To insulate under kitchen cabinets, start by preparing the space: identify any gaps or air leaks, clear out the cabinets, and measure the area. Choose the appropriate insulation material based on your needs—options include spray foam, fiberglass batts, or foam boards. For spray foam, clean the area, apply the foam to fill gaps, and let it cure before trimming. With fiberglass batts, c... https://kbdkitchensbydesign.com/how-to-insulate-under-kitchen-cabinets/