Vetted, currently-operating roofing contractors serving Waterloo and the Waterloo Region, ranked by longevity, manufacturer certifications and verified BBB standing.
Service AreaWaterloo, Kitchener, Cambridge & Stratford
Founded in Waterloo in 2012 by Cory Reuter, Reuter Roofing is a full-service contractor based on Rankin Street that handles roof repair, installation and replacement along with skylights, blown-in insulation, eavestrough and gutter protection. It is a certified installer for multiple manufacturers including GAF, CertainTeed, BP Canada, Malarkey and Velux, and states it is fully insured with $5 million in liability coverage and WSIB compliant. The company has been BBB Accredited since 2018 and carries a BBB A+ rating, making it our top Waterloo-based pick.
Established in 1978, D'Angelo & Sons is a family-owned roofing and exterior firm that serves Waterloo from a location on Northfield Drive West and a broader Golden Horseshoe footprint. It handles residential, commercial and industrial roofing, flat roofing, metal roofing, eavestrough, siding, masonry, emergency repair and ice-dam removal, all with in-house crews. The company reports more than four decades in business, carries $5 million in liability insurance and backs its work with a 25-year workmanship warranty.
Roof ReplacementRoof RepairFlat RoofingMetal RoofingEavestroughSidingIce Dam RemovalEmergency Repair
Custom Contracting is a home-exterior company with a dedicated Waterloo location offering roofing, siding, windows, doors, eavestroughs and HVAC services. It installs premium systems from leading manufacturers including GAF Master Elite, IKO and DECRA metal roofing, and reports more than 15 years of service and thousands of completed roofing projects. The company carries a BBB A+ rating and backs its installations with a lifetime workmanship warranty.
Seiling's Red Truck Roofing is a Waterloo-based contractor, owned by Scott Seiling, that has operated in the Waterloo Region since 2012, focusing on residential re-roofing with shingles and flat-roof installations. The company runs a 24-hour line for emergency repairs and offers workmanship guarantees on its installations. It has been BBB Accredited with an A+ rating since 2017.
Founded in 1981, The Roofman is a second-generation, family-operated full-service roofing contractor based on Guelph Street in neighbouring Kitchener and serving Waterloo. It installs shingle, metal and flat roofs and also handles siding, soffit, fascia, eavestrough, attic upgrades, windows and commercial roofing. A member of the Greater Kitchener Waterloo Chamber of Commerce, the NRCA and the Waterloo Region Home Builders' Association, The Roofman has been BBB Accredited since 1992 and carries a BBB A+ rating.
Quality Care Roofing is a residential roofer serving Waterloo, Kitchener and Wilmot, installing and repairing roofs across the region with an in-house team. It is a GAF Certified Residential Roofing Contractor and installs CertainTeed shingles, and it also offers siding, gutters, soffit, fascia and seasonal snow removal. The company is BBB Accredited with an A+ rating.
Rydel Roofing operates a Kitchener-Waterloo branch from nearby Cambridge and installs asphalt, metal and flat roofs across the region. It states it is certified and trained by five major roofing manufacturers, with partners including IKO, GAF, Velux, Ideal Roofing and Alu-Rex. The company says it carries both liability insurance and provincial Workers' Compensation Board coverage, offers 10-, 20- and 30-year warranty options and runs a 24/7 emergency line alongside siding, windows and doors.
William's United Roofing is a Waterloo-based, family-owned and second-generation roofing company operating since 2013. It offers roof installation, repair and renovation along with skylight installation, metal roofing, aluminum soffit, fascia and eavestrough systems, and siding work. The company states it carries $2 million in business insurance and backs its installations with a 15-year workmanship warranty.
Your Roof Specialist is a Kitchener-Waterloo roofer that focuses on diagnosing and correcting roof failures rather than applying temporary patches. It handles residential and commercial roof replacements, flat roofs, leak detection, shingle blow-offs, heat-cable installation, ice-dam removal and emergency repairs with rapid response times. The company offers a no-leak guarantee on its roof replacements and runs winter-preparation programs suited to the local climate.
Roof ReplacementRoof RepairFlat RoofingLeak RepairEmergency RepairIce Dam RemovalSkylights
Koebel's Roofing, owned by Lloyd Koebel, has served Waterloo and Kitchener homes since 2014, specializing in residential asphalt roof replacement, new-construction roofing and leak and storm-damage repair. It is a Velux and Malarkey Certified Installer and also installs skylights, sun tunnels, vents and gutters. It is an owner-led operation focused on residential re-roofing across the Tri-Cities.
Ontario has no provincial roofing trade licence, so a valid Workplace Safety and Insurance Board (WSIB) clearance certificate is your most important paperwork check in Waterloo. Ask any contractor for a current WSIB clearance number and proof of commercial general liability insurance before crews step on your property. If a roofer is not registered with WSIB and a worker is injured on your roof, you as the homeowner can be exposed to liability.
Make sure a building permit is pulled
Many full roof replacements in Waterloo that involve structural work, new sheathing or significant alterations require a building permit from the City of Waterloo Building Standards division. A straightforward re-shingle over sound existing decking may not, but a reputable local roofer will tell you when a permit is needed and handle the application. Be wary of any contractor who insists permits are never required.
