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Flat Roofs

2501 West Armitage

Donaly roofing installs all major flat roof types, including Energy Star, from quality flat roof manufacturers


With the wide variety of materials that are available, it is important to understand the appearance that is desired, as well as consideration of one’s budget. Regardless of the style of the building, whether it is a small contemporary home or a strip-mall, our knowledgeable staff can assist you in making the correct choice.


Our installers are experienced in the application of products and are certified by the manufacturers to install 3-tab, architectural, dimensional, and wood shingles. We are also experienced in specialty roofing products, including concrete tile, clay tile, slate, stone coated metal type shingles, and many more.


Manufacturers of flat roofs


Donaly Roofing is certified contractors for Firestone, Johns Manville, Mule-Hide, GAF, and Duro-Last.





Firestone Building Products offers a wide product offering that includes single-ply, metal and asphalt-based system solutions, Firestone Building Products provides innovative products with outstanding warranty coverage.



Firestone roofing systems


EPDM Roofing Systems - Featuring outstanding performance capabilities and warranty coverage, Firestone's line of EPDM Systems, including RubberGard EPDM, Platinum EPDM, and RubberGard R.M.A., has been the proven choice for nearly 30 years.


Roofing Accessories Test - EPDM Systems • Adhesives & Primers • AcryliTop Coating • QuickSeam Accessories TPO Systems • Adhesives & Primers • AcryliTop Coating • QuickSeam Accessories • InvisiWeld System Asphalt Systems • Adhesives & Primers • Cap Sheets • Base Sheets Insulation • Adhesives & Primers Enhancements • SkyScape Vegetative Roof Systems • SunWave Daylighting System •...


TPO Roofing Systems - Firestone TPO Systems, including UltraPly TPO, Platinum TPO, ReflexEON TPO and UltraPly TPO XR, provide eco-friendly roofing system options and unsurpassed warranty coverage.


Metal Roofing Systems - Design enhancement, energy efficiency and ease of use are just some of the features Firestone Metal Systems provide.


Asphalt Roofing Systems - Firestone APP, SBS and BUR Asphalt Systems provide a variety of roofing solutions to meet any unique design and installation.


Green Roofing Products - Firestone offers a variety of sustainable Green Systems and accessories, including garden roofing systems and photovoltaic (PV) systems.



Firestone roofing insulation


From polyiso insulation to cover boards to composites, Firestone Insulation can be used to enhance any roofing system.


Firestone modular systems


Firestone Modular Systems offer users an alternative to traditional construction projects.


Firestone roofing accessories


The diverse Accessories line from Firestone includes QuickSeam Tape System, QuickSeam SA Flashing, AcryliTop Coatings, FillGard Pourable Sealer and Red Shield Pipe Supports.



Johns Manville


Johns Manville Roofing Systems are dedicated to helping you defy the elements with the most extensive offering of low slope roofing solutions. To construct highly protective, energy efficient and cost effective roofs, an integrated JM system delivers more value than individually purchased components. Tested and proven to work together, the elements of a JM roofing system are designed to meet the specific requirements of each individual building. Part of our system approach is the inclusion of technical and customer support as well as strong guarantees which add peace of mind to the value equation. Single-source supply also means single-source responsibility and single-source dependability. For long-term performance look to JM for advanced capabilities in the building sciences.


Comprehensive roofing solutions


Our portfolio of roofing systems includes a complete line of single ply, built-up and modified bitumen membranes, including Cool Roof solutions. They are complemented by quality thermal insulations, cover boards, adhesives, cement, roof coatings and specialty roofing products — all with the convenience of a single-source provider.


  • Bituminous Roofing Systems

  • BUR (Built-Up) Roofing

  • APP Modified Bitumen

  • SBS Modified Bitumen

  • Single Ply Roofing Systems

  • TPO Roofing

  • PVC Roofing

  • EPDM Roofing


  • Liquid-Applied Systems

  • Liquid Membrane Systems

  • Liquid Flashing Systems


JM's innovative products


JM's emphasis on research and development helps us anticipate market needs and meet evolving building requirements with creative solutions.

The science behind our materials and products is extensive. Working in partnership with our customers, JM's new product development teams are challenged to adopt new and innovative technologies that cost-effectively increase the performance of commercial/industrial roofing systems.


The Johns Manville Technical Center in Littleton, Colorado is one of the best-equipped research facilities in the country, with extensive capabilities in structural, chemical, mechanical and thermal analyses. Here, JM scientists and engineers test and develop products to find technology-based solutions for a specific market and product needs.


