Meet Atlas EnergyShield Ply Pro—glass-mat faced polyiso insulation that takes thermal performance and fire safety seriously, so you don’t have to. It’s the quiet hero of exterior walls and renovations, keeping heat in, moisture out, and your building code happy.

Key Features & Design

• Class A Fire Rating: UL Standard 263 and ASTM E119 compliance for top-tier fire resistance in walls and assemblies.
• Glass-Mat Faced Polyiso Insulation: Innovative glass-mat facing combined with polyiso to deliver excellent thermal resistance and durability.
• Versatile Applications: Suitable for use with wood or steel studs, concrete constructions, and various claddings including brick, stucco, and metal panels.
• Low Moisture Vapor Transmission: Demonstrates excellent moisture resistance, minimizing water uptake per ASTM E96 for long-term performance.
• Dimensional Stability: Maintains its physical integrity under extreme temperatures from -100°F to +250°F.
• Eco-Friendly & Energy Efficient: Contributes to building energy efficiency, helping reduce heating and cooling costs.
• Code Compliance & Building Standards: Designed to meet ASTM C1289, Type V, IBC requirements, and supports UL Standard 263 for hourly rated walls.
• Durable & Weather-Resistant: Low moisture absorption and stable performance in challenging environments.

Available in a wide range of thicknesses—from 1.625 in to 4.625 in—to meet different R-value targets and project needs. This versatility makes it a robust choice for new constructions and renovations alike.

Technical Specifications

• 1.625 in — Sq/Ft per Pallet: 928; Sheets per Pallet: 29; R Value: R-6.8
• 2.125 in — Sq/Ft per Pallet: 704; Sheets per Pallet: 22; R Value: R-9.8
• 2.625 in — Sq/Ft per Pallet: 544; Sheets per Pallet: 17; R Value: R-12.9
• 3.125 in — Sq/Ft per Pallet: 480; Sheets per Pallet: 15; R Value: R-16.1
• 3.625 in — Sq/Ft per Pallet: 416; Sheets per Pallet: 13; R Value: R-19.3
• 4.125 in — Sq/Ft per Pallet: 320; Sheets per Pallet: 10; R Value: R-22.5
• 4.625 in — Sq/Ft per Pallet: 288; Sheets per Pallet: 9; R Value: R-25.8
• 1.75 in — Sq/Ft per Pallet: 832; Sheets per Pallet: 26; R Value: R-6.9
• 2.25 in — Sq/Ft per Pallet: 640; Sheets per Pallet: 20; R Value: R-9.9
• 2.75 in — Sq/Ft per Pallet: 544; Sheets per Pallet: 17; R Value: R-13
• 3.25 in — Sq/Ft per Pallet: 448; Sheets per Pallet: 14; R Value: R-16.2
• 3.75 in — Sq/Ft per Pallet: 384; Sheets per Pallet: 12; R Value: R-19.4
• 4.25 in — Sq/Ft per Pallet: 320; Sheets per Pallet: 10; R Value: R-22.6

Choose Atlas EnergyShield Ply Pro for reliable, high-performance insulation that supports energy efficiency and resilient building envelopes—without the drama. Ready to upgrade your project with proven fire safety and thermal performance? Add it to your cart today.