Stairway Studio provides SOUNDPROOFED GLASS that views it's market-leading position seriously; we are continuously developing and expanding our extensive product listing to add to the already outstanding technical backup and service that our customers have grown to accept as a standard.SOUNDPROOFED GLASS and windows are made specifically to lower the outside noise that enters your home by up to 42 dB. The secret is in the soundproof glass, which is a laminated glass with a unique PVB interlayer that reduces noise intrusion.