30x40x12 Steel Building price includes: Double slope, gabled style, 1.12 roof pitch. Designed to codes for Tennessee, north Ga, north Ms. Design is for 15# snow load and 115 mph wind loads. All steel framing used in this pre-engineered metal building kit. Minimum 8" beams for rafter, columns, and roof and wall framing. Galvalume or zinc-aluminum coated silver screw down roof panels with 25 year rust warranty. Factory baked on 25 year color paint used on wall panels and tr...