EnviroDri Pan & Arch
Butyl Flashing for Openings and Penetrations
EnviroDri™ Pan & Arch is a cold-applied, self-adhering flashing membrane designed to protect vulnerable areas such as window and door openings. This product features a durable butyl rubber sheet paired with a polyolefin liner, offering a reliable seal against moisture and air intrusion. The peel-and-stick design simplifies installation while providing long-term performance in a variety of climate conditions. Fully compatible with the EnviroDri Weather-Resistant Barrier (WRB) System, it enhances continuity across all transitions.
Key Benefits
- System Compatible: Seamlessly integrates with EnviroDri WRB for full-envelope protection.
- UV Resistance: Maintains performance with up to 12 months of UV exposure.
- Easy Installation: Peel-and-stick liner ensures efficient and consistent application.
- Cold-Weather Usability: Installs in temperatures as low as 20 °F (–7 °C).
Common Applications
- Window and door sills
- Arches and angled openings
- Mechanical penetrations and wall transitions
Packaging & Installation
EnviroDri Pan & Arch is supplied in roll form and features a Kraft paper liner for quick peel-and-stick application. No primers or mechanical fasteners are required. The flexible membrane easily conforms to irregular openings and remains effective even in cold temperatures. Its 12-month UV resistance allows for project flexibility during construction schedules.
Product Properties
| Property | Value |
|---|---|
| Application Method | Self-adhered |
| Application Temperature | 20 to 80 °F (–7 to 27 °C) |
| Chemistry | Butyl rubber sheet with polyolefin liner |
| Exposure Limit | 12 months |
For adjacent system components, see the EnviroDri Membrane. Learn more at Tremco Sealants.
