Bourdeau Contracting
Duro-Last Roofing: Over 25 Years Of Roofing Excellence
CUSTOM PREFABRICATED SINGLE-PLY ROOFING SYSTEM
Since our inception in 1978, Duro-Last Roofing, Inc. has been the pioneer of custom prefabricated single-ply roofing systems. For over 25 years, Duro-Last has been The Proven Performer®, with over a billion square feet of membrane installed. This position of distinction has caused industry leaders, corporations, and sources of specifications throughout the country to recognize our technological contributions to the roofing industry.
THE DURO-LAST MEMBRANE: STRONG, DURABLE
The Duro-Last roofing system membrane is a proprietary PVC formulation of resins and
plasticizers, stabilizers, biocides, flame retardants, and U.V. absorbents. A weft insertion
knitted scrim laminated between two layers of film gives the membrane its strength and
durability. The Duro-Last membrane is available in gray, tan or white.
EVERY ROOF MANUFACTURED TO BUILDING SPECIFICATIONS
Every Duro-Last project is pre-engineered and designed to address the specific needs of each roofing application Prefabrication provides quality-assured products 80-85% of membrane seaming is completed in our factory’s controlled environment Less chance for installation errors in the field and costly leaks Reduces labor costs associated with roll-goods systems Material welded into large sheets, up to 2,500 square feet (232.26 square meters) System weighs .25 lbs. per square foot
ALL ACCESSORIES ARE INCLUDED
Duro-Last produces a complete line of standard and custom prefabricated accessories
Accessories are factory-produced, reducing field fabrication
Standard accessories include round pipe flashings, inside/outside corners,
two-way vents, roof drain liners, termination bars, drip edge, gravel stops/covers, fascia/covers, and two-piece (compression) metal edge systems. 
Edge details available in several colors of vinyl and metal
Custom accessories include large, round pipe flashings, parapet wall flashings,
scuppers and flashings for all types of rectangular roof penetrations such as
HVAC units, skylights, and chimneys