How To Insulate Finished Walls. Measure the distance between studs. Retrofit wall insulation is a debatable subject because there is no single right answer for all homes and homeowners.
No matter how well you insulate your basement if a serious and existing moisture issue continues you may find yourself starting this whole process over again.
Because it's the most commonly used, the following steps outline how to hang drywall. A single layer wall of 1/2 or 5/8 drywall is the easiest, fastest and most economical way to. There are a ton of insulation options out there but roxul insulation was my choice for our master bathroom remodel. Insulating basements walls isn't that difficult once you understand a few basic concepts.