Count on IKO for the best in wall insulation systems. IKO’s innovative building envelope insulation systems are at the forefront of wall design. IKO Enerfoil™ and IKO Ener-Air™ high performing polyisocyanurate rigid foam insulation sheathing systems offer the highest R-value per inch. When IKO Enerfoil® is used with AquaBarrier™ Tapes or IKO Ener-Air™ is used with AquaBarrier VP Tapes, this innovative 2-IN-1 system eliminates the need for a separate membrane system to control air and vapour. These permeable and non-permeable products are suitable for either new construction or retrofit applications. IKO AccuCut is our new service of custom-cutting polyisocyanurate insulation sheathing at the plant to specified sizes, while creating straight and clean edges that make installation easier.