plastic planter liners uk 2m² High Density Plastic 0.2mm Barrel Pond/Planter Liner – Planters.co.uk

Designed for use with garden ponds and barrel water features, our 2m² HDPE 0.2mm Pond Liner is a flexible, lightweight solution that fits neatly inside oak whisky barrels and similar containers. Whether you’re building a pond or converting a barrel into a planter, this liner provides added protection and long-term durability.

• Near-perfect fit for our 90cm diameter barrels
• Size: 2m² (can be easily trimmed to suit your container)
• Thickness: 0.2mm HDPE – thin, waterproof, and discreet
• Flexible and easy to shape – conforms to curves and corners
• UV-resistant – built to last outdoors without degrading
• Fish and plant safe – ideal for wildlife-friendly pond setups

This liner is especially useful during hot or dry conditions, when oak barrels may shrink slightly before re-sealing. Lining the barrel ensures it holds water immediately, with no waiting for the wood to expand.

Also suitable for planters: If you're using your barrel as a raised container, the liner helps prevent rot from constant soil moisture, reducing wear on the timber and extending the life of the barrel.

Installation tip: Simply press the liner into the base and sides of your barrel, trim any excess, and fill with water or compost as needed. No adhesives or sealing products required.