With minimal demolition, the most basic way to soundproof exterior walls is by adding a layer of 5/8″ drywall with Green Glue Compound in between the layers or by adding 1 LB or 2 LB mass loaded vinyl (MLV) over the existing drywall and covering that with a new layer of drywall.
How can I soundproof a backyard?
Types of Backyard Soundproofing Options Backyard soundproofing can be done by installing sound-absorbing barriers such as shrubs, fences or even water features to cover up unwanted outside noise.Sep 7, 2018
Can you soundproof a patio?
You can't really soundproof an outdoor space without turning it into an indoor space. You can reduce directional noise by planting staggered row trees between your patio and the source of the sound. For noise with a lower decibel count, using a white-noise machine is an effective and economical option.