Noise reduction of beyond 75 and upwards of 95 in some circumstances.
Soundproofing glass sliding doors.
Not only are they hindered by something like that but it ruins the point of them and the overall look.
Advantages of sliding glass doors.
In other words it prevents heat from coming through during summer and blocks the chilly air in winter.
If the doors have laminated glass then the security aspect is significantly increased.
There are also security benefits by installing a soundproof sliding glass door.
They re sliding doors so even placing materials for soundproofing on them is not advisable.
Double glazed glass consists of two layers of thick glass with an insulating layer of air between them.
On top of sound insulation they add thermal insulation as well.
With a field tested stc rating of 30 added to the rating of the door itself you should be approaching or exceeding a 60 rating.
As mentioned soundproofing a sliding door is more challenging than soundproofing a standard hinged door.
One reason is because these doors are primarily comprised of glass which is thinner than a standard wood door and thus requires more materials to effectively prevent the transmission of noise.
Air is a good insulator and by using the space in between the two glasses a high degree of soundproofing can be achieved.
Insulation benefits that come from having a soundproof window.
As is the danger any time you work with glass there is always a chance of them breaking no matter how slight.
Moreover you will not be forced to cover the doors with curtains to block sound.
Shut eye acoustical shutters look like the best answer to soundproofing your sliding patio door.