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Commercial Roofing in PA, NJ, DE and Surrounding Areas

Flat & Low Slope Commercial Roofs

Manchester Commercial Roofing Systems specializes in high-performance leak-proof ENERGY STAR® sustainable cool roofing systems for flat & low slope roofs.  Manchester Roofing Systems is based in West Caln, PA on the eastern edge of Lancaster County. Our location affords us both low-overhead & good highway access to a large portion of the mid-Atlantic region. We have installed over 1 million square feet of leakproof commercial flat roofing in Pennsylvania, Delaware, Wilmington and surrounding areas including Allentown, Broomall, Cherry Hill, King of Prussia, Kulpsville, Lansdale, Levittown, Malvern, Newark, Pottstown, Plymouth Meeting, Reading, Swedesboro Wilmington and West Chester areas.

Our approach is simple: honesty & exceptional value from thorough evaluation and high-performance solutions with superior flat commercial roofing systems & workmanship.

Duro-Last Master Contractor

Manchester Roofing Systems is a certified Duro-Last Master Contractor providing excellent Duro-Last commercial flat roofing in Wilmington, DE and surrounding areas. The specification and installation of every Duro-Last commercial flat roof are done in accordance with Duro-Last’s extensive detailed requirements that ensure your new flat roof will be leakproof for decades and be covered by the best warranty in the flat roof industry by far. Duro-Last inspects every inch of field welding before the warranty is issued and Manchester Roofing System regularly scores 97+. Duro-Last is the only manufacturer that has a warranty that covers damages to your building from a roof leak. To get a detailed quote at no cost for the World’s Best Roof®, call us today.


Duro-Last is a pre-fabricated and reinforced PVC single-ply system that is the World’s Best Roof®.

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Gaco  is the leading manufacturer of high-adhesion advanced silicone roof coating systems.

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Astec is a reinforced fluid-applied roofing system

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GAF Certified - Manchester Roofing Systems

GAF  is the largest roofing manufacturer in the US and offers all major commercial flat roof systems.

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Schedule a Free Inspection with a Commercial Roofer

    New RoofRoof RepairRoof Coating

    Whether you’re looking for a quick leak repair or a roof replacement, we can help you. Our commercial roofing experts have served businesses all across PA, NJ, and DE.


    Commercial Roof Replacement

    Why Our Customers Like Us So Much

    We Do The Job Right

    “Thanks for one of the best roofing systems and installations I have seen.”

    Bob Yanders | Director of Maintenance |Northampton School District

    “Manchester is the cream of the crop.”

    Ben Reisinger| Inspector |Duro-Last

    “Manchester Roofing is one of the most professional contractors that I have seen.”

    Ernest Pendleton| Building Inspector |Lower Merion Township

    Our Prices Are Great

    “We got a Duro-Last roof for less than the other roofer’s price for rubber.”

    Kevin McClure| VP Finance | Penguin Industries

     “The other roofer wanted a bit more for TPO and a lot more forPVC.”

    Ben Sparango | Principal| Executive Property Management

    “Manchester Roofing was not only less expensive than the other Duro-Last Master Contractors, they did a great job.”

      Bob Yanders| Director of Maintenance |Northampton School District

    No Leaks

    “We had our first Duro-Last roof put on more than 16 years ago and liked it so much we put a new one on before our solar panels were installed even though it was still in great shape.”

    Dr. Joseph Yablonicky| Echelon Medical Center

     “Duro-Last is the best roof system for a flat roof it never leaks.”

     Michael Rockower| Canal’s Liquor Glassboro

    “The original roof leaked from time it was first installed whereas the Duro-Last roof has never leaked.”

    Kevin Gibson| Chief Engineer| PA Dept. of Corrections

    Premium Commercial Roofing Contractor

    Since 1993, our business has been built on integrity and lasting value. Manchester Commercial Roofing Systems specializes in Duro-Last Flat Commercial Roofing. Contact us today for a no-charge, detailed quote.

    Echelon Medical Center

    Award Winning Commercial Roofing Company

    Commercial Roofing Delaware

    Award Winning Commercial Roofing Company

    Commercial Roofing Company Pennsylvania

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