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If you can insulate the walls without a "material that envelops the the conductors", then sure. But I would think that wouldn't be a very well insulated wall. Knob and Tube wiring is meant to have an area of free air about it. Insulation encroaching on this space could cause the wiring to overheat. National Electrical Code 2014 Chapter 3 Wiring ...


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The answer changes depending on location. Because of a complete lack of actual fire incidents, four Western USA States: CA, OR, WA and ID petitioned for an exception to NEC 394.12 and permit insulating over Knob & Tube Wiring. In some places you must first file a Knob-and-Tube Wiring Safety Report, and everywhere else it's a good idea. It is a ...


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I think I've answered my own question: I'm going to do the footing insulation first. This will increase the effective thickness of the footings and result in a metal flashing plate over the footing foam at the bottom of the existing walls (for drainage and termite control/visibility). I can use that for the wall project by resting the wall's new foam ...


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That is an expansion joint you are seeing. The material is 1/2" thick and something close to old style Celotex or beaverboard really soaked in asphalt or tar. It isn't much of a thermal break, but it is better than the masonry surfaces touching. Although it is available wider, it is usually only 4" tall. Either a bearing surface or gravel is below the 4" ...


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Attic ventilation is very important so make sure you pull away the insulation from the soffits. Purchase a small rake, a respirator and some quality gloves and do it before it’s the summer and the attic is now 40 degrees hotter than today. Depending on the climate zone, soffits are an important piece on attic ventilation. They reduce the chance of ice ...


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Not knowing what you have for head space under this mobile home and what the moisture/humidity levels are, makes a difference. Let us assume, for the purpose of answering the construction questions that the space is tall enough and dry enough to use as a functional space. Notice that I did not say living space. Most codes would require minimum ceiling ...


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I see a window in the wall there. If you're going to insulate your bedroom, put double or even triple paned glass in there if it's possible. You wouldn't believe how much heat leaves your home through windows. Anecdote warning: 2 years ago, I replaced my own bedroom windows by double paned glass. Before that, i had to set my electric heater to blow during ...


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This is hard to do and I agree that there is a big range of cost between basic insulated sealed units and some of the high performance glass units which can be triple the cost. Here in Canada when we install a commercial glass project we are required to provide warranty documentation from the glass supplier which shows the makeup of the sealed units ( glass ...



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