Cool-Vent is a venting composite insulation board that consists of a 4'x8' panel of closed cell rigid polyisocyanurate, a middle layer of solid wood spacers, creating a standard 1" air space and a top layer of APA/TECO rated OSB or plywood. Cool-Vent is theenvironmentally intelligent choice for steep slope roofing applications and is viable in green and sustainable building designs. Hunter Cool-Vent is a premium roof insulation panel designed to provide superior thermal performance, moisture control, and ventilation in one system. Each panel features a factory-bonded 5/8 in OSB sheathing to rigid foam insulation, making it strong, energy-efficient, and easy to install. Available in multiple thickness options to meet different project requirements. Key Features Factory-bonded 5/8 in OSB to rigid foam insulation Provides continuous insulation and ventilation under roofing Reduces heat transfer for improved energy efficiency Enhances roof durability and moisture management Available in multiple thicknesses for various R-value needs Easy to handle and install, saving time on-site Total Thickness Panel Size OSB Thickness Foam Thickness Sheets/Pallet Total Sq Ft/Pallet 2.6 in 4 ft × 8 ft 5/8 in 1 in 18 576 sq ft 3.1 in 4 ft × 8 ft 5/8 in 1.5 in 15 480 sq ft 3.6 in 4 ft × 8 ft 5/8 in 2 in 13 416 sq ft 4.1 in 4 ft × 8 ft 5/8 in 2.5 in 11 352 sq ft 4.2 in 4 ft × 8 ft 5/8 in 2.6 in 11 352 sq ft 4.6 in 4 ft × 8 ft 5/8 in 3 in 10 320 sq ft 5.1 in 4 ft × 8 ft 5/8 in 3.5 in 9 288 sq ft