GreenGuard GG25-LG XPS Insulation Board
Closed-cell Type IV extruded polystyrene (XPS) insulation board with a minimum compressive strength of 25 psi. Designed for below slab, cavity wall, and foundation applications with high moisture resistance and long-term thermal performance.
Produced with a blowing agent blend for GWP of less than 50. It has high water resistance and an R-value of 5.0 per inch of thickness.It retains its insulating properties over time. Use this insulation for below slab, cavity wall, and foundation applications.Available in a square-edge board, a ship-lap-edge board, a pre-cut 16-inch-wide board, and a score board.
Product Data
General
| Property | Test Method | Result |
|---|---|---|
| Nominal Thickness (in) | – | 1/2, 3/4, 1, 1-1/2, 2, 2-1/2, 3, 4 |
| Nominal Board Width | – | 16 in / 2 ft / 4 ft |
| Nominal Board Length (ft) | – | 8 |
| Edge Profile | – | Square or Shiplap |
| Property Type | ASTM C578 | IV |
| Compressive Strength (psi @10%) | ASTM D1621 | 25 |
| Water Absorption (% vol) | ASTM C272 | 0.3 |
| Water Vapor Permeance (perm) | ASTM E96 | 1.5 |
| Density (lb/ft³) | ASTM C303 | 1.5 |
| Max Service Temp (°F) | – | 165 |
Thermal
| Property | Test Method | Result |
|---|---|---|
| R-value (per inch) | ASTM C518 | 5.0 |
| Thermal Conductivity (k) | ASTM C518 | 0.2 |
Fire & Smoke
| Property | Test Method | Result |
|---|---|---|
| Flame Spread | ASTM E84 / UL723 | 25 (Class A) |
| Smoke Developed | ASTM E84 / UL723 | 140 |
GreenGuard GG25-LG XPS Insulation Board Product Data Table
