Secondary Glazing - Noise reduction principles скачать в хорошем качестве

Secondary Glazing - Noise reduction principles

Visit www.secondarydiyglazing.com/noise-reduction for more detailed information in text, diagrams and videos. You can also buy our Secondary Glazing systems with cut-to-size sheet for heat and noise insulation in one easy-to-install package. Secondary Glazing is a very effective, quick and inexpensive way of achieving noise insulation. This video clearly shows 3 basic principles in simple demonstrations: a Secondary pane with an air gap reduces onward sound a deeper air gap is more effective than a shallower one the thickness (and therefore mass) of the Secondary pane also reduces onward sound