DEKTITE SQUARE PIPE FLASHING BOOT: #5 Black EPDM Pipe Flashing Dektite (OD pipe size 4 to 8) ~ Roof Jack Pipe Boot is on-site adjustable ~ pipe flashing attaches easily with roofing screws ~ By Deks Dektite #5 Black Dektite SQUARE Standard Flexible Pipe Boot Flashing. Base is 12-1/4" X 12-1/4". EPDM Rubber Boot with Flexible Base (Aluminum Collar). Pipe Boot Fits 4" to 8" Pipe OD. Black Dektite Pipe Flashing is Rated for Continuous Service Temperature Ranges of -58F to +239 F Dektite Base Seals Against Uneven Metal Roofing with Ease. Pipe Flashing Will Not Break or Crack. Metal Roofing Pipe Flashing Boot is Designed for on-site Adjustment