Polyurethane board is used for construction and insulation, and has many advantages. In particular, it is known to possess outstanding thermal insulation properties that help save energy in buildings. PU boards are light in weight, easy to install, and can be cut to almost innumerable shapes-bearing different construction projects in mind. They absorb sound well, providing a quiet indoor environment for all users. In addition, PU boards are resistant to moisture, helping to prevent mold and mildew from growing. They are also durable, ensuring a long service life under various circumstances.