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Duro-Last EV Resources & Downloads
Known as the “World’s Best Roof®”, Duro-Last, Inc. is a pioneer of single-ply roofing systems – with over TWO-BILLION SQUARE FEET of roofing membrane installed throughout North America. This highly sustainable and extremely durable roofing system is leak-proof, virtually maintenance-free and resistant to chemicals, fire, punctures, and high winds.
Duro-Last is headquartered in Saginaw, Michigan with additional manufacturing facilities in Grants Pass, Oregon; Jackson, Mississippi; Sigourney, Iowa, and Carrollton, Texas. For more information on Duro-Last, call 800-248-0280 or visit www.duro-last.com.
Through Duro-Last’s prefabrication process, the entire roofing system, including all components and accessories, is designed to fit building specifications exactly, manufactured in one of our five plants and then delivered to the jobsite for installation. This process eliminates up to 85% of on-site rooftop membrane seaming, reducing errors during installation. Prefabrication also offers:
• Less labor and easier installation in all weather
conditions allow for Time Off the Roof™
• Reduced waste
• A solution for aesthetic design challenges
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Each Duro-Last Designer Series system provides an aesthetic look plus the watertight performance and long-term durability of Duro-Last’s single-ply roofing system. We offer Shingle-Ply® and Rock-Ply® systems with each design printed onto the membrane. A special coating helps protect the finish from marring, fading, and dirt accumulation.
The Vinyl Rib system consists of the Duro-Last single-ply membrane and separate vinyl ribs. Membrane sections are adhered to the roof deck and overlapping edges are heat-welded together, forming a watertight, monolithic covering. Vinyl Ribs are then heat-welded to the installed membrane delivering an aethetic, architectural standing-seam look with the performance of Duro-Last's proven, thermoplastic, single-ply system.
60 mil
Tests outlined by ASTM D-4434
The Duro-Tuff membrane incorporates established membrane chemistry and superior film thickness above the scrim. These features combine to deliver excellent rooftop wearability, protection against weather, and longevity.
Available in 50, 60 and 80 mil, Duro-Tuff can be mechanically attached or adhered and was engineered to be used with the complete line of Duro-Last’s proven, precision-fabricated flashings for curbs, stacks, and parapets that ensure a watertight fit.
60 mil
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Elvaloy® provides many desirable characteristics in roofing membranes, including:
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Duro-Last recently introduced its first Elvaloy® KEE-containing membrane, Duro-Last EV. Membranes containing Elvaloy® KEE, such as Duro-Last EV offer exceptional reflectivity, chemical resistance, and hail resistance – the same features that make the core Duro-Last system the "World’s Best Roof®”.
Duro-Last EV is available in 50 and 60 mil and offers a full line of compatible prefabricated accessories.
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SQUARE FEET
SQUARE FEET
50 mil
Duro-Fleece
Roll Goods Membrane
The Duro-Last membrane is a proprietary thermoplastic formulation that provides exceptional flexibility, reflectivity, resistance to U.V. radiation, and flame retardance.
Duro-Last adds no “filler” material to increase the membrane thickness; our membrane’s top film thickness is equal to or greater than that of other single-ply products. It contains a weft-insertion scrim with a density of 18 x 14 threads-per-inch.
Duro-Last warranties provide unparalleled security for virtually all commercial roofing applications.
50 mil
60 mil
It is now easier and faster to create specifications for the “World’s Best Roof”®
Our second generation specification tool makes it easy for Architects, Roofing Consultants and Contractors to specify Duro-Last Roofing Systems from Edge-to-Edge & Deck-to-Sky™. The tool creates a three part CSI Master Spec formatted specification along with a four color isometric graphic of the selected roof assembly.
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Duro-Tuff Flyer
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DURO-LAST PHYSICAL PROPERTIES
Duro-Last EV Unique Features
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50 mil
Duro-Tuff Roll Goods Membrane
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The Duro-Fleece system combines Duro-Last’s proven thermoplastic membrane and a high-quality fleece material that’s bound to the underside of the membrane during manufacturing.
The Duro-Fleece membrane is available in 50, 60 and 80 mil, can be installed using mechanically-attached or adhered methods and can be used with the complete line of Duro-Last’s proven, precision-fabricated flashings for curbs, stacks, and parapets that ensure a watertight fit.
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80 Mil Membrane
50 mil
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50 mil
Membrane Products
Duro-Last Membrane - Prefabrication
Membrane Products
About Duro-Last®, Inc.
60 mil
Duro-Fleece Resources & Downloads
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BILLION
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80 mil
Quality is Everything
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The Duro-Last membrane is a proprietary thermoplastic formulation that provides exceptional flexibility, reflectivity, resistance to U.V. radiation, and flame retardance.
Duro-Last adds no “filler” material to increase the membrane thickness; our membrane’s top film thickness is equal to or greater than that of other single-ply products. It contains a weft-insertion scrim with a density of 18 x 14 threads-per-inch.
Duro-Last warranties provide unparalleled protection for virtually all commercial roofing applications.
Duro-Last EV
50 mil
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Duro-Tuff Resources & Downloads
Additional Tests
• Thickest film over scrim
• Heavy reinforcement
• Full line of prefabricated accessories fabricated
from 50 mil Duro-Last EV membrane
• Superior weldability
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Duro-Last EV Roll Goods Membrane
• Easy heat welding due to melting properties
• Resistance to chemical attack
• Weather resistance
• Long-term flexibility
• Durability
• Resistance to microbial growth
• Energy efficiency
80 mil
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BILLION
OF MEMBRANE
40 mil
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OF MEMBRANE