We are the authority

Since 1981, SPRI has been the leading authority on the single-ply roofing industry.

SPRI 2020 Conference

January 10-12, 2020 | Opal Sands Resort | Clearwater, FL

Registration for the SPRI 2020 Conference is now open! You do not want to miss out on this year’s events.

Your source for information

SPRI is your source of balanced, scientific information on single-ply roofing systems.

We guide code development

SPRI’s research on the installation and performance of roofing systems guides building code development.


DORA, a comprehensive, easy-to-use listing service database for consultants, specifiers, and architects is now LIVE.

SPRI is your home for commercial roofing industry information. Here, you can browse through our resource documents, keep up with our events, search for members and learn more about SPRI ANSI Standards.

SPRI is always looking for ways to improve the quality of education on the industry.

Proactively Advance Technology

Intervene and Impact Code and Testing Issues

Accurate Data: Energy Savings, Recycling + Sustainability Issues

Resolve Technical Issues

Monitor Legislative and Regulatory Issues

We improve the industry

SPRI standards promote better roof performance.

What they are saying

We enable every member

SPRI’s membership includes companies from all aspects of the single-ply roofing industry dedicated to improving the industry through cooperation.

Our recent stories

Share in our membership thinking and stories.

The Importance of Nailers in Low Slope Roofing Systems

The Importance of Nailers in Low Slope Roofing Systems

Since 2003, ANSI SPRI ES1 has been in place to assist designers, manufacturers, owners, and contractors in the prevention of failure of perimeter edge metal assemblies in low slope roofing systems. Edge metal often serves as the primary method of membrane securement,...

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Introduction to Hot-Air Welding

Introduction to Hot-Air Welding

Among the many key components to a successful thermoplastic single-ply roof installation, properly executed hot-air welding of field seams, head laps, and flashing detail remains crucial to the overall long-term performance of the system. Advancements in both welding...

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Randy Ober to join SPRI as Technical Director

SPRI is pleased to announce that its Board of Directors has appointed Randell E. Ober as Technical Director. Ober will begin his service at SPRI in January 2020 with the retirement of current Technical Director Mike Ennis. Ober brings more than 35 years of commercial...

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Polyurethane Adhesives

Polyurethane Adhesives

Polyurethane Adhesives When it comes to adhering insulation to roof decks, two-component polyurethane adhesives hold the largest market share in the commercial roofing market according to industry studies. Many roof decks, such as concrete and gypsum, can make...

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SPRI Elects New Directors and Honors Members for Service

SPRI Elects New Directors and Honors Members for Service

SPRI elected four directors to its board and honored members at the association’s 37th Annual Conference and Business Meeting, held Jan. 18-20 in Tucson, AZ. During the meeting, SPRI’s membership elected the following slate of officers and Directors for the...

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