Commercial & Industrial
Roofing Contractor

715-356-9653 (local)
1-800-475-7663 (toll free)

DurO-LAST: The best choice for your roof.

Duro-Last Roofing Services

View our roofing portfolio.
Reasons to choose Duro-Last.
Metal Retrofit with Duro-Last.

The spring brings strong thunderstorms, the summer delivers temperatures that can climb past 100, and the long winter brings snow and temperatures plummeting to 30 below zero. The Midwest has many different types of weather conditions, and you need a roof that can withstand it all! After researching many single-ply roofing systems, Nasi Roofing found a roofing system that really works.

Nasi Roofing is an authorized Duro-Last contractor and has been installing roofs in the commercial and industrial market throughout Wisconsin, Michigan, Minnesota, and Iowa.

We have installed and warranted over 2,000 roofs totaling over 10 million square feet of membrane. Nasi Roofing is consistently listed among the top Duro-Last contractors in the nation. The durability of the membrane and backing by the industry's best warranties are only a few of the reasons the Duro-Last roofing system is the only roofing system Nasi Roofing will install.

Our Approach

We will assist you through every phase of your roofing project, from the planning phase through the installation and well beyond. Nasi Roofing takes a holistic approach to roofing, providing complete roofing services.

  • Detailed descriptions of existing roof conditions with recommendations
  • Plans, detailed drawings, and specifications
  • 15 and 20 year full system manufacturer's warranty on all re-roof and new roof projects
  • Insured, licensed, and bonded
  • Long term planning, inspections, and budgets

This gives us the added flexibility to meet aggressive schedules without interruptions during installation and provide the highest level of quality so your roof will remain leak proof for years to come. Over the years we have seen just about every type of roof problem on every type of building: schools, churches, hospitals, government,and commercial buildings. Size doesn't matter. From the 1,000 square foot downtown store to the 100,000 square foot industrial complex, if it's a flat/low slope roof, we'll make it leak proof!

Duro-Last roof

Duro-Last logo

View Our Duro-Last Roofing Portfolio

Over the years, we have seen just about every type of roof problem on every type of building, large and small. We are consistently listed among the top 3 Duro-Last contractors in Wisconsin.

View our portfolio.

Customer Testimonial

Duro-Last roof

"As Director of Public Works for the City of Eagle River, I am pleased with the quality of work your company has done and also with your employees. Your employees were very courteous and helpful, even when we had our minor disaster with a plugged roof drain, they came back at late hours and helped my crew and I to try and resolve the flooding problem. During the re-roofing project the crew worked diligently and long hours to get the project done in a timely manner and when finished they did a great job of clean-up. And after the project was complete, I received calls to see if everything is alright and that there was no leaks, which I feel was very important. Everything your company did was done in a very professional manner. I would definitely recommend your company to anyone who needs a good quality roofing system."

Joe Tomlanovich
Director of Public Works

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