GAF Master Elite roofing for Morris County homeowners — get a real online quote in minutes, no sales visit required.
Gunner Roofing is a GAF Master Elite certified roofing, siding, and window contractor serving Morris County, New Jersey. Our local office at 111 Howard Blvd in Mt Arlington puts our crews and project managers right in the communities we serve — Morristown, Parsippany, Denville, Randolph, Rockaway, Mount Olive, Mendham, Chatham, Madison, Boonton, and beyond. Gunner is also the first and only roofing company where homeowners can buy a roof entirely online — get a real project estimate in minutes, no sales visit required.
Morris County sits in the New Jersey Highlands — hilly, heavily wooded, and home to a deep stock of older colonials, capes, and custom houses on large lots. That terrain and climate are tough on roofs. We replace and repair asphalt, cedar, slate, synthetic, metal, and flat/low-slope roofs across the county, and back qualifying roof replacements with the GAF Golden Pledge lifetime warranty, the strongest in the industry. We’re licensed in New Jersey, pull permits in every municipality we work, protect your property, clean up daily, and assign a dedicated project manager to every job.
Morris County roofs face the full force of New Jersey Highlands winters — heavy, wet snow load, persistent ice damming on the area’s steep and shaded roofs, and repeated freeze-thaw cycling that cracks brittle shingles and lifts flashing. The county’s dense tree canopy across Mendham, Randolph, Denville, and Mount Olive adds heavy debris and shade-driven moss and algae, and summer thunderstorms bring high winds and hail.
For asphalt roofs we recommend architectural shingles rated for 130 mph wind or higher, ideally SBS-modified for cold-weather flexibility and Class 4 impact-resistant (which can lower your insurance) — GAF Timberline HDZ is the regional standard and qualifies for the Golden Pledge warranty. Many of Morris County’s older colonials and custom homes also suit cedar, slate, or synthetic slate/shake. On every roof we extend ice-and-water shield well beyond the code minimum at the eaves, rakes, and valleys given the Highlands’ heavy snow and ice-dam exposure.
Roof work in New Jersey is governed by the state’s Uniform Construction Code, and each Morris County municipality — Morristown, Parsippany, Denville, Randolph, and the rest — issues permits through its own construction office; roof replacements require a permit and inspection. Gunner is licensed in New Jersey and handles the entire permit process for you in every municipality we work, from application and fees to scheduling inspections, so there’s nothing for you to file. We carry full general liability and workers’ comp insurance.
Answers to common questions from Morris County, NJ homeowners. Prefer to talk? Call 866-262-6005.
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