The source of all the diseases that ruin buildings
There are various materials used here and there in Korea.One is caulking and one is urea foamhas good functionalityas for caulking, starting with acetic acid and non-acetic acid, and the technology for non-polluting and fire protection has been improved. urea foam is also really good. The material has the advantage of polyfoam, so its use and function are good.But it is used incorrectly.Reduces labor costs and has a deadline...