Gordon Low Greenseal Rubber Pond Liner 3m x 4mGreenseal is an EPDM liner of exceptional quality and is produced in Sweden by Trelleborga, our Butyl supplier. The material has the same physical characteristics as Butyl with a cost saving of some 30%. Greenseal has been used extensively by landscapers and civil engineers for lakes, canals and reservoirs; it also offers good flexibility for the more intricate pond designs and is the perfect alternative to Butyl. Greenseal Pond Liner carries a