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Atlas
C (2" to 2-1/2") Tapered 4' x 4' Grade-III Polyiso Roof Insulation
QXO product C-252053 · 1 options
Selected: ATL ISO C PANEL GR-III 4X4
QXO SKU 252053 · Product number ATLTCG3
Free, no-obligation quote. Our team confirms local availability, required quantities, compatible components, and installation pricing.
Selected option specifications
- UOM
- PC
- Item Weight
- 6
- Algae Resistance
- No
- Applicable Standards
- ASTM C1289 CAN/ULC-S704 CCMC No. 12423-L UL Certified for Canada UL Standard 1256 Classification UL Standard 790 (ASTM E108) UL Standard 263 (ASTM E119) UL Standard 1897 FM Standard 4450/4470 Approved IBC Chapter 26 & NBC California State Miami-Dade County Approved Florida Product Approved Greenguard Certified RCI Approved NRCA Approved AIA Approved U.S. Green Building Council Member
About this product
Closed-cell polyisocyanurate (polyiso) foam core integrally bonded to inorganic coated glass facers. Tapered ACFoam-III is offered in a variety of slopes, to achieve positive drainage as well as long-term thermal resistance (LTTR).



