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Building Owners

We use quality name brands for all our work, from roofing to appliances. We will be happy to provide you with the names upon request.




Call today for a FREE estimate on all of your commercial roofing needs.


Specialized Roofing

We only build with "The World's Best Roof"

The Duro-Last single-ply roofing system is ideal for any flat or low-sloped application. Since 1978, over a billion square feet of Duro-Last membrane have been installed on buildings of all types.


The Duro-Last roofing system is:


Precision fabricated - Every Duro-Last roof is manufactured to exact size in our controlled factory environment. This eliminates up to 85% of rooftop installation seaming and ensures an excellent fit, delivering worry-free, leak-proof, long-term protection. 


Energy-efficient -The Duro-Last white membrane has the highest retained reflectivity of any single-ply membrane rated by the EPA’s ENERGY STAR® Roof Products Program, saving significant energy and money for facilities of all types throughout North America.


Durable -The Duro-Last roofing system is resistant to fire, chemicals, grease, high winds and punctures, and easily accommodates wide temperature extremes.


Installed by authorized contractors - Installation is quiet and safe, without loud machinery, hazardous materials, noxious fumes, hot tar or mess. A new Duro-Last roof often can be installed over an existing roof without an expensive tear-off. Backed by the industry’s best warranties - Duro-Last's standard, comprehensive 15-year full 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. Duro-Last also has 20-year warranties available.



Add Value and Protect your Investment with Proven and Guaranteed Roofing Systems from Duro-Last and Kenco Designs.


When it comes to working with contractors to complete your projects, you know how important it is to find a reliable company with professional quality and service.


Kenco Designs is an authorized, professional installer of the Duro-Last Roofing System which is backed by the Indutstry's Best Warranties.The Duro-Last roofing system is perfect for any flat, low-sloped, new or retrofitapplication. A Duro-Last roof is watertight and virtually maintenance free.Duro-Last protects the commercial and industrial building owner with eithera 15-year full warranty or a 20 year pro-rated warranty. Both warranties aretransferable, and both provide maximum protection including coverage forconsequential damages that result from defects in the Duro-Last materialand/or installation.


Duro-Last and Kenco Designs Deliver Long-Term Value: Custom prefabrication. Energy savings. durable, leak-proof, virtually maintenance free performance. Industry-leading warranties. Installed by an authorized professional contractor.


The Duro-Last roofing system is the best long-term investment value for your building.


Duro-Last is The "World's Best Roof"® Duro-Last's custom-prefabricated, reinforced, PVC roofing system is ideal for any flat or low-sloped application. Extremely durable and easily installed by authorized contractors without disruption to daily operations, the Duro-Last single-ply roofing system is also leak-proof, resistant to chemicals, fire and high winds, and virtually maintenance-free. Over a billion square feet of the Duro-Last PVC roofing system membrane have been installed on all types of commercial, industrial, and institutional buildings throughout North America.


Prefabrication of Duro-Last's PVC roof membrane not only reduces the material waste associated with the installation of most rolled systems, it also eliminates 80-85% of the typical on-site, labor-intensive seaming required for other single-ply roofing systems. The Duro-Last roofing system also comes complete with all accessories included.




Every Duro-Last single-ply roof is measured and manufactured to exact size, accommodating every rooftop penetration. Prefabricating the vinyl roof membrane in our controlled factory environment eliminates up to 85% of seaming that is done on-site during rooftop installation, and improves the long-term performance of the roofing system. This precise attention to detail ensures an excellent fit and delivers worry-free, leak-proof protection. Duro-Last can even assist your architect, facilities or maintenance personnel in developing specifications for your roofing project.




The Duro-Last roofing system, made from a PVC membrane, is resistant to fire, chemicals, grease, high winds, and punctures, and easily accommodates wide temperature extremes. Duro-Last's custom flashing components - made from the same vinyl roof membrane as our deck material - resist ponding water and help solve roof problems before they can occur. Plus with Duro-Last's available Roof-Trak® Protective Walkway System, heavy equipment and maintenance traffic are easily managed.

Property Management

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