The History of EPDM Rubber Roofing: A 1960s Firestone Innovation

Quick answer: EPDM (ethylene propylene diene monomer) synthetic rubber roofing material was first introduced in 1962, but it took nearly two decades before Firestone installed the first warranted EPDM roof in 1980, in West Bend, Wisconsin — a milestone widely treated as the true commercial launch of EPDM as a mainstream commercial roofing system. Firestone’s growth in the material accelerated further with a dedicated Prescott, Arkansas manufacturing plant opened in 1983, which became the largest EPDM production facility in the world; by 2015, roughly 6.5 billion square feet of Firestone’s RubberGard EPDM had been installed globally, and the company introduced its Secure Bond adhesive-free installation technology that same year.

The Material Science: What Makes EPDM Suited to Flat Roofs

EPDM is a synthetic rubber compound made from ethylene, propylene, and a diene monomer — a combination specifically engineered for exceptional resistance to UV radiation, ozone, and weathering, along with genuine flexibility across a very wide temperature range that lets a membrane expand and contract with a building’s thermal movement without cracking or losing its seal. These properties made EPDM particularly well suited to low-slope and flat commercial roofs, where a membrane needs to remain watertight across an unbroken, continuously exposed surface for decades, rather than shedding water quickly the way a pitched, shingled roof does by its geometry alone. The material’s dark color (in its original, most common form) also absorbs significant solar heat, a property that later became a genuine trade-off point once reflective roofing and Energy Star-rated membranes (covered in our companion piece on solar reflectance) became a bigger consideration in commercial roofing decisions.

From 1962 Introduction to 1980 Commercial Launch: Why the Gap

The nearly two-decade gap between EPDM’s initial 1962 introduction as a material and Firestone’s first warranted commercial roof installation in 1980 reflects a common pattern in building materials development generally: a genuinely new material often needs years of refinement in formulation, manufacturing process, seaming and adhesive technology, and real-world field testing before a manufacturer is confident enough in its long-term performance to back it with a meaningful warranty — and before building owners and specifiers are willing to adopt it at scale for a roofing system responsible for protecting an entire structure. Firestone’s decision to install and warrant that first EPDM roof in West Bend, Wisconsin in 1980 represented exactly that confidence threshold being crossed, transforming EPDM from a promising but unproven synthetic material into a commercially backed roofing system building owners could adopt with real manufacturer accountability behind it.

Why EPDM Displaced Built-Up (Tar and Gravel) Roofing

EPDM’s rise through the 1970s and 1980s coincided directly with rising asphalt costs driven in significant part by the era’s oil embargoes, which made traditional built-up roofing — multiple layers of asphalt-saturated felt and hot-applied asphalt, topped with a gravel ballast layer — meaningfully more expensive to install at exactly the moment a durable synthetic alternative was becoming commercially available. Beyond the direct cost dynamic, EPDM offered practical installation advantages over built-up roofing as well: a single-ply membrane installs faster than multiple built-up layers, doesn’t require on-site hot asphalt kettles (a genuine job-site safety and logistics improvement), and offers more predictable, consistent material performance than a multi-layer built-up system whose quality depends heavily on correct field application of each individual layer.

Firestone’s Prescott, Arkansas Plant and Scaling EPDM Production

Firestone’s 1983 decision to open a dedicated EPDM manufacturing plant in Prescott, Arkansas — which became the largest EPDM production facility in the world — reflects how quickly demand for the material grew once its commercial viability was established by the 1980 West Bend installation. Scaling production at this level was a necessary step for EPDM to move from a specialty or premium option into a genuinely mainstream, cost-competitive commercial roofing choice available at the volume the broader commercial construction market required, rather than remaining a niche product with limited supply and correspondingly limited adoption.

How Widespread EPDM Became: The 6.5 Billion Square Foot Milestone

By 2015, Firestone’s RubberGard EPDM brand alone had been installed across an estimated 6.5 billion square feet of roofing globally — a scale that illustrates just how completely EPDM came to dominate the low-slope commercial roofing category over the roughly three and a half decades following its 1980 commercial launch. This figure represents just one manufacturer’s branded product line, meaning the total EPDM roofing installed globally across all manufacturers combined is considerably larger still, underscoring how thoroughly the material displaced older built-up and other early single-ply alternatives across the commercial roofing industry during this period.

