Provides superior support for pipe, conduit, duct, cable tray and equipment. Foam bottom offers low abrasion interface for better roof membrane protection. Compatible with roof surfaces including single ply, bituminous, metal and spray foam. Provides superior load distribution, even with varying rooftop surfaces. Ready to use out of the box, saving installation time and labor. Multiple sizes and load ratings offer the ability to tailor the solution to the application. Easy to transport to the roof. Hot-dip galvanized and UV stabilized for long lasting performance. Supports green building requirements, thermoplastic bases are made from recycled material and can contribute to earning LEED credits.