High-performance window and door flashing tape. A high tack, tenacious, durable, peel and stick air/vapor barrier tape system used for sealing PVC and aluminum fin windows and doors, window and door openings and as a full coverage air vapor barrier membrane. It is a high-performance window and door flashing tape designed to be applied down to -20 deg F (-28.88 deg C) without the use of primer or mechanical fasteners on most substrates. (Substrates must be tested for adhesion.) It utilizes a high tack pressure sensitive adhesive (PSA) combined with a high performance facer film. This design provides a full 12-month UV exposure. A greener, cleaner building tape solution that offers no VOC's, HFCC's, nor CFC's. It is non-toxic and non-allergenic. No off-gassing is produced during the manufacture nor installation of this product.