Full-Service Roofing & Exteriors
Our residential and commercial projects include roofing, siding, windows, gutters, concrete, masonry and more. Our team can handle almost any task you need done.
Residential Roofing
We understand the importance of building a home that is both beautiful and functional. Our team works with you every step of the way. Metal, Shingles, Wood Shake, and Slate.
Commercial Flat Roofs
We specialize in modern and functional commercial buildings. From offices to retail spaces, we deliver exceptional results. PVC, EPDM, TPO, and Modified Bitumen systems.
TPO Roof Installation
Our team of experts can transform your existing space into something new. We tear off old modified bitumen and install durable, reflective TPO with polyiso insulation.
Masonry & Tuckpointing
Our experienced team ensures every project is completed correctly. Masonry tuckpointing, brick replacement, and parapet wall reconstruction for proper results.
Metal Roofing & Siding
Transform your home or business with high-quality metal roofing and siding. Durable, energy-efficient solutions designed to withstand the elements and improve curb appeal.
Vinyl Siding & More
Expert vinyl siding installation and repairs — affordable, durable, and energy-efficient. Plus decks, fences, concrete, gutters, windows, and interior remodeling.
Why Property Owners Trust Us
We don't just fix roofs — we protect your biggest investment.
Warranty on Every Job
We stand behind our work. Every project comes with a warranty, and we service the roof for its entire lifetime. If you ever have a leak, we'll be there.
Insurance Claim Experts
Storm damage? We work directly with your insurance company to handle the claim process, so you get the coverage you deserve — stress-free.
Licensed, Bonded & Insured
Full credentials and liability coverage for your peace of mind. We're the pros — not a handyman with a ladder.
Fast Turnaround
We keep our promise of on-time completion. Quick project starts and efficient crews mean less disruption to your life or business.
Transparent Pricing
No hidden fees, no surprise charges. We give you a clear, fair estimate upfront and stick to it.
Full Exterior Service
Roofing, siding, gutters, windows, masonry, concrete, decks, fences — one contractor for everything. Less hassle, better results.
Mike Garbowski
Mike built GSKI Construction from the ground up with a simple promise: get the job done right, on time, and treat every client like family. From private equity firms to neighborhood homeowners, he's personally overseen hundreds of projects across Chicagoland — making sure every roof, every wall, and every detail meets his standard.
When storms hit, Mike is the first person on the phone with your insurance company, fighting to make sure you get the coverage you deserve. He doesn't just manage projects — he's on the roof with his crew, leading from the front.
What Our Clients Say
Real reviews from real Chicago-area homeowners and property managers.
"GSKI Construction exceeded all expectations on our project. Their professionalism, attention to detail, and quality craftsmanship were outstanding. Completed on schedule. Highly recommend."
"Storm damaged our house and Mike at GSKI helped with our insurance claim and roof replacement. Did a great job — couldn't be happier. Highly recommend!"
"Very organized company. Our roof was replaced and the job was done very nicely. They cleaned up all the debris. No issues to this day. Will definitely use them again."
Areas We Serve
Servicing all of Illinois, NW Indiana, and the Milwaukee area.
Recent Projects
Real photos from real jobs across Chicagoland — residential and commercial.
Ready to Protect Your Property?
Get a free, no-obligation roof inspection from Chicago's trusted experts.