I have a travel trailer i am converting to a 16 ft coop. this wil be my second one and i am looking for a buyer. it will be custom order . The outside will be rubber coated, the roof will be supported for any snow load, I usually make them t bedrooms, automatic door, vinyl or rubber lined floor and 1/2 way up the walls, nesting boxes, and perches, electrical, park lights alwayys on.. in central WA state. Attached are pics of the last one i used for the last year and one pic of the new project.