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Commercial roofing - repair response
Commercial Roof Repair Edmonton - Leak Tracing & Flat Roof Repairs
Commercial roof repair in Edmonton for active leaks, membrane damage, failed seams, drainage problems, flashing issues, storm damage, and repair documentation. We inspect the system, document the source, and recommend the repair that protects the building.
Free quote first, with inspection when the leak source or repair scope needs confirmation.
Certified, covered & accountable
Credentials that back the roofing work.
$2M liability coverage
Coverage in place for residential, commercial, gutter, and exterior roofing work around the property.
WCB covered crews
Crew coverage and jobsite accountability are handled before roofing work starts.
Licensed and insured
Proper contractor coverage for roof repairs, replacements, inspections, gutters, soffit, fascia, and siding.
4.6 Google rating
Backed by 40+ Google reviews from local roofing customers.
Written scope and photos
Inspection findings, quote details, repair recommendations, and closeout notes are documented clearly.
Every roof we install or repair is backed by our 1-year workmanship guarantee plus the IKO manufacturer warranty through the IKO ROOFPRO program. See how our roofing warranty works
Why commercial roofs leak
Find the source before approving the repair.
Commercial roof leaks can start at seams, drains, penetrations, flashing, curbs, old repairs, or damaged membrane. We trace the water path, check the surrounding assembly, and separate urgent repairs from longer-term replacement planning.
Leaks travel before they show up
Water can move under membrane, insulation, and deck layers before it appears inside the building. The visible stain is not always the failure point.
Repeated patches hide bigger costs
A quick patch can help in the moment, but mismatched materials, saturated insulation, and failed drainage can keep the same leak coming back.
Repairs still have to respect operations
Active commercial buildings need safe access, tenant communication, parking awareness, and work areas planned before repairs begin.
Quote first
Start with a commercial roof repair quote before approving the work.
Before you approve another patch, get the roof inspected. We identify the likely source, review surrounding details, and explain whether targeted repair is enough.
- Leak source, membrane, flashing, drains, and interiors
- Clear repair, monitoring, or replacement plan
- Photos and repair notes for records or insurance
Local Google reviews
Trusted for clear commercial roof repair answers.
★★★★★
“Coastal Craft was amazing to deal with, they were able to get out and started on the roof within a few hours of contacting them. They are upfront about potential costs with accurate quotes and updates as necessary, depending on the scope of work.”
Kate★★★★★
“Really amazing, they communicate very well and arrive when they say. They also don't price gouge or say something us wrong when it's not and was very professional and friendly.”
Steve Hess★★★★★
“Very friendly and professional. Does an amazing job and always upfront and always keeps you in the loop.”
Daniel Jones★★★★★
“Teegan was awesome! He really knew his stuff and was a huge help in resolving my attic issue. 10/10 highly recommend - be sure to ask for Teegan!”
GoViral Productions★★★★★
“Awesome job, and great communication. Left my yard clean and tidy. Job was completed and priced well. Would recommend to others.”
Preston Hanson★★★★★
“I'm very pleased with Teegan's work quality, communication and overall delivery of the shingles replacement done on our garage roof.”
Bel Morgadinho★★★★★
“I had a great experience having these guys work on my roof they explained all questions I had so I didn't feel in the dark will definitely suggest them to anyone looking for a new roof.”
Christian Ponto★★★★★
“Quick to respond, quick and thorough work. Sent before and after pictures. Would highly recommend.”
Ashley Chesney★★★★★
“Excellent service! Teegan came to repair my 3 storey roof on a moments notice in severe wind and biting cold.”
RCompleted projects
Recent work like yours.
A look at real projects our crews have completed across Edmonton and Central Alberta.
Commercial Roof RepairSpruce Grove, ABCommercial Flat Roof Leak Repair on a Venue Building
Record rainfall found every weak spot on this commercial venue's flat roof. Here is how we tracked down and sealed all of the leak points.
