Self-adhesive flashing tape. This type of tape is used in construction and repair projects to create a watertight seal around openings and penetrations in exterior walls, such as windows and doors.
Key information about this product includes:
It is a self-adhesive, waterproof membrane.
It is designed to seal against air and water intrusion, reducing the risk of water damage.
The tape can conform and seal around nails and staples.
It is often made with materials like a polypropylene film with a butyl rubber adhesive backing or an aluminum foil and bitumen rubber adhesive.