen waste.
• Closed sides prevent compost from drying out to achieve even composting.
• Easy to assemble in just a few minutes-no nails or screws, or holes to dig.
• Made from solid wood, which is porous and insulating.
• High capacity facilitates heat generation and maintenance-perfect for destroying weeds and their seeds.
• Built to a height that works below waist height avoiding back strain
• Generous access to finished compost, with wheelbarrow access possible.
• Lid designed to maintain composter temperatures and prevent rodent ingress.
• Compost duvet manufactured from recycled woven plastic.   Bubble filling expands with the natural heat from the composter, maintaining high temperatures to optimise the composting process.