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DuPont
Styrofoam™ Brand Cavitymate™ Ultra (SB) XPS Foam Insulation
QXO product C-695246 · 2 options
Selected: DDP+CMATE ULTRA SB 2.18"X48X96
QXO SKU 695246 · Product number DDPCMUSB2184896
Free, no-obligation quote. Our team confirms local availability, required quantities, compatible components, and installation pricing.
Selected option specifications
- Dimension
- 48 in x 96 in
- UOM
- SQ|PC
- Item Weight
- 1
- Thickness
- 2.18"
- Applicable Standards
- ASTM C578 ASTM C518 ASTM D1621 ASTM E96 ASTM D696 ASTM C203 ASTM C2162 ASTM D2842 International Residential Code International Building Code ICC-ES ESR 4755 UL Classified (D369)
About this product
DuPont™ Styrofoam™ Brand Cavitymate™ Ultra ST-100 (SB) XPS Insulation is a moisture-resistant, durable and lightweight extruded polystyrene foam board specifically designed for use in wet cavity wall environments. Manufactured with a patented carbon black technology, Styrofoam™ Brand Cavitymate™ Ultra ST-100 (SB) features an R-value of 5.6 per inch (RSI of 0.97 per 25 mm). Its closed cell structure provides advanced long-term thermal performance and moisture control.



