GreenGuard Insulation Board



GreenGuard GG25-LG XPS Insulation Board is an ideal exterior insulation, meeting your needs for multiple applications. Its extruded polystyrene (XPS) construction provides superior moisture resistance. And since it does not absorb moisture, it retains its insulating properties over time. With an R-Value of 5.0 per inch of thickness, the board increases the energy efficiency of your structures. Plus it’s lightweight, easy to handle, and easy to cut with a knife. Use this insulation for below slab, cavity wall, and foundation applications. It meets and exceeds all Type IV and Type X specifications.

Quick Overview

    GWP of less than 50 Meets and exceeds all ASTM C578 Type IV and Type X specifications R–value of 5.0 per inch of thickness Does not absorb moisture Retains insulating properties over time Maintains integrity Lightweight, durable...easy to use Continuous Insulation (CI) for walls Insulates foundation exteriors and protects against backfill damage Non–deleterious material • Available as pre-cut 16 inch wide board for cavity wall Available as score board for cavity wall; 4’ x8’ sheet snaps into 16 in., 24 in. or 32 in. widths
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Property Test Method Result Nominal Thickness (in)4 1/2, 3/4, 1, 1 1/2, 2, 2 1/2, 3, 4 Nominal Board Width 4 Nominal Board Length (ft) 4 16 in / 2 ft / 4 ft 8 Edge Profile4 Square or Shiplap Property Type ASTM C578 IV Compressive Strength, Min. (psi@ 10% deflection) ASTM D1621 25 Water Absorption, Max. (% by volume) ASTM C272 0.1 Density, Min. (lb/ft³) ASTM C303 1.6 Water Vapor Permeance, Max.² (perm) ASTM E 96 (Dessicant Method) 1.5 Service Temperature, Max (°F) 165 Thermal Thermal Resistance, R-value1 (°F.ft².hr / Btu per in thick) ASTM C518 (@75°F Mean Temperature) 5.0 Thermal Conductivity, k-value ( / hr.ft².ºF) ASTM C518 (@75°F Mean Temperature) 0.2 Fire & Smoke Flame Spread³ Smoke Developed³ ASTM E84 / UL723 15 (Class A) 140

Additional Information

Manufacturer: KingSpan
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