We strongly recommend that an underlay material is used beneath a flexible liner, not only to help protect it from puncture by sharp stones, roots etc, but also to stabilise soft sub-soils and reduce excessive localised stretching of the liner.

This material is available as a 2m wide strip. Remember to allow for a minimum 10cm - 20cm overlap per strip when calculating your underlay sheet requirements.

Please order an even number of meters as this product comes in 2m wide strips!

Price is per square meter, e.g if you require 10m2 then order qty 10.

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