Exterior, House Building Type, and Gable RoofLine A separate module, clad in corrugated steel, houses a pair of guest bedrooms, offering hosts and visitors alike a welcome degree of privacy. Proximity to the Blanco River means easy access to fishing, swimming, and kayaking, but also the possibility that river muck will piggyback its way into the house on unwashed feet.  Photo 5 of 11 in Modular Compound is the Ultimate Retreat for Three Generations