
GreenGuard Butyl Flashing
Top-of-the-line self-adhering flashing of polyolefin film/butyl adhesive


GreenGuard® Corner Flashing is a pre-formed polyethylene product with UV protection used at window and door corners to form a waterproof barrier and direct water away from the opening. Designed with a thin, flexible profile for integration into standard flashing systems. Available in 3" and 6" sizes.
Product Highlights
Pre-formed polyethylene corner flashing
Thin, flexible profile
No sealants required
No priming required

A durable, pre-formed corner flashing that creates a consistent, watertight barrier at window corners—helping channel water away, reduce installation time, and