wholesale EPDM roofing


wholesale TPO roofing


wholesale PVC roofing

White EPDM

wholesale White EPDM roofing


Diamond Sys

Diamond 105 System

The Diamond 105 System has been a successful patented system for the past 30 years with no failures and it also exceeds all state voc laws.


Seal-A-Plate System

Seal-A-Plate is a cost-effective roofing system for the mechanical fastening of single-ply EPDM rubber membrane.

Fully Adhered

Fully Adhered System

Fully-adhered sheets of the Totally Adhered Roofing System provide the architect with numerous options in design flexibility.


EPDM, TPO, PVC, & White EPDM Roofing Materials

With over 50 years of roofing experience, International Diamond Systems has installed millions of square feet of various roofing systems on thousands of structures across North America.

At International, our goal is to offer the highest quality wholesale EPDM, TPO, PVC, & white EPDM roofing systems and materials, requiring the simplest application techniques, providing the longest life in resisting all natural elements, and warranted to be virtually trouble free.

In 1989, Inc. magazine ranked International Diamond #102 out of 500 privately held companies, and in 1990 International Diamond was voted “Manufacturer of the Year.”

International Diamond Systems are marketed throughout the United States and Canada via a network of manufacturer’s representatives/distributors and authorized applicators, providing an immediate response to any customer need. These men and women are thoroughly trained in helping a customer properly evaluate the type of roofing system that will best suit their structure’s requirements, and then installing it. The International family is the best in the roofing business.

All products used to install International Diamond Systems must be products of International Diamond Systems or approved by International Diamond Systems.

At International, our goal is to offer:

– The highest quality roofing systems and materials.
– Requiring the simplest application techniques.
– Providing the longest life in resisting all natural elements.
– Warranted to be virtually trouble free.

Please peruse our web site to learn more about our company and products. The International family is the best in the roofing business.

International Diamond Systems

5110 Angola Road
Toledo, Ohio 43615 USA
Call toll free 1-800-248-1558

E-mail: info@internationaldiamond.com

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Special Notice

Independent reps and EPDM Installers needed to represent/install the most innovative EPDM systems on the market. International Diamond Systems wants to expand its network of Reps and Installers in several regions.

Let our products boost your income potential. Training, technical support, and leads provided.

Our products offer easy installation, reduced labor cost, and quality assurance.