About Us
RW Mulligan is the premier roofing and siding company in eastern Long Island. As the only GAF Master Elite and Commercial Roofing Contractor on Long Island, we can install all types of roof systems with comprehensive warranties. We specialize in EPDM roofing, cedar shingles, asphalt shingles, slate roofs, vinyl siding, window and door systems, and custom metal work. Our reputation is built on delivering high-quality craftsmanship, using top-notch materials, and prioritizing professionalism, safety, and cleanliness. Our website provides informative resources, including a glossary, for making informed decisions about your project. Contact us to learn more about our services and why we are the top contractor in the area.
Our Vision
Our vision is to be the unrivaled leader in the roofing industry, setting the standard for quality, innovation, and customer satisfaction. We strive to continuously exceed expectations by providing professional installation, durable products, and exceptional service. Our goal is to be the preferred choice for homeowners and contractors alike, delivering roofing solutions that stand the test of time. We are committed to pushing the boundaries of technology and sustainability, ensuring our products contribute to a greener future. With a relentless focus on excellence, we aim to build lasting relationships with our customers and be recognized as the epitome of reliability and craftsmanship in the roofing industry.
GAF is the preferred choice of professional installers, offering rugged and dependable performance. Our Timberline Shingles with Advanced Protection are the #1 selling shingle brand in North America. We have been consistently rated #1 in shingle quality by U.S. contractors and home builders. Our brand has received numerous accolades, including being ranked #1 in brand familiarity, usage, and highest quality in remodeling awards. We have also been recognized as #1 in innovation for shingles and ridge ventilation by home builders. GAF has been the winner of multiple awards, including the Builder Brand Use Study and Women's Choice Award. Our products, such as Master Flow Solar Roof Vent and Energyguard Polyiso Insulated Sheathing, have been named among the top new building products. We take pride in our commitment to green building and have been recognized for outstanding performance in this area. GAF's Sienna Designer Lifetime Shingles and TruSlate products have been selected for prestigious industry awards. We are honored to be a multiple winner of the Builders Choice Award, demonstrating our dedication to excellence.
RW Mulligan is . . .
Fully licensed in New York (or local area) to perform roofing work* (if required by state or local agency)
Adequately insured for your protection
Reputable for providing quality roofing services throughout the community
Committed to ongoing professional training to ensure quality installation
Because of GAFs stringent standards, only the top 4% of all roofing contractors are qualified as Certified contractors!
Choosing RW Mulligan is your assurance youll be dealing with a quality, reputable, and dependable professional contractor not some fly-by-nighter
Most people think that a new roof is nothing more than just nailing up some shingles. Certified contractors know betterthat's why they recommend GAFs Weather Stopper Roofing Protection System. It gives you the best protection against a variety of all-too-common roofing problems. Plus, each component used in the system has earned the prestigious Good Housekeeping Seal.