Preferred Contracting is a siding and roofing contractor in Newton, IA, that works for homeowners as well as home builders. We specialize in roofing, siding, and other home improvement projects. With more than 30 years of experience, you can place your full confidence in our ability to provide you with quality home improvement services, including window and door installation and home insulation. Nobody beats our price and workmanship, nor does anybody use better materials than we do. Shop anywhere in the world first, and see us last.