WEST CONSHOHOCKEN, Pa. — ASTM International’s committee on roofing and waterproofing has bestowed the William C. Cullen Award to Philip Dregger of Technical Roof Services and Pacific Building Consultants Inc. in Concord, Calif.

Dregger was recognized for his distinguished contributions and personal commitment to the roofing and waterproofing community through his dedication and leadership in the industry, particularly his numerous publications and presentations about condensation, wind damage, and roof drainage problems.