Read the case study
Roof RepairEdmonton, ABRoof Repair and Leak Check That Ended With a Happy Customer
This Edmonton homeowner had leak concerns and wanted a straight answer. Here is how we inspected the whole roof and sealed what actually needed sealing.
Read the case study
Roof RepairSherwood Park, ABShingle Blow-Off Repair on a Sherwood Park Property
Wind took shingles off this Sherwood Park roof. Here is how our crew replaced the blown-off shingles and sealed it back up.
Read the case studyWhat we repair
Leaks, membrane damage, flashing issues, and drainage problems.
From active leak containment to membrane, flashing, drainage, and penetration repairs, the recommendation is based on the roof condition and risk to the building.
Active leak investigation
We trace the likely source of water entry, check surrounding details, and document what needs to be repaired first.
Membrane and seam repairs
Targeted commercial roof repairs for punctures, open seams, wear areas, failed patches, and localized membrane damage.
Request repair quoteDrain, curb, and flashing repair
Repairs around drains, curbs, penetrations, parapets, edges, and transition points where commercial roofs commonly fail.
Request repair quoteReplacement guidance
If repair is no longer the right call, we document why and point you toward commercial roof replacement options.
View replacement serviceRepair, monitor, or replace
Get the repair recommendation that makes sense for the roof.
Commercial roof repair decisions are clearer when the first step is inspection. We inspect the roof system, explain what failed, and separate urgent repair from planned maintenance or replacement work.
Repair usually fits when
- The issue is isolated to a seam, drain, flashing, curb, or penetration
- The membrane and insulation around the leak are still serviceable
- The roof has not reached widespread failure
- The repair cost is meaningfully below replacement
Replacement is worth pricing when
- Leaks are recurring in multiple areas
- Insulation is saturated or drainage problems are widespread
- Previous repairs are failing across the roof
- A new roof system is the lower-risk long-term decision
Monitoring makes sense when
Get free quote The leak was isolated and repaired. The roof is aging but not actively failing across the system. You need photos and records for seasonal review.
Repair-compatible roof systems
The repair should fit the roof system, not fight it.
Commercial repairs need to respect the existing membrane, insulation, drainage, and details. We match the repair approach to the system already on the building and flag when a larger scope is the safer call.
Membrane, seams, drains, curbs, edges, and penetrations reviewedRepair compatibility checked against the existing roof systemDrainage and ponding issues documented before repairPhoto documentation and repair records for your building file
Common repair
SBS membrane repairs
Targeted repairs for SBS modified bitumen roofs where seams, punctures, flashing, or localized wear are allowing water entry.
- Seam and puncture work
- Flashing tie-ins
- Localized leak repair
Occupied buildings
Flame-free repair options
Repair approaches for occupied properties or sensitive sites where flame-free materials and careful coordination matter.
- Tenant-aware work
- Reduced disruption
- Careful site coordination
System match
TPO and single-ply repair
Repair guidance for reflective or single-ply assemblies where seams, penetrations, and heat-welded details need correct handling.
- Seam review
- Penetration details
- Compatible materials
Repair details
The details decide whether the repair holds.
Commercial leaks often start at transitions, drains, edges, penetrations, curbs, seams, and previous patch areas. Those details stay in the repair scope.
Leak tracing and moisture review
We look beyond the interior stain and review nearby membrane, seams, insulation concerns, drainage, and likely water paths.
Flashing, curbs and penetrations
Commercial roof repairs often involve rooftop units, curbs, vents, pipes, drains, parapets, and edge details that need careful tie-in work.
Repair documentation
Photos, repair notes, leak source details, and monitoring recommendations help property managers track the issue and plan maintenance or replacement.
What is included
A repair scope property managers can actually use.
You get clear documentation before and after the repair: leak findings, repair scope, photos, material notes, and recommendations for monitoring or replacement planning.
Request repair scopeWritten scope contents7 reviewed items
Leak source assessment
We inspect the leak area, nearby membrane, seams, drains, flashing, penetrations, curbs, and visible interior signs before recommending a repair.
