12x16 barn(gambrel) shed 2 - shed plans - stout sheds llc 12x20 barn(gambrel) shed 2 - shed plans - stout sheds llc - duration: how to build barn style shed roof trusses - duration:. I have designed free plans for you to build a 12x16 gambrel shed. this is a large shed with double front doors, with a side door and two windows. you can easily add a loft to the shed to increase. These 12x20 barn shed plans are perfect for building your shed home, tiny house, small cabin, or backyard home office. the interior wall height is 7'1.5", the loft has 5' of head space, the front doors are 5' wide double shed doors..