Secure Bond Technology and the Shift Toward Adhesive-Free Installation

Firestone’s introduction of Secure Bond Technology in 2015 represented a meaningful installation-method innovation built on top of the core EPDM material itself: rather than relying entirely on liquid adhesives to bond the membrane to the roof deck (a process sensitive to weather conditions, application consistency, and cure time), Secure Bond technology enabled a mechanically anchored, adhesive-reduced or adhesive-free installation approach — improving installation consistency and reducing some of the weather-dependency and application-error risk that liquid-adhesive installation methods carry. This kind of installation-method refinement, layered onto an already well-established base material three and a half decades after its commercial introduction, is a common pattern in mature building materials categories: once the core material itself is proven and dominant, competitive innovation increasingly shifts toward installation speed, consistency, and labor efficiency rather than the underlying material chemistry itself.

Brief Comparison to TPO and PVC Membranes That Emerged Later

EPDM’s dominance in the low-slope commercial roofing category eventually faced real competition from TPO (thermoplastic polyolefin) and PVC (polyvinyl chloride) single-ply membranes, which emerged later and offered their own specific advantages — most notably, both TPO and PVC are typically manufactured in white or light colors as standard, giving them a natural solar-reflectance advantage over EPDM’s traditional black membrane without requiring a separate reflective coating, and both use heat-welded seams rather than adhesive-bonded seams, which some specifiers consider a more reliable long-term seam technology. This competitive dynamic has meaningfully shifted market share within the single-ply commercial roofing category over the past two to three decades, though EPDM remains a widely specified, well-proven option today, particularly where its specific durability and flexibility characteristics are prioritized over reflectivity.

Where EPDM Remains the Right Call Today vs. Where Newer Membranes Have Taken Over

EPDM continues to be specified today particularly in applications where its long, well-documented track record and superior flexibility and puncture resistance in extreme temperature swings are prioritized, and in markets or climate zones where solar reflectance is a lower priority than raw material durability and proven long-term field performance. TPO and PVC have captured a larger share of applications specifically where reflectivity requirements (driven by energy codes, ENERGY STAR program requirements discussed in our companion piece, or a building owner’s own cooling-cost priorities) make a naturally light-colored membrane the more straightforward choice without needing a separate reflective coating system. A knowledgeable commercial roofing contractor can help a building owner weigh these specific trade-offs against their own building’s climate zone, energy code requirements, and budget rather than defaulting to whichever membrane happens to be currently trending in the broader market.

Other Questions People Ask

Is EPDM only used on commercial buildings, or does it appear on residential roofs too?

EPDM is used on some residential applications, particularly low-slope sections of an otherwise pitched residential roof, porch roofs, and additions — but it remains overwhelmingly associated with commercial and industrial flat and low-slope roofing, where its specific durability and installation characteristics are most valuable at scale.

How long does an EPDM roof typically last?

EPDM roofing systems are commonly rated and warrantied for 20-30 years of service life, with well-maintained installations sometimes exceeding that range, though actual longevity depends significantly on installation quality, membrane thickness, and ongoing maintenance.

Can an EPDM roof be coated to improve its reflectivity?

Yes — reflective acrylic or other specialized coatings can be applied to an existing EPDM membrane specifically to improve its solar reflectance after installation, offering a way to address the reflectivity gap between traditional black EPDM and naturally light-colored TPO or PVC without replacing the entire roofing system.

People Also Ask

Who invented EPDM roofing?

EPDM as a material was introduced in 1962, though Firestone’s 1980 installation of the first warranted EPDM roof in West Bend, Wisconsin is generally treated as the material’s true commercial launch as a mainstream roofing system — see the full timeline above.

Why did Firestone create EPDM rubber roofing?

Firestone commercialized EPDM specifically to offer a more durable, cost-competitive synthetic alternative to traditional built-up asphalt roofing at a time when oil-embargo-driven asphalt cost increases made built-up roofing meaningfully more expensive — see the full context above.

How old is EPDM roofing technology?

The material itself dates to 1962, making it over six decades old, while its mainstream commercial roofing use dates specifically to Firestone’s 1980 warranted installation — a track record of well over four decades as an established commercial roofing system.

Sources

• Firestone Building Products, company and product historical documentation
• EPDM Roofing Association, industry history materials

Material and manufacturing details reflect industry-documented history as of this research; current product specifications and manufacturer offerings should be verified directly with manufacturers for any active project. Last updated September 2026.