Cascade has sold Gordon Low butyl pond liners for over 25 years now and highly recommend butyl to line your pond.butyl rubber is 0.75mm thick and Lifetime Guaranteed.

Butyl Rubber Pond Liner...Lifetime Gauranteed

Butyl Rubber Pond Liner...0.75mm Thick

Butyl Rubber Pond Liner...The Best for your Pond

Butyl Rubber Pond Liner...Invest in your Koi

Butyl Rubber Pond Liners...Trouble free Water gardening