Alco Exteriors has been serving the people of Northwest Indiana since 1995. Licensed, bonded, and insured, we offer roofing, siding, and window systems by all major manufacturers for both residential as well as commercial installation. Our team of experienced roofing, window, and siding technicians is among the most highly trained in the business for roofing, window replacement, vinyl siding, aluminum siding, soffit, fascia, trim, and more. We maintain in-house training to keep up with industry standards and regulations