Ideally this need for creating an air gap will be addressed during the construction of a new concrete wall but there are other ways of improving soundproofing even on existing walls.
Sound damping concrete wall road noise.
The best solution for blocking outdoor noise is to erect barriers between you and the source of the sound be that a wall shed fence hedge anything.
For blocking road noise you can soundproof your exterior walls by installing a layer of drywall placing mineral wool batts between the studs or attaching mass loaded vinyl to the studs.
A fence intended to serve as a noise barrier or sound barrier will typically use thick tongue and groove boards in order to form an impervious barrier.
An 8 foot high solid fence or wall might knock 6 to 10 decibels off traffic and other ambient noise which typically measures 60 to 70 decibels about equal to the noise an older dishwasher makes.
The operative word for noise barriers is obviously heavy that is because as a rule of thumb mass dampens sounds best so fencing serving the purpose of blocking road sounds needs to be heavier than most other fencing.
Obviously in your situation that isn t the case.
Installing soundproof windows in the home office space greatly improved the quietness of the environment making it a relaxing place to work despite the outside traffic noise.
These boards are nailed to heavy rails which in turn are supported by heavy posts.
Some skylights after soundproofing against traffic noise.
Fair comment we added wind chimes because if you re trying to block out road noise they can be a useful distraction.
Or you can install soundproofing panels or thick moving blankets directly on the wall s surface.
Note that the blinds are between the old exterior window and the new interior soundproof window.
Sound reducing wall coatings sound reducing wall coatings or sound dampening coatings are great choices for existing interior and exterior walls.
When it comes to concrete and soundproofing you should always focus on coating the walls with a layer of noise reduction materials first.
Masonry walls such as brick concrete or stone are ideal for blocking out sound but a solid wood fence can also be effective.
Here are some affordable ways to do it.
It is impossible to block all highway and road noise from your yard but noise barriers can reduce the noise significantly enough for you to ignore it and enjoy your backyard space.
Sound damping sound damping reduces or prevents vibrations from traveling through walls so they can t transfer noise or as much noise into other living spaces.