Tapered ACFoam polyiso insulation board

Atlas tapered ACFoam rigid insulation is designed for low-slope roofing to help create positive drainage while adding thermal performance. The tapered polyiso core supports energy-efficient roof assemblies and helps reduce ponding water risk.

Key Features:

• Positive Drainage Design: Tapered profile helps move water to drains/scuppers on low-slope roofs
• High-Performance Polyiso Core: Provides strong thermal efficiency per inch for energy-conscious roof assemblies
• Commercial Roofing Compatibility: Intended for use across a range of low-slope commercial roofing systems
• Code & Certification Ready: Listed compliance/approvals to support specification on regulated projects
• Jobsite Friendly Handling: Lightweight and easy to cut and fit during installation

Please check the Product Data Sheet Here

Specifications Table:

Frequently Asked Questions (FAQ):

Q: What does 1/8 in/ft taper mean?
A: It indicates the board thickness increases by 1/8 inch for every 12 inches of run to help create roof slope for drainage.

Q: Where is tapered polyiso insulation typically used?
A: Its commonly used on low-slope commercial roofing to improve drainage while adding continuous insulation above the deck.

Q: What size are the boards?
A: This product line is commonly provided in 4 ft x 4 ft panels; confirm the exact size needed for your takeoff and layout.

Q: Is this product compliant with common insulation standards?
A: Its listed as complying with ASTM C1289 (Type II, Class 1) and noted as UL/FM/Miami-Dade/ICC-ES approved in the provided data.

A sleek, architectural slopeperformance that disappears into the design

Theres a quiet sophistication in a roof system that performs beautifully without announcing itself. This tapered polyiso board brings sculpted precision to the plane abovehelping guide water away while supporting a clean, disciplined envelope. Use it to refine low-slope rooflines where technical rigor is the real luxury. Its the kind of behind-the-scenes essential that elevates the entire build.

Choose Atlas tapered ACFoam insulation to build in drainage and thermal efficiency where low-slope roofs need it most.