The Frigidaire 318372016 door insulation helps retain oven heat and reduce heat transfer through the range door during cooking. This replacement insulation material is positioned inside the oven door assembly, where it acts as a thermal barrier between the heated oven cavity and the outer door surface. By limiting heat movement, it helps the oven maintain its selected temperature whil... https://www.partsmelange.ca/frigidaire-318372016-door-insulation-for-range