FlintBoard ISO DD Composite Polyisocyanurate/DensDeck Roof Insulation is a rigid board insulation for hot asphalt BUR, modified bitumen and single ply roofing systems.
Consult membrane manufacturer for suitability and system requirements.
FlintBoard ISO DD features a closed-cell polyiso core bonded to 1/4" DensDeck with a fiber-reinforced felt facer on the bottom side. The DensDeck top makes FlintBoard ISO DD a good choice where foot traffic is a concern.
FlintBoard ISO DD is a recommended roof insulation in conjunction with CertainTeed Commercial Roofing Systems including Flintlastic Roof Systems.