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Hunter Coolvent Nailbase Insulation Hunter Coolvent Nailbase Insulation
Hunter Panels,LLC


Cool-Vent is a venting composite insulation board that consists of a 4' x 8' panel of NexGen Chemistry polyiso, a middle layer of solid wood spacers and a top layer of APA/TECO rated OSB or plywood. Cool-Vent is the environmentally intelligent choice for steep slope roofing applications and is viable in green and sustainable building designs.

  • ASTM C1289-06, Type II, Class 1, Grade 2 (20 psi) or Grade 3 (25 psi)
  • FM4450, FM4470 (foam core only)
  • Hourly Rated P series roof assemblies (UL 263)
  • H-Shield classified by ULC
  • Insulated metal deck assemblies - UL 1256 (nos. 120, 123)




Hunter Coolvent Insul 2.5" 4X8 R 5.7 (HUCI2548)
608 SqFt/Unit

Hunter Coolvent Insul 3.0" 4X8 R 8.6 (HUCI3048)
512 SqFt/Unit

Hunter Coolvent Insul 3.5" 4X8 R11.4 (HUCI3548)
416 SqFt/Unit

Hunter Coolvent Insul 4.0" 4X8 R14.4 (HUCI4048)
384 SqFt/Unit

Hunter Coolvent Insul 4.5" 4X8 R17.4 (HUCI4548)
320 SqFt/Unit

Hunter Coolvent Insul 5.0" 4X8 R20.5 (HUCI5048)
288 SqFt/Unit

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Orders for Delivery

For scheduled delivery to your business or jobsite in the state of Michigan, northern Ohio, or northern Indiana using Wimsatt Building Materials' Professional Delivery service, call us at 800.497.9000.

Orders Shipped in the U.S.

For order items available for ground shipping anywhere in the continental U.S, place your order online here using the Add to Cart and Checkout buttons in the product catalog pages, and review our online order policies here.

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