ACFoam Nail Base Roof Insulation


ACFoam® Nail Base is composed of a thermally efficient closed-cell ACFoam®-II or ACFoam®-III polysiocyanurate (polyiso) insulation board bonded to OSB or CDX plywood on the top face.  ACFoam® Nail Base is approved for use as a non-structural panel in new and re-roofing applications.

  • ASTM C1289, Type V
  • Wood layer minimum:  7/16” APA/TECO rated OSB or 19/32” CDX plywood.
  • Wood layer maximum: 3/4" APA/TECO rated OSB or CDX plywood.
  • Refer to Product Data Sheet for long-term thermal resistance (LTTR) values.
  • Made to order in 4ft x 8ft (1220mm x 2440mm) panels with a composite nominal thickness up to 4.5”.
  • Available as a special order product with FSC® Certified, Fire-Treated, Preservative-Treated and Radiant Barrier OSB or CDX plywood.
  • Manufactured using CFC-, HCFC- and HFC-free foam blowing technology with zero ozone depletion potential (ODP) and virtually no (negligible) global warming potential (GWP).
  • Approved for use as a non-structural panel in new and re-roofing applications.
  • Atlas Nail Base Fasteners are required for all Atlas ACFoam® Nailable Insulation Systems.
  • Refer to ACFoam® Nailable Insulation Guide for fastening patterns and other application recommendations.


Related Documents

PDF LogoACFoam® Nail Base Product Data Sheet

PDF LogoACFoam® Nailable Insulation Guide

PDF Logo ACFoam® Package & Loading Guide

PDF Logo ACFoam® Fastening Pattern Guide

PDF Logo ACFoam® Polyiso Roof Insulation Guide Specification

PDF Logo ACFoam® Nail Base SDS (MSDS)

PDF Logo Atlas Service Policy (Wall & Roof Insulation)