Three things to pay attention to when buying foam caulk

polyurethanefoam caulk is widely used in home decoration, and because the tools used are 小口pipe gun type thing, convenient for construction workers, sealing and stickiness very good too. suitable for door cracks, thermal insulation and sound insulation, the sealing effect is very good. consumers are purchasing polyurethanefoam caulking when applying , you must pay attention…