Commercial construction

Solutions for your below-grade applications


Energy-efficient, resilient building from the ground up

DuPont's world-class, high-quality insulation products are easy-to-use, proven solutions for commercial foundations and below-grade walls. Build in protection for resilience and energy efficiency from the ground up.

Cutaway image of DuPont™ Brand Styrofoam™ installed below foundation layers

Design with the future in mind

Rigid foam insulation products from DuPont offer excellent insulation and moisture protection, ensuring that buildings constructed today will still be performing long into the future.

  • High compression strength (up to 100 psi) for excellent durability and damage resistance
  • Superior moisture resistance
  • Consistent R-value performance over time and temperature range
Styrofoam™ Brand Perimate™ installed below-grade

Work smarter, not harder

Durable construction doesn’t have to be heavy or complicated. DuPont™ Styrofoam™ Brand Extruded Polystyrene materials make it easy to build in needed protection.

  • Lightweight for safe and easy one-person installation
  • Easy to cut materials simplify installation process
  • A robust product line tailored to specific needs handles a wide range of job site demands

Featured products

Styrofoam™ Brand SM
Get details
Styrofoam™ Brand Highload
Get details
Styrofoam™ Brand Cladmate™ CM20
Get details

Keep learning. Keep building better.

Sign up for updates from DuPont Performance Building Solutions and we'll keep you current on the latest building insights and training opportunities that will help you to do your best work for your customers.