30 Year Metal roofing; 2″x6″ floor joists set into notched 4″x6″ ground skids; 5/8″ tongue and groove flooring; 3/4″ tongue and groove flooring in all garages; 3/8″ industry leading siding. All buildings are sprayed with colored urethane coating; Truss plates on door & trusses for maximum durability; Standard wooden doors are 70″ wide and double opening; diamond-Plate thresholds, excluding cabins.