Rv garage plans or camper garages with high ceilings and tall garage doors for your boat, camper or rv motor home. these garage designs work for boats as well.. Detached boat and rv garage plans with at least one 10ft high door. fully engineered for approval from your building department. modifications available.. Just garage plans has the garage plans you need! whether you are looking to build a garage apartment, house an rv, or build a poolside cabana, we’ve got the garage.