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Anytime, anywhere, right here: that’s the DI promise for everything we do. We have industry-leading expertise in every insulation-related field and are committed to delivering everything in our catalogue - from thermal and acoustical insulation supplies to maintenance, repair and operations (MRO) supplies – whenever and wherever you need it. This promise is what sets us apart.

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To consistently bring you the highest degree of expertise, we align ourselves with insulation professionals who share our passion to deliver excellence, including:

  • National Insulation Association (NIA)
  • Central States Insulation Association (CSIA)
  • Eastern States Insulation Contractors Association (ESICA)
  • Southwest Insulation Contractors Association (SWICA)
  • Southeastern Insulation Contractors Association (SEICA)
  • Midwest Insulation Contractors Association (MICA)
  • Western Insulation Contractors Association (WICA)
  • Metal Building Manufacturers Association (MBMA)


DI is proud to receive industry-wide recognition for our continued commitment to safety and technical expertise:

  • Brock Group named DI its Supplier of the Year (Large Volume Category) in 2019.
  • For more than 10 years, NIA has recognized the safety efforts of distributors and manufacturers of insulation products. In 2014, NIA awarded DI the Theodore H. Brodie Distinguished Safety Award (Silver) in recognition of our safety program.
  • The MIT/DI team of Tom Edge, Rolando Faz and Enrique Ramirez earned first place honors for their technical seminar on removable insulation at the SWICA Expo 2013 Byron Sadler Craft Competitions.