Below is our guide to the different details you may come across when laying an EPDM membrane on a flat roof. There is also a table at the bottom of the page that details the various methods of achieving these details.
You can click on the installation method below to be taken to the instruction guides.
| Substrate bonding | P150 (PUR Adhesive | or | Water-Based Adhesive (with Contact Adhesive Perimeter) |
| Site seaming/joining | Seam Tape with Tape Primer | ||
| Perimeter Reinforcing (adjacent to angle changes) |
Reinforced Perimeter Strip secured via seam plates or flat bar to deck or wall and to EPDM | ||
| Upstand bonding | Contact Adhesive | ||
| Wall detailing/termination | Under cope detail (membrane bonded across the width of wall) | or | Chase detail with cover flashing |
| Internal corners | Fold and dress membrane | ||
| External corners | Cover with Flashing Tape | ||
| Edge detailing | Kerb Edge | or | Gutter Drip Edge |
| Skylights | Membrane bonded to skylight skirt and detailed with Flashing Tape | ||
| Horizontal outlets | Horizontal Drain Outlet mechanically fixed and covered with Flashing Tape | ||
| Vertical outlets | Internal Drain Outlet mechanically fixed and covered with Flashing Tape | ||
| Vent/Pipe penetrations | Pipe Boot | or | Flashing Tape |
