Abstract: According to embodiments described in the specification, an apparatus and method for lifting a roof onto a dwelling. A roof hoist with hooks and a frame is provided. Each hook is configured to slide under a portion of a roof and thereby support a portion of the weight of the roof. The frame is provided with locomotion means to facilitate positioning over a roof. A portion of the frame may be removed and lifted with the roof by overhead lifting means. The hooks are attached to the removeable portion of the frame. The roof may be deposited on a dwelling, and the hooks may then be disengaged. The removeable portion of the frame, along with the hooks, may be then be lowered and recoupled with the remainder of the frame.