Atlas ACFoam-II Flat GRF Fiber Felt Faced 2 Sides 4ft x 4ft Polyiso Roof Insulation Board - All Sizes estimateend-4 it provides ample space for

it provides ample space for easy access to your attic

Securely attach to an exposed-fastened roof while still allowing free flow of rainwater under the system

Its compact and lightweight design

Durable and weather-resistant materials for long-term performance

Atlas ACFoam-II Flat GRF Fiber Felt Faced 2 Sides 4ft x 4ft Polyiso Roof Insulation Board - All Sizes estimateend-4 it provides ample space forAtlas ACFoam II is a high performance, rigid polyisocyanurate (polyiso) foam insulation board designed for use in commercial flat roofing systems. Each board is fiber reinforced felt faced on both sides, offering excellent dimensional stability, strength, and durability. Ideal for use over steel, wood, or concrete decks, ACFoam II enhances energy efficiency, helps meet R value targets quickly, and supports various membrane systems. Its closed cell