Frost King V27WA EPDM Rubber Self-Stick Weatherseal Tape, D-Section, 9/16" W, 5/16" T, 10 ft L, White, 1 High compression product - spring back to shape ever after long exposure to subfreezing conditions It will not harden, crack or freeze even at 40 below zero Can be applied to interior or exterior surfaces Epdm rubber foam has 10 year guarantee Fills irregular and wide gaps Fits wide gaps Long lasting Will not crack or freeze Retains shape after freezing Fits one average window or door Fits wide gaps Long lasting Will not crack or freeze Retains shape after freezing Fits one average window or door