Metal Retrofit Roofs

Duro-Last® Single Ply Roofing for Metal Retrofit

A Duro-Last roof installed over an aging metal roof by our Wisconsin roofing company will give you a better roof than you had originally.


When you selected a metal building or metal roof, you had sound reasons. If that roof or building has been around a decade or more and is showing teenage problems, you may be thinking about therapy. To cure your metal roof's ills and ease your mental anguish, think about Duro-Last's Retrofit System for metal roofs.

Benefits of a Duro-Last Roof

  • Won't crack or leak around penetrations
  • Won't rust and corrode
  • Won't require periodic mechanical maintenance
  • Won't radiate your plant's energy into outerspace
  • Won't clack and clang when the temperature changes

Duro-Last Roofing Installation

The Duro-Last roofing system is quick and easy to install. This roofing system can be installed right over most new or existing substrates. The need for costly tear-offs and disposal can oftentimes be eliminated. Slipsheets are required in some re-roofing applications. Most insulations have been approved for use with the Duro-Last roofing system.

  • Goes over the existing metal roof so there is no expense or disruption to your business due to tear off
  • Saves money on heating costs
  • Flame, high-wind, tear, and puncture resistant
  • Impervious to caustic chemicals, acids, petroleum products, animal fats, and hot/cold temperatures
  • Will not crack because it moves with natural expansion and contraction of the building
  • Easy to fit and seal around stacks, brackets, air vents, HVAC units, flashings, parapet walls, etc.
  • Light weight (only 4.2 oz/sq .ft.) and available in three colors - white, gray, and tan
Installing a Metal Retrofit Roof
Exceptional 15 or 20 Year Roofing Warranty Request a roofing estimate No more cracks or leaks around penetrations. No more seam or fastener problems. No more rust or corrosion.

Make the Right Choice

There are many alternative approaches to solving your roofing problem including urethane, several membrane type systems, and another metal deck. Choose our Wisconsin roofing company and the Duro-Last reinforced single-ply roofing system for the following reasons:

  • Our ability to address and solve all of your specific roof problems
  • 15 or 20 year materials and labor warranty options
  • 12 million dollar consequential damage liability insurance policy
  • Minimal disruption to your business
  • Can meet your schedule
  • Our record of satisfied customers

Copyright © 2020 Nasi Roofing Company Website design and hosting by First Net Impressions, LLC.