Purchased 2 models for our entrance bedrooms as we are on a noisy primary street. Set up them yesterday and the real difference in noise is amazing. I went with the six.4mm laminated glass and positioned the models over the entrance in the window sill to offer utmost hole. “I https://josueiauyw.wssblogs.com/26880816/not-known-facts-about-noise-reduction-windows-in-chelsea