Expert Flat Roof Repair & Replacement | Thunder Bay, ON
Commercial & Industrial Flat Roofing Specialists Serving Thunder Bay and Northwestern Ontario
If your building in Thunder Bay, ON is dealing with roof leaks, aging flat-roof membranes, or storm-related damage, the Reken Roofing Team delivers professional flat roof repair and full replacement services engineered for Northwestern Ontario’s demanding climate. From emergency leak response to large commercial roof replacements, we provide reliable solutions backed by experience, warranties, and transparent pricing.
Urgent or Emergency Roofing? Call 1-800-839-4322 — Available 24/7
Flat Roofing Designed for Thunder Bay’s Climate
Thunder Bay experiences extreme weather conditions — heavy snowfall, strong winds off Lake Superior, freeze-thaw cycles, and rapid temperature changes. Flat roofs in this region require expert installation, proper drainage, and high-performance membranes.
Our systems are designed to:
Prevent recurring leaks
Handle snow load and ice buildup
Extend roof lifespan
Minimize disruption to your operations
Flat Roofing Services in Thunder Bay, ON
Flat Roof Repairs (Permanent & Temporary)
We respond quickly to diagnose and resolve flat roof issues before they escalate.
Permanent flat roof repairs starting at $3,000
Temporary emergency repairs starting at $1,850
Roof leak detection
Membrane patching & seam repairs
Flashing, drains & penetration detailing
We are fully transparent with pricing. Once the scope and cost are approved, the price is final — no change orders, no hidden fees.
Flat Roof Replacement (Commercial & Industrial)
When repairs are no longer cost-effective, we provide full flat roof replacement using industry-leading systems suited for Northwestern Ontario.
TPO, SBS, Modified Bitumen & cold-applied roofing systems
Manufacturer-approved materials
Minimal disruption to tenants and business operations
Lifetime warranties on major roof replacements
Installed to Ontario Building Code standards
Roofing Insurance Claims Support
If your flat roof damage is caused by wind, snow load, ice dams, or storms, we assist with the full insurance process.
Our process includes:
Contact us by phone or online
On-site roofing inspection
Professional written roofing report (insurance & court compliant)
Direct coordination with your insurance provider if repairs or replacement are approved
We have worked with insurance companies across Ontario and understand the documentation required to support successful claims.
Why Thunder Bay Clients Choose Reken Roofing
✔ Serving Ontario since 1999
✔ Fully insured up to $5,000,000
✔ WSIB compliant
✔ No deposit required in many cases
✔ Budget-conscious solutions with flexible payment plans (often 0% interest)
✔ Lifetime warranties on major flat roof replacements
✔ Highest-quality roofing materials only
✔ Experienced in commercial, institutional & industrial projects
We don’t cut corners — we build roofs that last.