EnviroDri Window & Door
Flexible Butyl Flashing for Arched Window and Door Openings
EnviroDri Window & Door is a high-performance, self-adhering flashing membrane designed for use around arched and curved openings. Composed of butyl rubber and a creped, cross-laminated polyolefin liner, this flashing delivers a reliable air and moisture seal that conforms to complex shapes. It fully integrates with the EnviroDri Weather-Resistant Barrier (WRB) System and maintains durability even in challenging climate conditions. The membrane is UV-resistant and designed for year-round use, offering installers flexibility and dependable performance.
Key Benefits
- Superior Flexibility: Conforms to arched and curved windows and doors for complete coverage.
- System Compatible: Seamlessly integrates with EnviroDri WRB for a unified envelope system.
- UV Resistance: Maintains effectiveness during prolonged sun exposure with up to 12 months UV protection.
- Cold-Weather Application: Can be installed in temperatures as low as 30 °F (–1 °C).
Common Applications
- Arched and curved window openings
- Rounded door frames
- Utility and mechanical penetrations
Packaging & Installation
EnviroDri Window & Door comes in rolls with a Kraft paper release liner that allows for smooth, easy installation. The self-adhering design eliminates the need for fasteners or primers and offers a secure bond to various substrates. It performs reliably in both high and low temperatures, ensuring proper adhesion and sealing performance on a wide range of job sites.
Product Properties
| Property | Value |
|---|---|
| Application Method | Self-adhered |
| Application Temperature | 30 to 150 °F (–1 to 66 °C) |
| Chemistry | Butyl rubber sheet with Kraft paper liner |
| Exposure Limit | 12 months |
See related flashing membranes like EnviroDri Pan & Arch. Visit Tremco Sealants for more system solutions.






