... better than hot-dip galvanized and aluminum in water proof capability, beyond hot-dip galvanized in corrosion resistance. ... and general use may be painted without weathering or post-treatment. Its processed, welded capability is equal to ... ROOFING, EXTERNAL SIDING, GARAGE, BARRIER, SHUTTERHOUSEHOLD APPLIANCES: OVEN, EXPLOSION PROOF STEEL STRIP, AIR-CONDITION SYSTEM COVERING, SOLAR HEATING, ELECTRICAL ...