The security door with acoustic insulation 42 dB
Di.Bi. designed Sound Line to offer to his clients a cosy, warm, safe and quiet house.
Sound Maxi offers an anti-intrusion class 3 and an acoustic insulation up to 42 dB, to allow the customer to find the comfort he likes in his house.
The sound-Proofing material of Sound Maxi is hidden inside the door, between the frame and the subframe, so that it can be used both as a security door for internal or external installation.
Sound Maxi has also an high aesthetical care for the details.