We searched high and low for the right material to replace our old underlay and this is it! We've taken a product that is used under reservoirs and adapted it for use in the garden pond. Incredibly strong, easy to lay and made to last a lifetime, Permalay will protect your liner for years to come.
Puncture and tear resistant giving long lasting support for your liner
Flexible, to mould to the contours of your pond
Standard Underlay is sold in sizes which compliment the Polyex Liners. eg if you need a liner 6m x 5m, simply choose the same size for your underlay.
Bradshaws Direct (UK) - suppliers of pond liners (pvc and butyl liners), underlay, pond pumps, filters, pond vacuums, fish food, water features and many other water garden accessories.