Atlas EnergyShield CGF is a versatile polyiso insulation board with dual-sided coated glass-mat facers—designed for both residential and commercial projects. It delivers solid energy performance with a straightforward, no-nonsense installation vibe—because your build deserves reliable insulation, not drama.

Key Features & Design

• Dual-sided durability: Features coated glass-mat facers on both sides to enhance durability and moisture permeability.
• Wide application range: Ideal for interior and exterior walls, continuous insulation over masonry, attics, crawlspaces, knee walls, precast, tilt-up, cast-in-place insulated concrete wall panels, and under-slab insulation.
• Code and safety compliance: Meets ASTM C1289 Type II, Class 2 specifications; passes ASTM E84 flame spread (<75) and smoke development (<450); recognized by IBC and IRC; supports ASHRAE and IECC guidelines for continuous insulation.
• Temperature versatility: Service temperatures from -100°F to +250°F, ready for challenging environments.
• Moisture control and stability: Less than 1% water absorption by volume with dependable dimensional stability under varying conditions.
• Energy efficiency: Approved for use in attics and crawlspaces without an additional thermal barrier, aiding in building energy conservation.

Available Thicknesses and Performance

• 0.5 in — R-3 — 1440 sq ft per pallet — 45 sheets per pallet
• 0.75 in — R-4.5 — 992 sq ft per pallet — 31 sheets per pallet
• 1 in — R-6 — 736 sq ft per pallet — 23 sheets per pallet
• 1.5 in — R-9 — 992 sq ft per pallet — 31 sheets per pallet
• 2 in — R-12.1 — 736 sq ft per pallet — 23 sheets per pallet
• 2.5 in — R-15.3 — 576 sq ft per pallet — 18 sheets per pallet
• 3 in — R-18.5 — 480 sq ft per pallet — 15 sheets per pallet
• 3.5 in — R-21.7 — 416 sq ft per pallet — 13 sheets per pallet
• 4 in — R-25 — 352 sq ft per pallet — 11 sheets per pallet

With its broad range of thicknesses, Atlas EnergyShield CGF is ready for all sizes of projects—from retrofits to new builds—delivering dependable insulation performance where you need it most. If you’re aiming for safer, more energy-efficient spaces without fuss, this board keeps it simple and effective.