... optional§ They can be made taller with up to 12’ legs availableMetal Buildings Color Chart 40’ Wide Metal ... can make garages taller in 1’ increments up to 12’ legs.Do the steel garages come in wider and ... sizes available in our steel and metal garages. They come 12’, 18’, 20’, 22’, and 24’ wide. The ... If you upgrade the building from the 14-GA tubing to the 12-GA stronger, thicker tubing you get a 20- ...