sprayfoam
Spray foam is a type of insulation material created by mixing and reacting two chemical components. These components are typically polyol resin and isocyanate. When sprayed, the mixture expands and hardens, creating a rigid foam that insulates and seals a space. Spray foam is applied using specialized equipment that heats and mixes the chemicals, then dispenses them through a spray gun. The expanding foam fills cavities, cracks, and crevices, creating an effective air barrier.
There are two main types of spray foam insulation: open-cell and closed-cell. Open-cell foam is less dense
Spray foam is often used in residential and commercial construction for insulating walls, attics, crawl spaces,