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I keep seeing your question has not been answered. I do not build in the type of climate you describe but here are my thoughts: Do not trap moisture within the wall/ceiling structure- so one side only. Keep moisture from entering - barrier on room side of wall only. Around here I have had inspectors insist on removing moisture board on ceilings - they have ...


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Of course you should. Then be sure you have or put you in a fart fan to remove the moisture and humidity from the restroom. Make sure the fart fan is vented thru the roof and not into your attic or soffit vents.


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Do not rule out any roof leaks that may be letting moisture into the attic. Check around where you see the mold to make sure there are no areas where rain can get under the shingles or around flashings. It is mostly due to poor attic ventilation where the is a temperature difference between the attic and outdoors. Good attic insulation will help keep your ...


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The best solution would be to fill the 2x4 cavities with foam. This could be done either by filling each cavity from the top or by removing the siding. You have to be careful to use the correct foam (non-expanding) if you are going to fill the wall cavity without removing the siding. There are many companies that sell non-expanding foam kits and here's a ...


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Provided you don't have knob-and-tube wiring, this one is easy. Remove the vinyl siding, cut holes through the EPS foam and the sheathing at the top of each stud bay, and inject dense-packed cellulose into the empty stud bays. Should be pretty cheap and help a ton. I wouldn't use retrofit-style non-expanding foam. It'll be more expensive, highly flammable, ...


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If you're going to rip off the siding, then insulate from the outside. If it were my house, I would remove the clapboard and sheathing, then spray in expanding foam. Follow the recommendation of the foam insulation manufacturer for how to finish the outside before you install your vinyl siding. Another good alternative is to blow in loose insulation. Since ...


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I called USG,the maker of Durock cement board Next Gen, and they advised using no vapor barrier so that the wall cavity can breath and allow any moisture to evaporate. Their online instructions/diagrams show no use of a vapor barrier.



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