Standard-Roof and wall covering shall be 26 gauge steel ribbed panels. All painted steel panels shall receive a G-90 galvanized coating or galvalume coating before paint is applied. Panel material shall conform to yield strengths of 50 to 80 ksi. Unless otherwise specified the exposed surface of all galvanized panels, flashing and trim shall be color coated with a silicone modified polyester coating. Colored panels shall be selected from standard HCI colors. Roof and wall panels of other materials and thickness are available upon request. All panels will be continuous from base to eave, and frame ridge to eave, except where lengths become prohibitive for handling purposes.