EPDM Roofing Calculator

PIPES THROUGH THE MEMBRANE – PIPE BOX POCKET

Training hub – all your questions answered!

For the best results, please follow the instructions as detailed below.
If you still have questions please feel free to contact us using the form here…

STEP 1

Ensure that the membrane around the pipe/penetration is clean, dry and free from dust or debris.

Apply EPDM edge sealant where the pipe box pocket will be located.

Ensure that the membrane around the pipe/penetration is clean, dry and free from dust or debris.
Clip the pipe box pocket together around the pipe/penetration and carefully lower onto the lap sealant.

STEP 2

Clip the pipe box pocket together around the pipe/penetration and carefully lower onto the lap sealant.

STEP 3

Carefully open the tub of primer and thoroughly stir.

Apply the EPDM primer using a paintbrush to all internal surfaces of the pipe box pocket, membrane and pipe/ penetration.

Apply the EPDM primer using a paintbrush to all internal surfaces of the pipe box pocket, membrane and pipe/ penetration.
Wait approximately 5 minutes (depending on temperature) for the primer to become touch dry and then carefully pour the one part pourable sealant into the pipe box pocket until it is full to the top.

STEP 4

Wait approximately 5 minutes (depending on temperature) for the primer to become touch dry and then carefully pour the one part pourable sealant into the pipe box pocket until it is full to the top.

STEP 5

After approximately one hour, apply a bead of lap sealant between the membrane and the bottom of the pipe box pocket to fully seal.

pipes through the membrane pipe box pocket 5 | Rubber Roofing Direct