Designed to water proof electrical conduit, masts, service poles and collared pipe penetrations through metal roofing panels. with UPC approval and 20 year warranty. Square base feature corrosion resistant band and rivets for fastening. Standard are available in gray or black, high temp in red. Round base (Zipperboot) feature stainless steel fastening teeth and aluminum fastening ring with grooved sealant holding base. Standard are gray and high temp are white.

The DMI square base "#101 retrofit" features corrosion resistant fastening snaps and tie. Standard EPDM and High Temperature silicone versions are available for order.