Prioritize manufacturer certifications
Look for contractors certified by the shingle brands common in Ontario, such as GAF (Master Elite, Certified), IKO, CertainTeed, BP Canada, Malarkey or Owens Corning. On this list, Reuter Roofing, Custom Contracting, The Roofman, Quality Care, Rydel and Koebel's all hold named manufacturer certifications. These designations unlock the extended manufacturer warranties that a non-certified installer cannot offer.
Choose for our freeze-thaw climate
Waterloo winters bring heavy snow load, ice damming and dozens of freeze-thaw cycles, so ask specifically about ice-and-water shield membrane at the eaves and valleys, proper attic ventilation and insulation, and drip-edge detailing. A contractor who works through Waterloo Region winters will quote these as standard, not as upsells, because they are what prevent leaks and ice dams here.
Verify BBB standing and local reputation
BBB operates in Canada, and you can look up any Waterloo roofer at bbb.org/ca/on/waterloo. Several firms on this list are BBB Accredited with A+ ratings, including Reuter Roofing (accredited 2018), Seiling's Red Truck (accredited 2017), Custom Contracting, The Roofman (accredited since 1992) and Quality Care. Cross-reference with HomeStars and Google reviews to confirm a consistent local track record.
Get a detailed written quote and warranty
Insist on a written estimate that specifies the shingle brand and line, underlayment, ice-and-water shield coverage, ventilation work, tear-off and disposal, and both the manufacturer material warranty and the contractor's workmanship warranty. Waterloo roofers commonly offer workmanship warranties in the 10- to 25-year range, separate from the shingle warranty. A clear written scope protects you if a dispute arises later.
Frequently Asked Questions
For a typical detached Waterloo home, an asphalt shingle roof replacement generally runs about $7,000 to $15,000 CAD, with most mid-size homes landing in the $9,000 to $12,000 range. Steeper pitches, multiple stories, premium architectural or designer shingles, full plywood replacement and metal roofing push costs higher. Metal roofs commonly start around $18,000 to $30,000+ CAD. Always get two or three written quotes, as price varies with roof size, complexity and material.
Asphalt shingles remain the most common and cost-effective choice in Waterloo, and architectural (laminate) shingles handle our wind and freeze-thaw cycles better than basic three-tab. Standing-seam and metal-shingle roofs are increasingly popular for their longevity and excellent snow shedding in heavy Waterloo Region winters. For low-slope or flat sections, modified bitumen, EPDM and single-ply membranes are standard. Whatever the material, proper ice-and-water shield and balanced attic ventilation matter most here.
Ontario does not have a provincial roofing trade licence, unlike Quebec, where contractors must hold an RBQ licence, or British Columbia, where a municipal business licence is required. Instead, roofers in Waterloo must carry Workplace Safety and Insurance Board (WSIB) coverage and liability insurance, and most roof replacements require a building permit from the City of Waterloo. Always ask for a WSIB clearance certificate and proof of insurance before hiring, since these protect you as the homeowner.
Often, yes. Roof work in Waterloo that involves structural changes, new roof sheathing or significant alterations requires a building permit from the City of Waterloo's Building Standards division. A straightforward re-shingle over sound existing decking may not, but the rules depend on the scope. A reputable Waterloo roofer will tell you when a permit is required and typically handles the application as part of the job.
In Waterloo's climate, a quality architectural asphalt shingle roof typically lasts about 20 to 30 years, while basic three-tab shingles may last 15 to 20. Our freeze-thaw cycles, ice damming and summer heat can shorten that lifespan if attic ventilation or ice-and-water protection is inadequate. Metal roofs can last 40 to 50+ years. Regular inspections after major snow and wind events help you reach the upper end of these ranges.
Ice dams form when heat escaping into the attic melts snow on the upper roof, which then refreezes at the cold eaves and backs water up under the shingles. They are common in Waterloo and across the Waterloo Region in winter. Prevention comes from proper attic insulation, balanced intake and exhaust ventilation, and an ice-and-water shield membrane installed at the eaves and valleys. Several local roofers, including Your Roof Specialist and D'Angelo & Sons, also offer ice-dam and snow removal during heavy winters.
Roofing in Waterloo
Waterloo anchors the northern half of Waterloo Region in southwestern Ontario, a university and technology hub. Its roofs contend with a full four-season climate: humid summers, autumn windstorms, and cold winters marked by freeze-thaw cycles and ice damming that can back water up under shingles.
Across Waterloo's established neighbourhoods and newer subdivisions, asphalt architectural shingles are the default choice for their balance of cost and durability. Metal roofing is a growing premium option, and the city's many low-slope commercial, institutional, and student-housing buildings rely on TPO, EPDM, and modified-bitumen membranes.
Ontario licenses no roofing trade province-wide, so due diligence rests with the property owner: confirm WSIB coverage and general liability insurance, and make sure your roofer pulls a City of Waterloo building permit for structural re-roofing. All work must meet the Ontario Building Code.
Because Waterloo shares its climate with neighbouring Kitchener, a roofer's real edge is craftsmanship — correct attic ventilation, ice-and-water shield at the eaves, and clean flashing that survives repeated freeze-thaw. The contractors listed here serve Waterloo and the surrounding region, with estimates in Canadian dollars.
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