The kit is composed of a laser cut MDF core overlaid with laser cut board and batten siding. As close to the original as we can get. The prototype located at Rockhill Furnace, PA on the East Broad Top railroad and still exists today. Our kit has our usual MDF core with the siding added over the top, includes our own windows and doors, and corrugated metal roofing...Other EBT yard structures available from the FEBT store, find them online.. Questions or Comments? email or call...Footprint is 18 1/4" long by 6 1/2" wide