Examples of JM innovations include:


  • Multiple Cool Roof Systems — to include TPO and PVC single ply roofing systems; and SBS CR and BUR Glaskap® CR reflective, white mineral surfaced cap sheets

  • Next Generation PVC — Johns Manville's PVC formulation with DuPont™ Elvaloy® KEE technology offering longer lasting protection

  • JMCleanBond™ — a self-adhering technology for cleaner installation of SBS modified bitumen

  • Invinsa® Roof Board — a lightweight board that reduces labor and optimizes longevity of the roof system

  • SeamFree™ Liquid Membrane System — easily applied waterproof barrier for decks with hot asphalt restrictions or numerous penetrations

  • PermaFlash® Bituminous Flashing System — a flexible liquid-applied flashing system for use on any penetration, even the most challenging




Our 28,000 square feet manufacturing facility and 14,000 square feet national support center in Beloit, Wisconsin is home to an expert group of product development, quality assurance, and technical support associates. Located on the same campus is our 7,000 square feet Learning Center where hands-on installation training takes place, including our popular EPDM Intensive Training Program. Mule-Hide delivers on the promise of time-proven systems you can count on:


  • Warranty eligible contractor program

  • Extensive warranty program

  • Extensive code approvals, UL and FM listed assemblies

  • Nationwide network of technical support representatives

  • Downloadable specifications and detail drawings online

  • Tapered Solutions resource

  • Unparalleled "Special Solution Support"

But it’s through ongoing interchange with architects, specifiers, structural engineers, and installers that Mule-Hide keeps on top of the latest roofing requirements and solutions.


Our contractors provide total systems and work with you to ensure compatibility and related performance of interfacing products. This includes assistance in membrane and system selection; and determining the best installation practices and techniques to ensure a sustainable, watertight roof. Mule-Hide … The Right Choice Mule-Hide is the right choice for a broad range of roofing applications. Mule-Hide time-proven systems are simple and economical to install, yet meet the stringent demands of today’s commercial, industrial, and institutional buildings with an eye on the future. Mule-Hide has extensive experience in reroofs. Mule-Hide membranes are manufactured under strict quality control in a wide range of sheet sizes, lengths, and membrane thicknesses. Available through one of the largest distribution networks - nationwide and in Canada. Extensive Warranty Program Mule-Hide offers Premium System and Standard System Warranties, plus Membrane Warranties. All projects requesting a Standard or Premium System Warranty are inspected by a Mule-Hide representative prior to the issuance of the warranty. Warranty Eligible Contractor Program.




GAF Materials Corporation has grown to become North America’s largest manufacturer of residential roofing (sold under the GAF-Elk brand) and commercial roofing (sold under the GAF brand). Professional installers have long preferred the rugged, dependable performance that only a GAF roof can offer, and have made it the #1-selling brand in North America. But our recent and rapid success in growing the company to over $2 billion in annual sales has been based on a unique philosophy of "helping":

For property owners & architects

Helping to assure your best and safest choice in roofing.

For our distributor & contractor partners

Helping to build your business and avoid roofing hassles.

GAF's quality roofing products are regularly recognized by leading industry experts, including:


  • Awarded #1 visual brand by Life Magazine

  • Fireshield® brand roof restoration system named "Best Product" by the editors of Buildings magazine

  • Rated #1 in shingle quality by home builders

  • Winner of the Builder’s Choice award

  • Cobra® brand ridge vents rated #1 in quality by home builders

  • Featured regularly in leading home and garden publications and on home improvement networks such as HGTV

  • Premium designer roofing shingles have twice received the Architects Choice For Excellence Award 

  • Freedom™ TPO self-adhering roofing systems chosen Product Of The Year by Commercial Building Products magazine

  • Named most-used brand of shingles and roof vents by remodeling contractors 

  • Named #1 in innovation for shingles and ridge ventilation by home builders 

  • Named most-recommended brand by upscale remodelers 

  • First to produce an energy-efficient asphalt shingle available in rich colors, called the Cool Color Series



Duro-Last combines time-proven systems with contractor training seminars, on-the-job training, job site inspections, and technical support, to our warranty eligible contractors.


The Duro-Last prefabricated single-ply roofing system is ideal for virtually any commercial or industrial, flat or low-sloped application. The highly-reflective white membrane delivers real energy cost savings for building owners and managers. Extremely durable and easily installed without disruption to daily operations, the Duro-Last roofing system is also leak-proof, resistant to high winds, and virtually maintenance-free. The Duro-Last single-ply roofing system is a Proven Performer, with over a billion square feet installed all over North America. Duro-Last's reputation for quality stems from long-term, steady company ownership, a time-tested product formulation, and a highly-refined installation method that relies on dependable, authorized contractors.

Firestone Building Products
Johns Manville Roofing Systems
Mule-Hide Roofing Systems
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