Soundproofing secondary glazing - An Overview
You may get excellent outcomes with just a 4mm glass, with the air gap of 150mm you'll be able to attain a 48dB sound reduction.Acquired 2 x tilting vertical sliders for that front sash windows of our grade 2 stated dwelling. We are very pleased with them - they've got reworked the lounge from a chilly noisy Place into a heat peaceful area wherever