Atlas EnergyShield Pro Continuous Wall Insulation Board, 1 in. x 4 ft. x 8 ft.

Atlas EnergyShield Pro Continuous Wall Insulation Board, 1 in. x 4 ft. x 8 ft.

Regular price $2,944.63

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1" x 4' x 8' polyiso continuous wall insulation board

EnergyShield Pro is a rigid polyiso continuous wall insulation board with a Class A closed-cell foam core. It features a reflective reinforced foil facer on one side and a white reinforced acrylic-coated aluminum facer on the other, delivering high R-value performance with integrated water-resistive barrier attributes for exterior CI or select interior applications.


Key Features:

  • High-Performance Polyiso Core: Class A closed-cell foam delivers strong thermal efficiency
  • Dual Durable Facers: Reflective reinforced foil on one side; white acrylic-coated aluminum on the other for versatility
  • Lower Environmental Impact: Zero ODP and negligible GWP; blowing agent free of CFCs, HCFCs, and HFCs
  • Versatile Applications: Designed for exterior continuous insulation; may be reversed for interior walls or ceilings where a clean white surface is desired
  • Standards Compliance: Meets ICC-ES ESR-1375, ASTM E84, ASTM C518, NFPA 285, and more

Specifications Table:

Specification Details
Dimensions 1 in. x 4 ft. x 8 ft.
Thickness 1" (25.4 mm)
Width 4' (1220 mm)
Length 8' (2440 mm)
Material Closed-cell polyisocyanurate (polyiso) foam core
Facers Reflective reinforced foil facer (one side); white reinforced acrylic-coated aluminum facer (other side)
Environmental Attributes Zero Ozone Depletion Potential (ODP); negligible Global Warming Potential (GWP); blowing agent contains no CFCs, HCFCs, or HFCs
Intended Use Exterior continuous insulation (CI); may be reversed for interior walls only or ceilings only where a clean white surface is desirable
Compliance/Standards ICC-ES A12; ASTM C518; ASTM 1289 Type I Class 1 and Type I Class 2; ASTM E2357; ASTM E84; UL Listed; ANSI/UL 263 (E119); NFPA 285; NFPA 286; PE Evaluation; IBC; IRC; ICC-ES ESR-1375; ASHRAE 90.1 / ASHRAE 189.1 / IECC / IGCC Continuous Insulation Standards; IECC & ASHRAE 90.1; California Approved Insulation Registry T 1231; GreenGuard Gold Certification; RCI Approved; AIA Approved; U.S. Green Building Council Member; National Roofing Contractors Association
Unit of Measure PC; also sold by square feet (SQ)
Pack Coverage 1440 sq. ft. per pack
Style Polyiso

Frequently Asked Questions (FAQ):

Q: Can this be used as exterior continuous insulation (CI)?
A: Yes. EnergyShield Pro is designed for exterior CI and can also be reversed for interior walls or ceilings where a white surface is desired.


Q: What facers are on the board?
A: One side has a reflective reinforced foil facer; the other has a white reinforced acrylic‑coated aluminum facer.


Q: Does the foam blowing agent contain HFCs or CFCs?
A: No. The blowing agent contains no CFCs, HCFCs, or HFCs, resulting in zero ODP and negligible GWP.


Q: What certifications or standards does it meet?
A: It complies with ICC-ES ESR-1375 and listings including ASTM C518, ASTM E84, NFPA 285, UL/ANSI 263 (E119), IBC/IRC, and others.


Q: What are the board dimensions for this SKU?
A: 1 inch thick by 4 feet wide by 8 feet long.


Sleek Thermal Armor for Modern Envelopes

EnergyShield Pro slips into a project like a tailored suit—streamlined, polished, and performance-forward. The crisp white aluminum facer offers a clean, architectural finish while the reflective foil side amplifies efficiency behind the scenes. Layer it as a continuous mantle around the envelope, then reveal the white side in service areas for a refined, gallery-like feel. It’s a quiet luxury—elevating comfort and aesthetics with effortless poise.


Upgrade your building envelope with EnergyShield Pro for superior thermal performance and a clean, versatile finish—order your 1 in. x 4 ft. x 8 ft. boards today.

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