The 9 best commercial roofing contractors serving Coquitlam, BC — independently researched and ranked. No paid placements.
Commercial and industrial roofing in Coquitlam covers offices, retail centres, warehouses, and multi-unit buildings — most using low-slope membrane systems such as TPO, EPDM, and modified bitumen. The 9 contractors below were selected from our full Coquitlam top 10 as the strongest for commercial work, ranked by experience, manufacturer certifications, BBB standing, and verified reputation.
Coquitlam's commercial roofing market reflects the Tri-Cities area's position as one of Metro Vancouver's most rapidly developing suburban zones. The city's commercial building stock spans large-format retail and industrial parks along United Boulevard and Lougheed Highway, mid-rise mixed-use buildings along the Evergreen SkyTrain line, and older institutional buildings in the established town centre — each presenting distinct low-slope and flat-roof challenges in one of Canada's wettest large-city climates. TPO and EPDM membrane systems are common on newer commercial construction, while older buildings frequently carry built-up or torch-applied modified bitumen assemblies that have been patched incrementally and are approaching the end of viable service life.
British Columbia's commercial roofing work falls under the regulatory framework of BC Housing for licenced contractors and, for workers, under WorkSafeBC's jurisdiction. Commercial building owners in Coquitlam must confirm that any roofing contractor they engage holds appropriate BC contractor licensing and WorkSafeBC clearance before allowing work to begin — the municipality's building permit process requires this documentation, and uninsured labour on a commercial site creates significant liability exposure for the building owner in the event of a workplace injury.
Founded in 1937 and headquartered on Hartley Avenue in Coquitlam, Penfolds is one of the longest-running roofing companies in British Columbia. The company handles roof removal, new installation, repair and maintenance plus solar across both residential and commercial properties, and manages projects with its own specialized crews rather than subcontractors. Penfolds is BBB accredited with an A+ rating and is COR safety certified through WorkSafeBC.
Serving the Lower Mainland since 1978, Coquitlam-based Whonnock Roofing is an Owens Corning Platinum Preferred Contractor and staffs ticketed journeyman roofers. The company covers asphalt shingles, metal, torch-on and flat systems, plus gutters and commercial and industrial work, and addresses local concerns such as ice damming and storm damage. Whonnock is WorkSafe BC registered, BBB accredited and carries $5M liability insurance.
Family-owned and Coquitlam-based, Olympic Roofing specializes in strata, multi-family, commercial, institutional and detached-home roofing. The team installs asphalt shingles, torch-on and SBS membrane, single-ply, concrete tile and cedar, and is led by a qualified journeyman roofer. Olympic is a member of the Roofing Contractors Association of BC (RCABC), holds a WorkSafeBC Certificate of Recognition, and is BBB accredited with an A+ rating.
Service AreaCoquitlam, Port Coquitlam & Lower Mainland
Based in Port Coquitlam and roofing since 1999, Best Quality Roofing serves homeowners and businesses across the Tri-Cities, Lower Mainland, Sea-to-Sky and Okanagan. Services span repairs, re-roofing, restoration and maintenance using torch-on, flat-membrane (TPO, EPDM, PVC), metal, shingle and cedar systems, with 24/7 emergency response. The company has been BBB accredited with an A+ rating since 2004.
Service AreaCoquitlam, Port Coquitlam & Greater Vancouver
Operating across the Lower Mainland since 1998, Absolute Roof Solutions handles residential leak repairs, replacements, skylights, chimneys, moss removal and gutters alongside commercial metal, torch-on, single-ply and strata work, with 24/7 emergency repairs. The company is a CertainTeed-listed contractor and is WorkSafe BC certified. It is BBB accredited with an A+ rating and maintains a dedicated Coquitlam and Port Coquitlam service area.
In the trade since 2008, Coast Mountain Roofing serves Coquitlam and the wider Greater Vancouver region with roof repair, replacement and new installation, plus metal cladding and fiber-cement siding. The company carries an unusually broad set of manufacturer credentials including GAF, IKO, CertainTeed, Soprema, Siplast, Malarkey and Carlisle, covering both residential and commercial roofing systems.
Operating since 2000, Paragon Roofing BC serves Coquitlam and Greater Vancouver across single-family, multifamily/strata and commercial properties. The company installs and repairs a wide material range including asphalt shingles, metal, cedar, TPO, EPDM, PVC and synthetic/composite systems, and also provides inspections, skylights, chimneys, gutters, soffits and ventilation work.
