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Wall Trim Flashing

Step by step guide on installing wall-trim flashing to your next EPDM Roofing project.

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Step 1

Thoroughly clean the wall, chase and rubber.

Step 2

Apply a thin coat of contact adhesive to the rubber and the wall .
Shop EPDM Adhesives

Step 3

Once touch dry, starting at the bottom, carefully mate the surfaces together. Smooth by hand and silicone roller.

Step 4

Trim membrane.

Step 5

Position a piece of 9” Formflash or a Detail Kit as shown and mark the perimeter, allowing an extra 1 cm.
Shop Flashings & Seam Tapes

Step 6

Apply Techno primer to the marked area using a Scrubber pad and handle, allow primer to dry.

Step 7

Peel back a section of backing paper and, starting from the top, slowly work downwards as shown.

Step 8

Apply a gentle heat source to the corner if needed.

Step 9

Thoroughly roller with Silicone and Penny Rollers.

Step 10

Insert wall trim into chase and secure at 600mm centres with the supplied fixings. Rawplugs are not needed if a 5.5mm masonry drill bit is used.

Step 11

Thoroughly seal chase with Wall Mastic.

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Looking for help or advice?

Click on our friendly RoofBot to help you work out what you need for your DIY TRC - Techno Rubber project, just input your dimensions, answer some simple questions and let RoofBot do the rest. If you still need assistance, don't hesitate to contact us at info@rubba-seal.co.uk or 01494 461711.

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