Manufacturer news

Duro-Last® earns sustainability certifications

Duro-Last Inc., Saginaw, Mich., has announced its single-ply roof membranes received certifications under the NSF American National Standard for Sustainable Roofing Membranes—NSF/ANSI 347. NSF/ANSI 347 is the standard used for evaluating and certifying sustainable attributes of single-ply roof membranes during their lifecycles.

Certification awarded in 2016 for Duro-Last's single-ply membranes in 40-, 50- and 60-mil-thick options was renewed. The certification also was expanded to include the Duro-Last Rock-Ply® and Shingle-Ply® Designer Series membranes. In addition, certification for Duro-Last's reflective white Duro-Tuff,® Duro-Fleece® and Duro-Last EV membranes was renewed and expanded to include all colors for Duro-Tuff and Duro-Fleece, as well as the Duro-Fleece Plus® membrane.