Business Details
29 Years
experience
Emergency
services
Your Trusted Commercial Roofing Experts in Fox Valley
Warner Commercial Roofing, founded by Steve Warner in 1997, is a family-owned and operated business rooted in Northeast Wisconsin. With over 30 years of experience, we specialize in delivering durable, code-compliant commercial and residential roofing solutions that prioritize energy efficiency and long-term performance. Our team of master craftsmen combines Midwest work ethic with cutting-edge technology to ensure precision in every project, from flat roof replacements to storm-damage repairs. We maintain transparency throughout the process, offering free inspections and detailed estimates to empower informed decisions. Certified as Emerald Pro installers for Malarkey residential systems and exclusive Duro-Last commercial contractors, we guarantee 15-30 year non-prorated warranties with select options extending to 50 years.Our commitment to quality is reinforced by rigorous quality control inspections and a 100% customer satisfaction guarantee. Beyond local projects in Appleton, Oshkosh, and Green Bay, we support mission-based initiatives in Mexico, Haiti, and Costa Rica. Recognized for reliability in over 2,000 completed roofs, we uphold core values of unity, integrity, and community service. Our 24/7 emergency response team ensures rapid solutions for urgent roofing needs, while our partnerships with industry leaders like Duro-Last and Malarkey guarantee access to the most sustainable, high-performance materials available. This combination of expertise, ethical practices, and community focus has earned us recognition as Wisconsin's top-rated roofing company.
Services
Commercial Flat Roof Replacement
Residential Shingle Roof Replacement
Emergency Roof Repair
Duro-Last Installation
Malarkey Roof Systems
Details
- Year established: 1997
Highlights and features
- 30+ years of commercial and residential roofing expertise
- Exclusive Duro-Last contractor with custom-fabricated flat roof systems
- Free roof inspection valued at $1,250
- 24/7 emergency roof repair services available
- Certified installers with 25-50 year warranty options
Associations and certifications
- Emerald Pro Certified
- Duro-Last Authorized Contractor
What people say
Knowledgeable, professional
Completed on time
Amazing work
Would recommend
Great communication
Services
Commercial Flat Roof Replacement
Specializing in Duro-Last commercial flat roofs with 15-30 year warranties. Our custom-fabricated systems reduce seams by 85%, saving labor costs while providing energy efficiency that lowers cooling expenses by up to 35%. Factory-trained installers ensure precise fitting for long-term durability.
Residential Shingle Roof Replacement
Malarkey-certified shingle roof installations featuring rubberized asphalt shingles with superior impact resistance. Available in multiple styles and colors, these roofs offer 25-50 year warranties through our Emerald Pro certification, ensuring lasting protection against Wisconsin's weather extremes.
Emergency Roof Repair
24/7 response for urgent roof damage from storms or leaks. Our rapid-response team handles temporary fixes and permanent repairs, with same-day service available for critical situations. Customers praise our reliability during severe weather events across Northeast Wisconsin.
People
Steve Warner
Owner/Founder
With 30+ years in the roofing industry, Steve founded Warner Commercial Roofing in 1997. He personally oversees installations, ensuring quality control while maintaining the company's mission to elevate industry standards through ethical practices and community service.
Michael Rueb
General Manager
Manages daily operations and project coordination. Brings strategic leadership to commercial roofing projects while upholding the company's commitment to transparency and customer satisfaction through efficient project execution and team management.
Questions
How do I know if my roof needs replacement?
If your roof is over 15 years old with multiple leaks or storm damage, it likely needs replacement. Our free inspection identifies issues and recommends solutions.
What makes Duro-Last roofs special?
Duro-Last systems offer factory-fabricated precision with 85% fewer seams, 35% energy savings, and 15-30 year warranties covering ponding water damage.
Do you handle insurance claims?
Yes, our team assists with insurance documentation and claims processing, including storm damage assessments and required paperwork submission.
What warranty options exist?
Commercial roofs offer 15-30 year non-prorated warranties. Residential options include 25-50 year warranties through our Emerald Pro certification with Malarkey Roofing Products.
How long does installation take?
Most projects take 1-3 days after material arrival. Custom Duro-Last systems typically require 7-10 days from order to installation due to factory fabrication.
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