SOPREMA ISO 

SOPRA-ISO is a rigid polyisocyanurate thermal insulation panel for use in approved multi-ply membrane and flashing assemblies. SOPRA-ISO is composed of closed cell polyisocyanurate foam bonded to fiber reinforced/organic mat facers on the top and underside. Available in both board stock and tapered panels.

IKO ISO 

IKOTherm Polyisocyanurate Foam Insulation is designed to be part of modified bitumen, built-up, or single-ply roof systems. IKOTherm Polyiso is composed of a select kraft paper reinforced with fiberglass strands for high strength and excellent absorption for both hot mopping and adhesive attachment methods. The product also performs well with mechanical fasteners. IKOTherm is a rigid, polyisocyanurate foam insulation with high thermal properties, which provide outstanding insulation protection and help to reduce heating and cooling costs. Lightweight and easy to handle, IKOTherm is available in two board sizes and a range of thicknesses to meet a variety of insulation needs.