Commercial Roofing in Ottawa, IL
From roof replacements to leak repairs, your Ottawa building deserves a contractor who specializes in commercial roofing. Northern Illinois Seamless Roofing (NISR) has served commercial and industrial buildings across La Salle County since 1985, and Ottawa is right in the heart of our service area, about 25 minutes from our Mendota headquarters.
As a Duro-Last Elite Master Contractor — a credential earned by only a small fraction of roofing contractors nationwide — we install custom-fabricated PVC roofing systems engineered for the flat and low-slope roofs found on Ottawa’s warehouses, retail buildings, offices, schools, and industrial facilities.
Commercial Roofing Services for Ottawa Businesses
From the I-80 corridor to the downtown commercial district, we work on every type of commercial and industrial building in Ottawa:
- Flat & low-slope roof replacement — Duro-Last roofing membrane systems, custom-fabricated to your roof’s exact measurements for a watertight fit
- Commercial roof repair — Leak detection and repair that extends the life of your existing roof
- Metal roof systems & retrofits — Recover aging metal roofs without the cost and disruption of a full tear-off
- Industrial & institutional roofing — Manufacturing facilities, schools, churches, warehouses and municipal buildings, with low-disruption installation scheduled around your operations
Emergency Roof Repair in Ottawa, IL
Why Ottawa Property Owners Choose NISR
- Duro-Last Elite Master Contractor — The “World’s Best Roof,” installed by factory-trained crews
- Locally owned since 1985 — Four decades of commercial roofing in northern Illinois, with references from businesses you know
- Commercial and industrial focus — Flat and low-slope systems are what we do every day
- Free, no-obligation roof inspections — Know the true condition of your roof before you spend a dollar