Effective June 1, 2019, DuPont Performance Building Solutions will reinforce the trusted performance of TYVEK Commercial products in combination with the durable thermal properties of STYROFOAM and THERMAX through the new DuPont Commercial Wall² Ten Year Product and Labor Warranty. For qualifying projects installed using DuPont Tyvek CommercialWrap products or Tyvek Fluid Applied WB+, in combination either with STYROFOAM Brand Extruded Polystyrene (XPS) or THERMAX Brand Rigid Insulation on the above grade wall, the building will be protected through the “power of two” DuPont Commercial Wall² warranty. The new DuPont Commercial Wall² Product and Labor Warranty will include: