Roofing System

installWarner Roofing Inc. specializes in the Duro-Last Roofing System.  Every Duro-Last roof is pre-engineered, designed, and manufactured to address the specific needs of each roofing project.

The Duro-Last vinyl roof membrane is a proprietary thermoplastic formulation closeupconsisting of PVC resins, plasticizers, stabilizers, biocides, flame retardants and U.V. absorbents. A weft-insertion knitted scrim that is laminated between two layers of PVC film gives the membrane its strength and durability. The Duro-Last membrane is available in white, tan or gray.

warrantiesWarner Roofing Inc. is so confident in the durability of our roofs that we protect commercial and industrial installations with the best warranties in the industry.  Our standard, comprehensive 15-year No Dollar Limit (NDL) warranty is transferable, has no exclusions for ponding water and provides coverage against consequential damages that result from defects in the Duro-Last Material and/or installation workmanship.  Duro-Last also has 20-year warranties available.

Five interrelated attributes are important in the selection of a high-performance roofing system:

  • Reduce ENERGY use and improve efficiencygreenzone
  • Minimize impact on the earth’s ENVIRONS
  • Meet or exceed ENDURANCE requirements for long life
  • Deliver good ECONOMICS for the entire life-cycle
  • Incorporate solid design and ENGINEERING principles
shingleShingle-Ply Roofing System

The perfect combination of watertight integrity and aesthetics.


Duro-Last shingle-ply system is ideal for c
ommercial applications where building appearance is important, but conventional shingles are not practical because the roof’s slope may not provide good water runoff or the roof has other limitations.  The shingle-ply membrane provides a shingle look and the watertight performance and long term durability of thermoplastic, single-ply roofing system.

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571 Marcella St Kimberly, WI 54136 | 920-707-0777