Toggle High Contrast Toggle Font size HomeAbout UsServices BlogReviewsFAQContact Us FAQ Contact Us DNS Exterior Inc. 122 E 9th St, Lockport, IL 60441 (815) 293-6311 www.dnsexterior.com About Us DNS Exterior Inc. is a local expert in installation of windows, siding, gutters, and roofing. Based in Lockport, Illinois. We enjoy working with our clients, both residential and commercial to improve the beauty and efficiency of their homes and businesses. Learn more [About Us] Hours of Operation Mon: 8AM–6PM Tue: 8AM–6PM Wed: 8AM–6PM Thu: 8AM–6PM Fri: 8AM–6PM Sat: 8AM–6PM Sun: 9AM–6PM Our Services Roofing Siding Windows Gutters Doors Privacy Policy Terms Of Service HTML Sitemap ©2020 DNS Exterior| Made with ❤️by SEOLEVELUP, LLC