1. Product description

Ventilated sound insulation window is a kind can satisfy ventilated function already can block sound transmission. The Windows themselves are designed for ventilation and sound insulation. Including two methods: one is through the structural modification of the window seal, glass and frame, such as the use of vacuum glass, high quality seal strip and frame; 2. Stagger the positions of air inlet and air outlet. For example, the noise reduction effect of "double window staggered opening" can reach 8~10dB (A).

2, use

Ventilation window is suitable for noise sensitive buildings, such as schools, residences, offices, hotels, etc. It can not only reduce the influence of all kinds of outdoor noise (such as traffic noise, etc.) on the indoor environment of the building, but also ensure that the indoor and outdoor air supply is good. After the use of this product, the lowest indoor sound pressure level of the buildings which are harmed by noise, such as classrooms, residences and offices, can reach the level II requirements of "urban regional environmental noise standard" (GB3096) and "civil building sound insulation design code" (GBJ118), 40-50db during the day and 35-40db at night. Moreover, it can ensure that the indoor air supply can meet the air exchange requirements of "general principles of civil architectural design" (JGJ37), "code for residential architectural design" (GBJ96), "code for primary and secondary school architectural design" (GBJ199), "code for dormitory architectural design" (JGJ36), etc.