Protecto Wrap 827705525 Dualguard Threshold Tape, 5.5" x 25'Highlights: Threshold tape for entry patio door premium dual guard roll Wdth x Lgth= 5. 5" x 25' Flange acts like a gasket sealing off the sub floor and preventing air and moisture infiltration under the threshold Helps keep the door frame from racking and the sub floor from swelling and warping Eliminates the need for caulking Adheres to concrete wood and metal surfaces Self adhering 100 percent waterproof mold and mildew resistant Designed for all