The warranty covers faulty manufacturing and does not cover accidental damage,puncture by sharp objects. We suggest you use a underlay such as old carpet, thick wads of paper or you can buy ready made, this prevents the liner being punctured when the weight of water presses down.
When measuring the size you will need to add the depth and width and app 50cm to act as a sill round the edge.
Highly resistant to weathering and root development Non-toxic, environmentally friendly & UV/Rot resistant Extremely long service life, durable and repairable.
UK Based and VAT Registered Seller.