Karnak Karna-Flex is a black elastomeric sealant for EPDM surfaces, weathered PVC roof membranes and weathered TPO membranes.

It can be easily brush-applied, making it an ideal solution for repairing and sealing splits, seams and leaks.

As a standalone system Karna-Flex should be applied at 2ltrs per m² overall in 2 coats, 1ltr each coat.

Product will cure within approximately 24 hours.

It is particularly suited to sealing metal roof seams, repairing PVC guttering and sealing around rooflights.