Our commercial product assortment would not be complete without the mix of DOW Styrofoam products we offer. With direct pricing available for job site deliveries of four lifts or more and complete access to specialty products such as THERMAX™, ISOCAST™, Z-Mate, Highload, Cavitymate™, in square edge, tongue-and-groove, and shiplap, Hancock Lumber is your choice for Styrofoam.

Thermax™	With more than 30 years of proven experience, THERMAX exterior insulation features a distinct free-rise technology for better product consistency, durability and fire performance. The foam core provides one of the highest R-values* available (R-6.5 at 1") for immediate insulation and weather protection on the job site, as well as long-term thermal performance.
Isocast™	ISOCAST™ R insulation combines a patented high-performance polyisocyanurate foam core with a trilaminate aluminum/poly/kraft facer on both sides to achieve strength, high R-value* and moisture resistance. ISOCAST™ R insulation is designed for use in concrete panel walls (precast, tilt-up or poured in place), where it is sandwiched between two layers of concrete with connectors holding together the finished panel.
Z-MATE™	STYROFOAM™ Z-MATE™ extruded polystyrene insulation is a moisture-resistant, durable and lightweight foam board designed specifically for use beneath drywall in interior masonry wall applications, saving time and money on the job site.  Its closed-cell structure provides superior long-term thermal performance and moisture control.
Highload Insulation	STYROFOAM™ Highload extruded polystyrene insulation is a closed-cell foam insulation. Available in compressive strengths of 40, 60 and 100 psi STYROFOAM Highload insulation features superior moisture resistance and R-value* retention. All three STYROFOAM Highload insulation products resist compressive creep and fatigue, delivering long-term compressive strength.
Cavitymate™	STYROFOAM™ Brand CAVITYMATE™ Insulation is produced in a special 16" (400 mm) width, making it easy to fit between brick ties in cavity wall applications. This Type X extruded polystyrene solution is designed for use in wet cavity wall environments, offering high moisture resistance, durability and excellent thermal performance. Available in butt edge and shiplap edge treatments.