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  1. #11
    Join Date
    Dec 2012

    Default Re: 2x4 walls and no insulation any suggestions?

    OK so I was wrong on the levels of crap I need to remove. Wallpaper on top of wallpaper on top of the thick mystery material then ship lap on exterior walls of the room. Interior walls of the room are the same except instead of the mystery material there is the gauze stuff over the shiplap.

  2. #12
    Join Date
    Dec 2007

    Default Re: 2x4 walls and no insulation any suggestions?

    You have what is called a "balloon frame" house. Now that you have opened up the wall, you have essentially opened a can of worms so to speak. To comply with modern codes, and for your own safety, you should put in fire blocking between each floor. Without this fire blocking, if a fire were to get started in this house, the wall cavities would act like chimneys spreading the fire very quickly.

    The last TOH project house was a balloon framed house. You can view selected episodes on this web site to see how they tackled it. Your biggest problem here is that modern dimensional lumber is smaller that the dimensional lumber used in your house, so every piece of blocking will have to be custom ripped to width as well as cut to length.

    For batt insulation, I would suggest that you get the 24" batts and cut them to size using a chef's knife. Try one of those ceramic knives you see advertised on TV, you can get them at Walmart now. I learned the hard way not to use one of those to cut Brownies up into squares in a Pyrex baking dish, they cut right into the glass, so they should be good at cutting insulation. A steel knife has a very hard time cutting glass.

    Use the left over strips for cavities around window and door frames and/or in the attic.
    Last edited by keith3267; 02-03-2013 at 12:58 PM.

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