Atlas Tapered ACFoam-III Polyiso Roof Insulation, 2 in., 4 ft x 8 ft Sheet

Atlas Tapered ACFoam-III Polyiso Roof Insulation, 2 in., 4 ft x 8 ft Sheet

Regular price $641.52

/
Shipping calculated at checkout.

Atlas ACFoam-III 2" Tapered Polyiso Roof Insulation

High-performance tapered polyisocyanurate roof insulation designed for sloped drainage and thermal efficiency. ACFoam-III features durable facers and a 2-inch thickness in a 4x8 panel for fast coverage on commercial and residential low-slope roofs.


Key Features:

  • Tapered Design: Promotes positive roof drainage to reduce ponding water
  • Energy-Efficient Polyiso Core: Delivers high R-value per inch for thermal performance
  • Durable Construction: Engineered facers for strength and dimensional stability
  • Large Panel Size: 4 ft x 8 ft sheets speed installation on wide roof areas
  • Lightweight Handling: Approx. 15 lb per sheet for easier transport and placement

Specifications Table:

Specification Details
Brand Atlas
Product Name Tapered ACFoam-III Polyiso Roof Insulation 2"
Thickness 2 in
Panel Size 4 ft x 8 ft
Style Polyiso (Polyisocyanurate)
Board Type Tapered roof insulation
Unit of Measure PC; SHT; SQ (as applicable)
Approximate Weight 15 lb per sheet
SKU / Part Number ATLISO20CGF48

Frequently Asked Questions (FAQ):

Q: What are the panel dimensions?
A: Each sheet is 4 ft x 8 ft with a 2-inch nominal thickness.


Q: Is this suitable for low-slope commercial roofs?
A: Yes, it’s designed for low-slope roof systems where tapered insulation is used to create drainage.


Q: Can it be used with common roofing membranes?
A: Tapered polyiso boards are typically compatible with many roofing systems; follow membrane manufacturer guidelines and local codes.


Q: How much does a sheet weigh?
A: Approximately 15 lb per sheet.


Q: Is the product intended for creating slope?
A: Yes, the tapered profile helps establish positive drainage toward drains or scuppers.


Sculpted Slope, Elevated Efficiency

ACFoam-III introduces a tailored gradient that quietly transforms a roofline, guiding water with architectural intent. Its crisp, engineered surfaces feel refined, delivering performance with poise. Pair it with a clean, monochrome membrane for a modern, uninterrupted silhouette. This is the sleek foundation of effortless, luxurious building performance.


Upgrade your roof’s drainage and energy efficiency with Atlas ACFoam-III tapered polyiso—order your 4x8 sheets today.

*Third Party Trademarks

All third party trademarks, including logos and icons, referenced on our website and product pages remain the property of their respective owners. Unless specifically identified as such, Arbor's use of third party trademarks does not indicate any relationship, affiliation, sponsorship, or endorsement between Arbor Home and the owners of these trademarks. Any references by Arbor Home to third party trademarks are to identify the corresponding third party goods.

Why choose us

The Arbor Way

• Lowest Prices. Easy Online Shopping. Fast Delivery.

• No lines. No holds. No Hassles.

• America's Largest Inventory Network for All Home Improvement Supplies Nationwide.

• We deliver - town to town, door to door. 


Recently viewed

\