Product Description Kingspan Air-cell Insulbreak® is a 3-in-1 insulation, vapour barrier and thermal break solution for steel-framed construction. In steel-framed buildings Kingspan Air-cell Insulbreak® delivers the R0.20 thermal break required for BCA compliance*, reducing thermal bridging and conductivity between building elements. Kingspan Air-cell Insulbreak® is also commonly used in nonsteel framed applications such as brick veneer walls and timber framed roofs. CodeMark-certified Kingspan Air-cell Insulbreak® is manufactured with a patented physically cross-linked, closed-cell foam structure, and sandwiched by highly reflective foil surfaces.