Flynn Canada Ltd. - St.John's
Verified Pro
12 years online5.0
Roofing Services in St. John's, NL
Compare 22 roofing services contractors near you in St. John's and surrounding area with an average rating of 4.6/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated March 28, 2026
Most pros respond within 2–24 hours
Verified Pro Installers
flynncompanies.com/contact-us/flynn-stjohns
Trinity Roofing
Verified Pro
5.0(3)
Rydel Roofing, Siding, Windows & Doors
Verified Pro
4.9(70)
Callanan Roofing Contracting
Verified Pro
3+ years online4.8(24)
O'Keefe Roofing
Verified Pro
4.3
Other Businesses in This Area
Ace Roofing Ltd
5.0Overhead Roofing
5.0Yetman Shingles Ltd
5.0Yetman's Roofing Ltd
5.0North Shore Roofing Ltd
4.8Able Roofing Ltd
4.7Legacy Roofing
4.7Majestic Metals Ltd.
4.5Primo Roofing
3.9Supreme Roofing limited
3.0East Coast Roofing
2.629+ years onlineOther Services in St. John's
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Roofing Services in St. John's, NL
St. John's, Newfoundland roofers face one of the most challenging climates in Canada: heavy precipitation including frequent freezing rain, persistent strong Atlantic winds, and the salt-air exposure of an island marine environment. Class 4 impact-resistant asphalt shingles are common and standard, with metal roofing increasingly popular for durability against the harsh Atlantic conditions. Most local roofers stock GAF, IKO, BP, and CertainTeed architectural shingles. St. John's permits are required for full re-roofs through the city's Building Permits division. Enhanced wind warranties (130+ mph) are essential given the persistent Atlantic winds.
St. John's persistent strong winds drive demand for enhanced wind warranties (130+ mph) requiring specific GAF, IKO, BP, or CertainTeed installation packages with proper underlayment, starter strips, and ridge caps. Hurricane and tropical storm impacts are also considerations—particularly Hurricane Igor (2010) and similar events. Salt-air exposure within 1-2 km of the coast drives demand for stainless steel ridge cap nails and corrosion-resistant flashing.
Frequently Asked Questions
- Will my St. John's roof survive Atlantic winds?
- Standard shingle wind warranties cover only 60-90 mph. Enhanced wind warranties (130+ mph) require GAF StormShield, IKO Performance Shingle, or CertainTeed 4-Star installation packages with specific underlayment, starter strips, and ridge caps. Most St. John's roofers default to enhanced packages.
- What hardware works coastal?
- Stainless steel nails, galvanized flashing, and corrosion-resistant ridge caps are essential within 2 km of the coast. Standard hardware can show significant corrosion within 5-10 years in salt-air conditions. Reputable installers spec these throughout for coastal homes.
- How long does a re-roof take?
- A typical 2,000-2,500 sq ft asphalt re-roof takes one to two days for St. John's crews working in summer or fall. Spring and fall weather windows can be challenging given Atlantic Canada conditions. Most quality contractors won't tear off in heavy rain or storms.
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NeedInstall helps connect customers with local installation professionals across St. John's and surrounding communities. Featured contractors have claimed their profile and verified their business information. Listings marked as "Verified Pro" have been confirmed by the business owner.