Domain: tiger-web1.srvr.media3.us existing Exterior wall insulation | Home & Garden
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existing Exterior wall insulation

Posted on 10/2/23 at 6:07 am
Posted by fofuh4
btr
Member since Aug 2022
141 posts
Posted on 10/2/23 at 6:07 am
we bought an older house built around 1947. I am going to be adding insulation to my exterior walls, as they currently are uninsulated and we can hear a ton of outside noise. my options:
1) cut out sheet rock middle of wall and place batt insulation and then replace/ repair/ and repaint
2) Blow in Insulation

I am leaning towards option 1, and am trying to decide If I want fiberglass or mineral wool. but I could use some feedback.

Posted by Loup
Ferriday
Member since Apr 2019
16104 posts
Posted on 10/2/23 at 7:32 am to
I don't know anything about price or quality but I've seen these guys advertising lately RetroFoam

Apparently they can inject expanding foam in to the cavities with minimal damage to drywall or siding.
Posted by fofuh4
btr
Member since Aug 2022
141 posts
Posted on 10/2/23 at 2:39 pm to
I saw some of their ads, Theyd have to remove brick and nonsense. I think Id rather just patch whatever holes in drywall and then Paint
Posted by modes
Member since May 2017
278 posts
Posted on 10/3/23 at 9:23 am to
We have a house around the same age. Previous owner had someone fill the cavities with blow-in insulation. From the looks of it, they could core out a 2" hole in the siding between each stud cavity and blow up the the cavity til it was full. I assume they did the patch on the siding afterwards?

No mess inside. I'm sure the insulation has settled some since then, but no issues with sound transfer.
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