A family-owned and operated company in business since 2016, Marks Roofing serves Coquitlam and the wider Greater Vancouver area. The team installs, replaces, repairs and maintains asphalt shingle, metal, cedar and flat roofs and also offers skylights, eavestroughs, soffit, fascia, ventilation and snow guards. Marks is a GAF certified contractor and IKO Shield Pro certified, and is BBB accredited with an A+ rating.
Coquitlam-based Resilience Roofing focuses on low-slope and membrane systems, including TPO, EPDM and torch-on, alongside metal and shingle roofing, siding, soffit, gutters and skylights. The company serves Vancouver, Burnaby and the Tri-Cities. Despite being a newer firm, Resilience is BBB accredited with an A+ rating as of January 2025.
Commercial Roofing in Coquitlam's High-Rainfall Mixed-Use Growth Environment
When a commercial flat roof's drainage is failing to keep pace with Metro Vancouver rainfall
Coquitlam's annual rainfall, concentrated in the fall and winter months, imposes relentless drainage demands on commercial flat roofs. A commercial roof that handles moderate late-summer rain adequately may be overwhelmed when November atmospheric river events arrive. Drain sizing should be evaluated against the local design rainfall rate, not just the installed roof area, and secondary overflow drains must be confirmed functional before the wet season begins.
For mixed-use residential-over-commercial buildings along the Evergreen Line corridor
Coquitlam's transit-oriented development along the SkyTrain line has produced a growing inventory of mixed-use buildings where the commercial podium roof is also the occupied residential tower's structural deck. These assemblies require membrane systems compatible with occupied-deck loads, root barriers if planting is involved, and waterproofing specifications that distinguish between the podium roof and the above-grade floor system — a scope that requires a commercial roofer experienced with occupied deck assemblies rather than standard low-slope membrane work.
When a commercial building's existing modified bitumen roof is exhibiting widespread blistering
Older torch-applied modified bitumen roofs on Coquitlam commercial buildings commonly show blistering as moisture trapped during installation works its way to the surface through repeated thermal cycling. Widespread blistering indicates that the moisture infiltration is systemic rather than localized, and a commercial roofer should conduct an infrared or nuclear moisture scan to map the extent of wet insulation before proposing a repair scope — because wet insulation beneath a blistered membrane cannot be retained in a re-cover application.
Frequently Asked Questions
How many commercial roofing contractors are in Coquitlam?
Our directory lists 9 independently verified commercial roofing contractors serving Coquitlam, British Columbia, ranked by experience, certifications and reputation. Penfolds Roofing & Solar is ranked #1. There are no paid placements.
How do I choose a commercial roofer in Coquitlam?
Confirm licensing and insurance for British Columbia, ask for commercial project references in Coquitlam, get multiple written quotes, and check each contractor's BBB standing. Every company listed here has been independently researched.
What membrane systems are best suited to Coquitlam's high-rainfall commercial environment?
SBS modified bitumen in multi-ply assemblies and thermoplastic TPO membranes with heat-welded seams are both well-matched to Coquitlam's wet climate, provided installation is executed during dry weather windows and seaming is performed by experienced crews. EPDM with adhesive-bonded seams performs adequately but demands more rigorous seam inspection in high-rainfall environments where any adhesive failure creates an immediate moisture pathway. Specifying thicker membrane gauges than the code minimum adds meaningful durability in a market where the roof is wetted almost continuously through the winter.
Does the City of Coquitlam require a building permit for commercial roof replacements?
Yes. Commercial roofing projects in Coquitlam require a building permit from the city's Development Services department, and the permit must be closed with a passing final inspection before the project is considered complete for insurance and warranty purposes. The permit application must describe the membrane system, insulation type and thickness, and drainage configuration. A commercial roofer who works regularly in Coquitlam will be familiar with the city's plan review requirements and typical inspection timelines.
How should a commercial building owner in Coquitlam schedule roof maintenance around the rainy season?
The most effective maintenance cadence in Coquitlam combines a late-summer inspection — to identify any summer-heat-related seam separation or UV degradation before the wet season begins — with a spring inspection after the winter to assess drain condition and identify any membrane damage caused by debris accumulation. Drain screens should be cleared after every significant wind event during fall, as leaf and organic debris loading from surrounding landscaping can block primary drains within hours during heavy storms.