Introducing DuPont™ Styrofoam™ ST-100 Series XPS Insulation
The Styrofoam™ Brand ST-100 Series has been formulated to meet sustainability goals for climate action regulations in U.S. states. But some things remain unchanged: these new XPS products offer the same high performance and long-term value under the same Styrofoam™ product names with ST-100 descriptor – so there’s no need to change your specifications.
For additional details on compliance, refer to our U.S. compliance map and ICC-ESR 4755 code report.
For a complete list of current Styrofoam™ Brand ST-100 product lines with IRC and IBC building code application approvals, refer to ICC-ESR 4755.
|LEED Optimization Credit Eligible?||Yes, 2
Note+: DuPont can offer customers the maximum two product valuation towards the Option 2, 1-point Embodied Carbon/.LCA Optimization credit.
DuPont™ Styrofoam™ Brand XPS also qualifies as 1 product towards the Option 1, 1-point.
*To convert kgCO2e/m2RSI to kgCO2e/bdft, divide by 12.24. The 12.24 factor was calculated by the following equations:
1m2RSI = 1m2 * 1.14 inch = 1.02 ft3 (where 1m2 = 10.76 ft2 and 1.14 in = 0.095 ft)
1bdft = 1ft2*in = 1ft2*(1/12 ft) = 0.0833 ft3
1.02/0.0833 = 12.24 m2RSI / bdft
Meeting or exceeding
A path to positive change
Our history is rooted in innovation and Styrofoam™ Brand XPS is the industry leader – allowing us to deliver better, more-sustainable technology for modern building needs. The reduced GWP Styrofoam™ Brand XPS is another example of our long-term commitment to global sustainability and environmentally compliant building solutions.
The Styrofoam™ Brand ST-100 series, under the same product names you know, will be available for all the existing Styrofoam™ product lines: for example, Styrofoam™ Square Edge is available as Styrofoam™ Square Edge ST-100 XPS insulation. The change is easy to identify; we are modifying the color from the traditional blue to the new grey.
Above and beyond ensuring environmental compliance, we're continuing to advance our 2030 Sustainability Goals and invest in global efforts and technology innovations to help you design and build energy-efficient, resilient and durable structures in this rapidly changing world.
With the same thermal performance, moisture resistance, durability and ease of use, Styrofoam™ Brand ST-100 Series XPS Insulation – along with our complete building envelope solutions – delivers protection that’s a sure fit for all six sides.
1 DuPont Styrofoam™ ST-100 EPD UL Declaration #: 4789868895.101.1. See also DuPont Styrofoam™ (blue) EPD UL Declaration #: 4789559274.101.1 for non-regulated states.
2 Owens Corning NGX EPD Declaration # 4789639125.101.1
3 Kingspan Low GWP EPD referenced: Declaration #SCS-EPD-07176 (40 psi). Other Kingspan published EPDs: SCS-EPD-07175 (25 psi); SCS-EPD-07177 (60 psi)
4 We have purchased Renewable Energy Credits to offset our electricity usage since 2016.
5 Styrofoam™ Brand Cavitymate™ Ultra Insulation, with patented carbon black technology, will continue to be produced in dark grey, delivering long-term insulating performance of R-5.6 per inch in wet cavity wall environments.
6 R means resistance to heat flow. The higher the R-value, the greater the insulating power
7 Lower embodied carbon as demonstrated by DuPont Environmental Product Declarations (EPDs)
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