Nuelarchitects on Instagram: "Liquid foam spray insulation is a versatile and effective method of insulating residential and commercial buildings. Applied by professionals using specialized equipment, this insulation material starts as a liquid and expands into a foam upon contact with air. It fills gaps, cracks, and cavities, creating an airtight seal that minimizes air infiltration and provides excellent thermal insulation. There are two main types of foam insulation: open-cell and closed-cell