4Front Engineered Solutions' TKO Dock Doors makes the VertiCool dock door, specifically designed for use with vertical storing dock levelers. Features of the VertiCool include a 4-inch thick R-23 insulated panel, 48-inch panel heights and a closed-cell foam interior. The exterior is a UV-stabilized painted aluminum skin, with dual overlapping header seal and compression loop bottom seals to maintain a consistent seal around all sides of the door, the company says.
