When it comes to dependable flashing tapes, Pine Cone Lumber has you covered. You just can't go wrong choosing FortiFlash by Henry Building Products. FortiFlash Butyl provides a strong, tear-resistant, self-sealing barrier to protect windows, doors, and through-wall penetrations from moisture intrusion. FortiFlash Butyl self-seals around nails and fasteners for lasting watertightness. Go with quality and value, go with Pine Cone Lumber!