Harvi-Foil 404 Insulation provides an efficient thermal barrier, helping to regulate indoor temperatures by minimizing heat transfer through walls, roofs, and other surfaces., Harvi-Foil 404 Insulation is suitable for various applications, including roofs, walls, and floors, making it a versatile choice for residential and commercial construction projects., By helping to maintain consistent indoor temperatures, Harvi-Foil 404 Insulation contributes to enhanced comfort and a more pleasant living or working environment.