The PHP-D model is designed to support any size of square or round duct at most any specified height above the roof surface. The support has a single cross bar below the duct in a goal post design.
PHP duct supports are created using hot-dipped galvanized steel and supported by high-density polypropylene bases with UV protection, that delivers a superior level of customization and sustainability against even the most intense environmental conditions. Duct support systems can be installed on any type of roof from flat up to sloped up to 2 in 12 slope without penetrating the rooftop surface. Each duct support system is designed and engineered to adhere to your specifications and can accommodate ducting at any height or width. All PHP duct supports carry our 5 year warranty and if a problem arises we will provide a replacement.