About Us

CappingCompound.com by J.A. CRAWFORD CO. is a national leader in the distribution of ultra-thin, flake style sulfur capping compound utilized by testing laboratories for compressive strength testing.

Located in Southern California, J.A. CRAWFORD CO. is built upon their pride in service and turnaround time – with same or next day shipping on all sulfur capping compound plus warehouse will-call availability. With over 50 years in service, J.A. CRAWFORD CO. is a key supplier for both East-Coast and West-Coast Testing Laboratories.

Sauereisen, Inc., based in Pittsburgh, PA since 1899, is one of the world’s leading manufacturers of Basolit Sulfur Capping Compound as well as various corrosion resistant materials. With over 120 years in service, Sauereisen is proud to provide a consistent, high-strength sulfur capping compound for compressive strength testing.

For a quote or to purchase material, please call J.A. CRAWFORD CO. at 800-223-5883 or email us at customerservice@cappingcompound.com.