Commercial Roofing Contractors in Janesville, Wisconsin
22 local contractors available (showing the first 20) · Flat, low-slope and metal roofs for businesses. One contractor, one quote. · Exclusive leads only
Janesville, Wisconsin homeowners searching for commercial roofing are matched with a single local specialist — not a list of competing contractors all chasing the same job. PickARoofer lists 22 roofing contractors in Janesville; we don’t track which services each one takes, so the one we match you with sees exactly what you asked for.
Costs for commercial roofing in Janesville depend on roof size, pitch, material, and scope of damage. The Janesville cost guide reflects typical Wisconsin market rates.
What Janesville's climate means for commercial roofing
- Low-slope commercial roofs in Janesville must be engineered for snow load and kept draining — ponding under a melting snowpack is the number-one failure.
- Janesville's freeze-thaw cycling opens membrane seams and flashing laps; heat-welded TPO seams hold up better than taped or adhered ones.
Materials and Workmanship in Janesville
A thorough scope covers more than the shingle: the underlayment, drip edge, flashing at chimneys and valleys, and ridge-vent attic ventilation all decide how long the roof lasts. Ask each contractor to walk the roof, note the pitch and square footage, and break out materials, tear-off, and labor so the quotes are comparable.
Local note: Janesville's 2020 census population was 65,615. After the General Motors Assembly Plant -- the oldest GM plant in North America prior to closing -- shut down in December 2008, the economy shifted toward healthcare and public sector anchors including Mercy Health System and the Janesville School District. The closure left a large industrial building stock requiring ongoing maintenance and re-roofing, while the surrounding residential neighborhoods hold aging housing that drives demand for residential contractors.
Commercial Roofing contractors here serve Janesville ZIP codes 53546, 53567, 53517, 53502, 53589.
Roofing Contractors in Janesville, WI
Commercial Roofing in Janesville — FAQ
Commercial Roofing Cost in Janesville, WI
A typical asphalt-shingle re-roof in Janesville runs $6,580–$14,570; final commercial roofing pricing depends on roof size, pitch, and scope. Full local price ranges by material and repair type are in the Janesville cost guide → — or get a free personalized estimate above.