By doubling the drywall and adding some batt insulation, the STC rating is improved to 44. These measures minimize splashback. OSB vs. Fiberboard Structural Sheathing. Be sure to use a moisture barrier. When you say "worth the downsides" are you referring to advanced framing? If I'm not mistaken, vapor permeability relies on tiny holes -- too small for water to pass but allowing water vapor to pass. … If your OSB panels are used indoors, an acrylic latex primer will be an ideal base coat because it's so easy to work with. Thread starter snowroski; Start date Feb 27, 2015; S. snowroski Registered User. Both projects that I describe worked -- the builders just had to wrestle the bellies back in place. For most U.S. locations, however, there isn't any need to specify pressure-treated wood for framing or sheathing. Will do How to Hang OSB Board Properly OSB Panels for Exterior Walls. Kevin, Yes, you absolutely can. One other approach that some people use is to install two layers of furring to create the rainscreen: first horizontal furring (a layer that addresses the bellying problem) followed by vertical furring. No one has yet invented the perfect sheathing material. 68 F for most center of room walls So your point is that a vapor permeable membrane would be safer since now we have exterior drying potential. ), For a fuller explanation of these issues, see this article: "Payback Calculations for Energy-Efficiency Improvements.". The use of OSB for interior wall surfaces is a non-standard practice and maybe in violation of some building codes. As far as I can tell, Ken, from your web site (where your company, 475 High Performance Building Products, sells Gutex sheathing), Gutex must be ordered by the pallet (bundles of 28 or 54 pieces). Three nails per board into the studs. Advantech is another Huber OSB product--but unlike regular OSB it doesn't swell when it gets wet--waterproof glue is used. End of suggested clip. Cellulose DOA? 1st floor boards: 60 F Insulating sheathing comes in various R-values. On a double-stud wall, the diagonals can be in the space between the two walls, which is a little simpler than doing "let-in" bracing. Wall sheathing Direction 0 Items. The house needs to breathe on both sides. Use 3/4" fiberboard? I share my hard-learned lessons so that you can save time and money by not repeating my mistakes. ...Or just run away and keep running? Response to A. Lange For further discussion of this topic, see Comment #17, below.]. Read on to learn why using OSB on your interior walls is safe and won’t compromise your house’s integrity. You can check your local building code, but I tell the volunteers to stretch their thumb an little finger as far as they can, then put nails that far apart in every stud. I am not sure if I will easily find contractors who do exterior insulation all that well. I think that step is expensive and unnecessary in most cases, but if you want a very good air barrier and a very good WRB, you can use Ice & Water Shield (or a similar peel-and-stick product) in that location if you want. And my rarely used 3rd floor is not heated. Textured Wall Panels. I wouldn't hesitate to use OSB for roof and wall sheathing. 35k strip stucco and replace with board and batten siding. Here's what you can do -- if you can (a) afford it, and (b) want to proceed: 1. First floor is uncomfortably cold even when the thermo says 70, and 2nd floor is uncomfortably warm at 72-73. Martin: I’m trying to get a blower door test setup in the next few weeks. Simply put, you need a vapor barrier that allows the interiors of your house to dry as much as possible without compromising the winter performance. Martin, Oriented Strand Board Exterior Wall Sheathing (OSB) Oriented strand board, or OSB, is a popular and frequently used sheathing material. Before we compare different sheathing materials, we need to clear up a common misconception. View Tallwall Product Details » QuakeZone Precision End Trimmed (PET) wall sheathing is precut for the way you frame, allowing you to build faster and increase productivity.

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