DuPont™ Styrofoam™ Brand ST-100 Series XPS Insulation is compliant in HFC-regulated U.S. states.
Our color is changing.
Our standard is not.
Watch video
Beyond Blue
NEW Styrofoam™ Brand ST-100 Series XPS
The ST-100 Series low GWP formulation represents a sustainable technology shift that reduces the product's embodied carbon, meets U.S. state HFC regulations and supports DuPont's 2030 Sustainability Goals. This game-changing formulation is a new grey color instead of the traditional blue — so you’ll know it when you see it.
View the compliance map
The newest members of the pack
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.
View the compliance map
Residential
Styrofoam™ Brand XPS
ST-100 Series
(below-grade, above-grade walls)- Styrofoam™ Brand Scoreboard™ ST-100 XPS Insulation
- Styrofoam™ Brand Square Edge ST-100 XPS Insulation
- Styrofoam™ Brand UtilityFit™ ST-100 XPS Insulation
- Styrofoam™ Brand Tongue and Groove ST-100 XPS Insulation
Commercial
Styrofoam™ Brand XPS
ST-100 Series
(below-grade)- Styrofoam™ Brand Scoreboard™ ST-100 XPS Insulation
- Styrofoam™ Brand Square Edge ST-100 XPS Insulation
- Styrofoam™ Brand Highload 40 ST-100 XPS Insulation
- Styrofoam™ Brand Highload 60 ST-100 XPS Insulation
- Styrofoam™ Brand Highload 100 ST-100 XPS Insulation
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.
Additional product lines and applications coming soon.
We're here to help
Let’s talk about what Styrofoam™ Brand ST-100 Series XPS can do for your next project.
Meeting or exceeding
code regulations
- Meets ASTM C578 Types (see product information)
- Compliant with IRC, IBC and IECC codes as listed in ICC-ESR 4755
- Contributes to USGBC LEED V4 points in multiple categories, including EA Credit 1 for Optimized Energy Performance (1-19 points), MRc3 Sourcing of Raw Materials, MRc4 - Material Ingredients, and EQc2, Low Emitting Materials
A strong
sustainability profile
- Low global warming potential (GWP)
- Produced using 100% Renewable Power
- UL Environment Certified recycled content (20% average)
- Low VOC compliance (California Title 24 standard)
- Contributes to DuPont's 2030 GHG emissions reduction goal
- Manufactured with BluEdge™ polymeric FR sustainable technology
Building for
the future
- Styrofoam™ Brand ST-100 Series XPS continues the legacy of Styrofoam™ Brand XPS, which has been installed in millions of buildings worldwide, saving billions in energy costs annually
- Zero-ozone depletion formula
- Enabling a Circular Economy with reuse
- Helps achieve high performance, durable buildings for thriving communities
A path to positive change
Styrofoam™ Brand ST-100 Series is compliant in HFC regulated U.S. states
We know that sustainability is more than just how our products are produced. It’s also about how they perform. Without compromising on quality, durability or thermal performance, we are introducing a new Styrofoam™ ST-100 Series XPS formulation that reduces greenhouse gas emissions and helps meet the DuPont 2030 Sustainability Goals. We’re delivering a product that has been evaluated by third-party certifications to meet or exceed standards on both sustainability and performance.
Move forward with grey Styrofoam™ Brand ST-100 Series XPS
GWP Reduction
Our history is rooted in innovation and Styrofoam™ Brand XPS is an industry leader – allowing us to deliver better, more-sustainable technology for modern building needs. Styrofoam™ ST-100 Series XPS Insulation 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.
New color.
Same value.
When you’re protecting all six sides of the building envelope, the Styrofoam™ Brand product family has long been the choice for quality, consistent performance and energy efficiency. The new Styrofoam™ Brand ST-100 Series XPS formulation maintains the high levels of performance you’ve come to expect from the Styrofoam™ Brand.
Performance is not a color
Styrofoam™ Brand ST-100 Series XPS delivers the same R-value – R-5 per inch thickness – for long-term thermal performance. The grey color lets you know it was made more sustainably – with reduced embodied carbon - thanks to an innovative low global warming potential (GWP) formulation.
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.
Styrofoam™ Brand ST-100 Series products are compliant in HFC regulated U.S. states. Refer to the Styrofoam™ Brand XPS Code Report ICC-ESR 4755 for details.
Styrofoam™ Brand ST-100 Series XPS Resources
Product information sheets
Styrofoam™ Brand Product Brochure
Styrofoam™ Brand ST-100 Series XPS EPD
Physical Property Equivalency Letter
Example Safety Data Sheet
Customer Processing and Transport Safe Handling
Fact Sheet
Safe Processing & Handling Graphic
Coming soon!
See the difference
New Styrofoam™ Brand ST-100 Series XPS – Product Differentiation
New grey color
ST-100 nomenclature
Compliance information
Any questions?
The Styrofoam™ Brand was the original, creating the product segment. Rooted in innovation, we’re excited to deliver a more-sustainable solution. Let’s start a conversion and discuss your next project.
Contact us