is the preeminent manufacturer of polyisocyanurate foam insulation bunstock (polyiso rigid foam) and expanded polystyrene (EPS insulation). Polyisocyanurate insulation is the superior insulation for low and mid-temperature applications. Dyplast's polyiso is sold as buns (variable sizing), insulation board, chunk, or block insulation in a variety of densities (2, 2.5, 3, 4, and 6 lb/ft3) and dimensions. Custom shapes, such as for pipe insulation, are available through our network of fabricators.

Our ISO products have the highest_insulating_value of commercially available insulations, and are ideal for demanding HVAC and chill water pipe_insulation, cryogenic_insulation, and other mechanical_insulation applications. They are well-suited for container wall insulation and freezer_or_refrigeration insulation. Furthermore our ISO-C1/2.0 polyisocyanurate foam insulation bunstock is the only polyiso bunstock tested by both UL and FM to meet the Class 1 requirements of ASTM E84 for fire spread and smoke development.

We also offer a variety of complementary EPS_insulation, architectural_shape products, foam packaging, and more - - for commercial and industrial. (Limited residential products)

We are experts in the polyisocyanurate insulation and EPS foam insulation business. Above and beyond the many applications listed below, we promise to deliver you incomparable value.

ISO-HT Polyiso: For High-temperature applications up to 400F, with superior thermal resistance
ISO-C1 Polyiso: Meeting Class 1 fire/smoke ratings per ASTM E84, with highest thermal efficiency
DP Deco-Shapes replace wood and concrete forms and architectural shapes Architectural Shapes Custom EPS shapes for architectural, forming, & decorative applications
EPS insulation replaces Apache Products insulation EPS Insulation High-value insulation with excellent qualities, including Tapered board for roofing
Holey-Board replaces Apache Hol-E-Board and Apache Holey Board Holey-Board EPS insulation for light-weight concrete roofs
GeoFoam replaces Apache Products Geofoam and Apache geofoam GeoFoam Superior EPS substitute for soil fill applications

ISO-C1 has highest R-factor! Read More»

Dyplast Announces its ISO-HT for High Temperatures! Read More»

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