Foam or rubber base provides a low abrasion surface for better protection of the roofing membrane. Compatible with roof surfaces including single ply, bituminous materials, metal and spray foam. Provides superior load distribution, even on uneven roof surfaces. Rubber pad ideal for solar panel installations. Kit includes 2 bases with pre-installed fasteners, 6 bolts, 6 rail nuts and 2 L-brackets for a complete H-frame. Hot dip galvanized and UV stabilized for long life. Accepts standard strut mounting rails.