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How to fit EPDM to a Through Wall Outlet

Step 1

Use contact adhesive to dress membrane up wall and through outlet.

Step 2

Apply primer in and around aperture including the upstands.

Step 3

Using 9 inch flashing, line the cheeks inside the outlet and gently stretch around the corners.

Step 4

Now seal the mouth of the outlet with 9 inch flashing tape.