About Us

Gateway Exteriors Inc. is Hamilton’s trusted partner for all exterior renovation needs, combining expert craftsmanship with cutting‑edge technology to deliver stunning results that last for decades. We specialize in residential and commercial projects, offering a full suite of services from roof replacement to comprehensive maintenance plans, each managed by a single project manager for a hassle‑free experience.
Our team is fully licensed, bonded, and carries multi‑million dollar liability insurance, ensuring that every job is performed to the highest safety and quality standards. We’re proud members of Home Depot Pro, GAF‑certified, and Google Guaranteed, reflecting our commitment to excellence and customer satisfaction.
At Gateway Exteriors, we believe in transparency and collaboration. We use 3D renderings to give you a realistic preview of your upgraded exterior before the first shingle is laid, so you can make informed decisions and avoid costly surprises. Our single project manager oversees every phase, from design to final inspection, keeping your schedule and budget on track.
We’re not just a contractor – we’re a long‑term partner. Our maintenance programs are tailored for both homes and businesses, ensuring your roof, siding, windows, and gutters stay in optimal condition year after year. By addressing small issues before they become major repairs, you save money and protect your investment.
Customer reviews consistently highlight our professionalism, attention to detail, and fair pricing. Our 25‑year workmanship warranty on roofs and our commitment to eco‑friendly solutions set us apart as leaders in the industry. Whether you’re updating your home’s curb appeal or installing a commercial flat roof, Gateway Exteriors delivers quality, durability, and peace of mind.