View all Insulation Products

Insulation Products

Complete supply of thermal and acoustical insulation for the industrial, commercial and HVAC markets. Pipe, board, block and blanket insulation, fittings, metal jacketing and related supplies.

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Abatement Supplies

Comprehensive selection of materials for the safe remediation of mold, lead and asbestos, including testing kits, containment systems, encapsulants and disposal supplies.

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Fire Protection Products

State-of-the-art service and supply for a wide range of firestopping applications and fire protection products, as well as technical, engineering and delivery support on all fire-rated assemblies.

View all Refractory Products

Refractory Products

Materials and custom fabrication for most high-temperature refractory applications. Includes Z-Blok modules, ceramic fiber, high-temperature blankets, insulating firebrick, refractory plastics and more.

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Tools & Equipment

Full range of industrial supplies, including janitorial, materials handling, lighting, electric power tools, hand tools, fire-retardant clothing and personal protective equipment.

View all Fabrication Products

Fabrication Products

Application knowledge and custom-fabricated materials for a wide range of insulating requirements, such as aerogels, cellular glass, fiberglass, metal jacketing and accessories.

View all Marine Products

Marine Products

Superior thermal and acoustical attenuation products for commercial, military and offshore vessels. U.S. Coast Guard–approved finishes on foil, mylar, lead and navy cloth.

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Safety & Contractor Supplies

Safety, spill control, first aid and personal protective equipment for workers in a wide range of industries, including oil and gas exploration, construction and manufacturing.

View all Removable Pads

Removable Pads

Design, specification, manufacture and installation of standard and custom-fitted removable insulation covers for a variety of industrial and commercial purposes.

View all HVAC


DI stocks the most recognizable brands of HVAC equipment, parts, and accessories for commercial and industrial needs in the industry.

View all Building Insulation

Building Insulation

Batts, Blown-In Insulation, Rigid Board, and more for residential and commercial applications.

View all Metal Building Insulation

Metal Building Insulation

Laminated blanket, custom faced and unfaced insulation, liner, support systems, and accessories for metal building and various commercial construction.