Repair recommendation
We explain whether targeted repair, monitoring, maintenance, or replacement pricing matches the roof condition and building risk.
Material compatibility
Repair materials are selected around the roof system already in place so the repair ties into the existing membrane correctly.
Commercial coordination
Access, tenant communication, safety paperwork, parking, weather windows, and operating hours are planned before repair work begins.
Repair execution
Our crews complete the approved repair scope, focus on the failure point, and check surrounding details that could cause repeat leaks.
Safety documentation and WCB coverage
Crews carry WCB coverage and follow a documented safety approach for active commercial properties.
Photo handoff
At closeout, you receive repair notes, photos, and any recommended monitoring or replacement considerations for your building file.
Process
Commercial repairs planned around your operations.
The repair should reduce disruption, not add confusion. We plan access, safety, tenants, staff, customers, and weather before work begins.
Inspect
We review the leak area, membrane, drainage, flashing, roof penetrations, and interior signs of water entry.
Scope
You get a written repair scope with the recommended fix, project timing, and cost considerations.
Schedule
Repair timing is coordinated around access, safety, tenants, operating needs, and weather windows.
Document
The repair is completed, photographed, cleaned up, and handed off with notes for your building file.
Ready to price the roof from the roof?
Start with a free quote using the address, photos, and satellite measurements when the scope is clear. If the roof condition is uncertain, Coastal Craft will recommend the inspection path before pricing.
Pricing
What does commercial roof repair cost in Edmonton?
Commercial roof repair pricing in Edmonton depends on the source of the leak, membrane condition, access, drainage, flashing, penetrations, and whether saturated insulation or larger system issues are found.
Repair pricingFree quote first
Final pricing depends on leak source, roof access, membrane type, repair size, drainage conditions, safety requirements, and whether temporary or permanent work is needed.
Planning number only. Final repair pricing follows an on-site roof inspection.Leak source and access
Hard-to-reach leak areas, rooftop units, restricted access, and occupied buildings can affect labour and scheduling.
Membrane and insulation
Punctures, failed seams, saturated insulation, old repairs, and membrane compatibility change the final repair scope.
Drainage and details
Drains, curbs, parapets, penetrations, flashing, and ponding water are usually where commercial repairs get complex.
FAQ
Commercial roof repair questions, answered plainly.
Can a commercial roof leak be repaired without replacement?
Often, yes. If the membrane and insulation are still serviceable and the issue is isolated, targeted commercial roof repair may be the right first step.
How do you find the source of a commercial roof leak?
We review interior leak signs, membrane condition, seams, drains, flashing, penetrations, curbs, previous repairs, and drainage patterns before recommending the repair.
Can you repair commercial roofs while the building is occupied?
Yes. Repairs can be coordinated around tenant access, staff movement, deliveries, parking, safety requirements, and weather windows.
What if the roof has multiple leaks?
Multiple leaks may still be repairable, but they can also signal system-wide failure. We document membrane condition, insulation risk, drainage, and whether repair or replacement pricing is safer.
Do you provide repair photos and notes?
Yes. Coastal Craft Roofing can provide photos, repair notes, and recommendations for monitoring, maintenance, or replacement planning.
What causes commercial flat roof leaks?
Common causes include failed seams, punctures, open flashing, drainage issues, ponding water, curb and penetration failures, aging membrane, and previous repairs breaking down.
Can roof repair be scheduled around business hours?
Repair work can often be planned around access needs, operating hours, tenant communication, deliveries, and weather conditions.
When is replacement better than another repair?
Replacement may be the better option when leaks are recurring, insulation is saturated, membrane failure is widespread, drainage is poor, or previous repairs are failing across the roof.
Areas we serve
Areas we serve for roofing and exterior work.
Coastal Craft Roofing handles residential roofing, commercial roofing, roof inspections, gutters, and exterior roofline work across core Alberta service areas. Start with the closest local page, or send the address if the property sits between regions.
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