Used to join two pieces of EPDM together when it is not practical to have in one piece. E.g L shaped buildings.
When installing ensure your two pieces of EPDM you want to join are overlapping by 75mm (3"). Fold back the top layer, apply primer to both surfaces, wait until the primer is dry and release the backing tape.
Is a double-sided tape.
The primer must ALWAYS be installed prior to installation.