Business Details
50+ Years
experience
Emergency
services
Trusted Skylight & Metal Roofing Experts in Chicago
Established in 1967, NSS Exteriors is Chicagoland's oldest and most respected skylight and architectural sheet metal contracting firm. Our expertise spans residential, commercial, and industrial applications, including skylights, sun tunnels, metal roofing, siding, and ventilation systems. With over 56 years of experience, we guarantee work that meets the highest industry standards, backed by a team of licensed, bonded, and insured professionals.We prioritize customer satisfaction through meticulous attention to detail, using only premium materials and proprietary installation techniques. As a family-owned business, we maintain full control over every project, ensuring transparency, reliability, and a commitment to leaving every worksite cleaner than we found it.
Services
Commercial Skylights
Residential Skylights
Sun Tunnel Installation
Metal Siding Repair
Skylight Leak Repairs
Architectural Sheet Metal
Industrial Windows
Canopy Systems
Hurricane Resistant Skylights
Solar Powered Skylights
Details
- Year established: 1967
Highlights and features
- 56 years of specialized expertise in skylight and sheet metal systems
- Family-owned business maintaining full control over all projects
- No subcontractors 100% in-house installation teams
- Satisfaction guarantee with meticulous attention to detail
- CRCA membership ensuring industry-leading standards
Associations and certifications
- Chicago Roofing Contractors Association (CRCA)
What people say
Professional installation
Prompt repairs
Energy efficiency improvements
Exceptional craftsmanship
Durable solutions
Services
Commercial Skylights
NSS Exteriors installs energy-efficient commercial skylights that enhance natural lighting while reducing energy costs. Our systems suit offices, warehouses, and industrial facilities. We offer flat roof installations, vaulted skylights, and emergency repairs. Each project receives customized solutions to meet specific architectural requirements and building codes.
Residential Skylights
We provide VELUX-certified residential skylight installations including fixed, manual, electric, and solar-powered options. Our solutions improve home energy efficiency and interior ambiance. All installations include weatherproofing guarantees and optional smart controls for ventilation and light management.
Skylight Leak Repairs
Our specialists diagnose and repair skylight leaks using manufacturer-approved materials. Services include reglazing, resealing, and full replacements. We prioritize rapid response for storm-damaged properties and offer lifetime warranties on select repair work to ensure long-term protection.
Architectural Sheet Metal
Custom sheet metal solutions for commercial buildings include siding, gutters, flashings, and panel walls. We work with stainless steel, aluminum, and galvanized materials. Our in-house fabrication shop ensures precise measurements and seamless integration with existing building systems.
Sun Tunnel Installation
Sun tunnel systems bring natural light to interior spaces without traditional skylight shafts. Ideal for hallways, bathrooms, and kitchens, our installations maintain roof integrity while maximizing light transmission. We offer insulated tunnel options for improved energy efficiency in all climates.
People
Paul Mitoraj
Owner
With 36 years in the sheet metal industry, Paul acquired NSS Exteriors in 2010 after working with the Nelson family since 1984. He oversees daily operations and maintains quality control standards across all projects.
Brad Mitchell
Project Manager
24-year construction veteran with 8 years managing commercial projects at NSS Exteriors. He ensures precision in installations and coordinates complex commercial jobs from survey to completion.
Ashlee Mitoraj
Office Manager
Handles CAD design, CNC programming for ACM panels, and serves as Velux Skylight Specialist. She manages technical documentation and ensures accurate material specifications for all projects.
Kristine Mitchell
Project Coordinator
Coordinates material logistics, project timelines, and safety compliance. She provides weekly progress reports to contractors and maintains the company's digital infrastructure.
Questions
What areas do you serve?
We serve Chicago, Alsip, and surrounding Chicagoland areas for both residential and commercial projects.
Do you offer emergency skylight repairs?
Yes, we provide prompt emergency repair services for storm-damaged or leaking skylights.
Are financing options available?
Yes, we offer flexible financing options for residential skylight installations and major projects.
What skylight brands do you install?
We specialize in VELUX skylights and offer various models including solar-powered and electric options.
Do you work on commercial properties?
Yes, we handle all commercial skylight installations, including industrial windows and metal roofing systems.
What warranties do you offer?
We provide manufacturer warranties on products and workmanship warranties on all installations.
