Installation Instructions (336 KB, PDF)
- Furnish and install the Portals Plus Quadraseal 481R at all points where up to four projections penetrate the roof system, and are each less than 1" in diameter.
- The Quadraseal shall include 60 mil EPDM compression molded body.
- The Quadraseal shall also include Portals Plus' Snaplock Clamps.
- Whenever necessary utilize PortalsPlus Adapters.
- Attachment of Quadraseal to roof system shall be done in accordance with Portals Plus Installation Instructions and the roofing membrane manufacturer's requirements.