Height adjustment allows pipes, conduits, ventilation ducts and cable trays to be effectively routed around obstacles. Foamed overlay provides a low abrasion surface for better protection of the roof covering. Compatible with roof surfaces including single ply, bituminous materials, metal and spray foam. Provides superior load distribution, even on uneven roof surfaces. Ready to use out of the box, saving installation time and labor. Available in multiple sizes and with different load capacities, the system can be customized to suit the application. Hot-dip galvanized and UV-stabilized for a long service life.