Polyiso Roof Insulation Products
ACFoam® is designed for roof assemblies that depend on compatibility
In a commercial roof system, insulation isn’t working alone up there. It has to integrate with the membrane, cover board, drainage design and other roof system components. ACFoam polysio roof insulation products are engineered to deliver broad assembly compatibility and solutions for a range of commercial roofing applications.
It is used in both new construction and re-roofing projects where consistent installation and long-term performance are required.

Polyiso Wall Insulation Products
EnergyShield® delivers continuous insulation across the building envelope
Wall systems do their best work when insulation performance stays consistent across the building envelope. EnergyShield wall insulation products create a continuous thermal layer across exterior walls, foundations and under-slab applications in both residential and commercial construction.

Choosing the Right Insulation Product
There is no one-size-fits-all answer when it comes to insulation products. The right choice depends on the assembly, the application and the performance goals for the building.
That is why Atlas products are organized around real system needs, making it easier to identify the right solution for roof performance, wall performance, below-grade applications and tapered drainage design.
| Application: | Atlas Product: | Designed For: |
|---|---|---|
| Commercial roofing | ACFoam | Flat roof insulation assemblies |
| Tapered roofing | Tapered ACFoam and Sureslope | Tapered roof insulation and prefabricated drainage solutions |
| Exterior walls | EnergyShield | Continuous insulation for commercial and residential wall assemblies |
| Foundations | EnergyShield XR | Below-grade and under-slab insulation applications |
| Interior exposed | EnergyShield Pro | Interior exposed applications for walls or ceilings |
Why Atlas: Insulation Products That Fit Any Assembly
Our products are made to give project teams dependable options for different assembly types.
Whether the project calls for commercial roof insulation, continuous wall insulation, foundation insulation or tapered solutions, Atlas products help support the performance of the overall assembly while giving teams flexibility in how they design, specify and build.
How Compatibility Drives Performance
Efficiency Extends Beyond the Materials
Sustainable insulation products play a long-term role in how a building performs throughout its lifecycle.
A more efficient building doesn’t happen in one big move. It comes from smart decisions made throughout the assembly. Insulation is one of those decisions.
Atlas polyiso insulation products help reduce energy loss through the building envelope, supporting steady thermal performance and more consistent interior comfort over time. They are manufactured without CFCs, HCFCs, or HFCs, and have zero ozone depletion potential (ODP) and negligible global warming potential (GWP).

Clear sustainability data for better decisions, giving teams access to product transparency documentation that helps inform material selection.
Built with indoor environments in mind, with certified products meeting strict limits for low chemical emissions.

Supporting higher-performing buildings with product documentation that helps project teams pursue applicable LEED credits.

More transparency about what goes into the product, with Declare labels disclosing product ingredients to support informed specification.
Polyiso Insulation Board FAQs
Choosing the right insulation product depends on where it will be used and how it needs to perform within the building system. Below are answers to common questions about roof and wall insulation products:

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