(4) Metallic Roof and Exterior Coverings
- The metal panels overlap one another and are securely attached to the wood or metal frame parts by metallic fasteners.
- The lower panel of the metallic exterior covering is secured by metallic fasteners at a cross member of the chassis by two metal straps per mobile home unit or section at opposite ends.
The bonding strap material shall be a minimum of 100 mm (4 in.) in width of material equivalent to the skin or a material of equal or better electrical conductivity. The straps shall be fastened with paint-penetrating fittings such as screws and star-washers or equivalent.