Kitchen, Range, Wood Backsplashe, Recessed Lighting, White Cabinet, Laminate Counter, Undermount Sink, Light Hardwood Floor, Range Hood, and Vinyl Floor Draper's frame consists of cold-rolled steel and closed-cell spray insulation for the floor, walls, and roof. Land Ark RV added an extra layer of rigid insulation outside the framing for the walls and ceiling.  Photo 5 of 16 in This Adventure-Ready Tiny House Has a Mud Room and a Fold-Down Deck