1" 4x8 POLYISO FOIL SHEET R6.5
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To sell this effectively, you need to highlight its high R-value per inch and its versatility. Polyiso (polyisocyanurate) is the "gold standard" for rigid foam because it packs more thermal resistance into a thinner profile than EPS or XPS.
Here is a high-conversion product description for your ecommerce site.
1" x 4' x 8' Polyiso Rigid Foam Insulation Board (R-6.5)
Maximize Efficiency with the Industry’s Highest Thermal Performance
Our 1-inch Polyiso Foil-Faced Sheathing is engineered for builders and DIYers who refuse to compromise on space or energy savings. Featuring a closed-cell polyisocyanurate core sandwiched between two radiant barrier foil faces, this board provides superior thermal resistance and moisture protection.
Key Specifications
Dimensions: 1" Thick x 4' Wide x 8' Long
R-Value: R-6.5 (Standard for 1" Polyiso)
Facing: Reflective Foil (Dual-sided)
Material: Closed-cell Polyisocyanurate
Note on R-13: To achieve a total system R-value of R-13, these 1" boards are typically doubled (layered) or used in conjunction with cavity insulation. A single 1" sheet provides a standalone R-value of R-6.5.