Permavent High Tack Sealing Tape has been specifically designed by our team of experts to provide the strongest of seals when secured against a membrane lap or detailing such as window and/or door openings, Permavent High Tack Sealing Tape can also be used to repair minor rips and tears in the Envirotect membrane on application. Please contact a member of the Permavent technical team should you need guidance on suitability to repair or replace any installation damage.