Product Description
ACFoam® Nail Base Nailable Roof Insulation is a thermally efficient closed-cell ACFoam®-II or ACFoam®-III polyisocyanurate (polyiso) insulation board bonded to min. 7/16" APA/TECO rated OSB or min. 19/32" CDX plywood on the top face. ACFoam® Nail Base is offered in a variety of composite thicknesses, providing long-term thermal resistance (LTTR) values.