Learn about the Duro-Last Roofing System


 

Learn about the Duro-Last Roofing System

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

Duro-Last has met or exceeded all major fire and wind code requirements, and regional approvals as necessary throughout the country. These certifications reinforce Duro-Lastís leadership in providing the consistent, watertight integrity that building owners expect.

Duro-Last has been approved by Factory Mutual as a 1-60,1-90, 1-105, 1-150 and 1-210 roofing system. Duro-Last is also listed by Underwriters Laboratories as a UL Class A material. Evaluation services ICBO and NES have merged to form ICC-ES, which has evaluated Duro-Last for the International Building Code (IBC). The Duro-Last roofing system has been approved by the IBC and by code agency MIAMI-DADE for use in their respective jurisdictions.

Duro-Last is proud to be a charter partner of the ENERGY STARģ Roof Products Program. The ENERGY STAR label indicates to building owners and managers that the Duro-Last white membrane can save them money on cooling costs due to its high reflectivity (reflects over 86% of the sunís energy). Duro-Last is also a charter member of the Cool Roof Rating Council (CRRC) and a member of the United States Green Building Council (USGBC). Duro-Last participates in all major technical committees in the roofing industry, plus the American Society of Testing Materials (ASTM).

 
 
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What a fantastic job your team is doing on the Mendenhall re-roof!!  The superintendent  has been fantastic.  I have been so ...
Charles Cayce

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