Wall Sheathing Options - GreenBuildingAdvisor
2015年11月20日 · For the past 30 years, the majority of new homes in the U.S. have been built with wood-framed walls sheathed with oriented strand board (OSB). Most builders are so comfortable with OSB wall sheathing that they never consider using an alternative material. In fact, a wide range of materials can be used to sheathe a wood-framed wall. In addition to …
Building Walls Without Sheathing - GreenBuildingAdvisor
2021年12月27日 · I'm only partially old school. When I helped in AK, Thorsten had the interior wall as load bearing and that had the sheathing. Gussets held on the exterior wall which had the membrane. As we had moisture readings, it proved the cellulose was never harmed and certainly not the interior warm plywood sheathing. Sud walls inside could be left empty.
Plywood versus OSB for exterior walls? - GreenBuildingAdvisor
2010年3月21日 · Now, my architect has chosen this for the exterior: 3 coats portland cement plaster (stucco), metal lath, 2 layers of 60 minute grade D building paper, 1/2″ external grade plywood sheathing (specified no OSB) applied horizontally with 1/8″ minimum space between adjoining sheets, wood stud framing (2×4 and 2×6).
Tongue-and-groove plywood wall sheathing?
2019年2月20日 · The exterior grade plywood and OSB sold for sheathing already is 1/8" short of 8 ft. It's typically only cabinet grade sheets that are full, or oversized. There is some case for using t&g as roof sheathing (although even at 24"oc. 1/2" can be used without H-clips), but there are no lateral p0int loads on walls, so there is really no advantage.
How to Install Rigid Foam Sheathing - GreenBuildingAdvisor
2011年9月30日 · I've come up with two ideas: (1) Build the walls of the first floor a few inches in from the outer edge of the band board then bring the exterior foam down to the flooring so that the outside of the foam aligns with the outside of the band board; or (2) build the basement concrete block walls with exterior buttresses (see the illustrations at ...
Plywood sheathing over rigid foam - GreenBuildingAdvisor
2017年10月18日 · My plan is to also cut the bottom 3-4in of foam at the sill plate and replace it with (2) 3/4in thick strips of pressure treated plywood to create a 1.5in ledge for the osb or plywood to sit on before securing it over the rigid foam. I also read on here and plan to use headlok fasteners to secure the wood sheathing.
How much of a gap should I allow in exterior plywood sheathing …
2017年6月25日 · Much of the diagonal sheathing is still intact and in good shape, but for the master addition that is replacing an old 1960s add on, and for the garage (new slab on grade), we will be using plywood sheathing and Tyvek CommercialWrap D house wrap. The walls will be insulated with NuWool cellulose, and the siding will be Hardie Board.
Airtight Wall and Roof Sheathing - GreenBuildingAdvisor
2010年4月9日 · 2. Although you write, "If the insulation is placed on the outside, the coldest part of the wall is where it contacts the insulation," the opposite is true. Consider a 2x4 wall, sheathed on the exterior with plywood. The stud bays are empty, and 6 inches of rigid foam is installed on the outside of the plywood sheathing.
Choosing an Air Barrier and a Housewrap - GreenBuildingAdvisor
2019年7月8日 · In the midst of framing his new house, Joe Norm has switched gears and opted out of Zip System sheathing in favor of CDX plywood. The question he faces now is how he should air seal the exterior side of the walls—tape the seams between sheets of plywood, or tape the seams of the water-resistive barrier (WRB) he installs over the sheathing?
Need advice on outside insulation under new vinyl siding
2014年12月10日 · Hi, intending to re-side house with vinyl. 2x4 walls w/plastic under sheetrock and batt fiberglass in walls. Plywood sheathing on exterior. Worried about leaks and trapping moisture. High wind/rain (coastal) area, zone 5 (CT). After stripping existing failing siding, plan to Tyvek house and flash well. Current siding provides R4 (plastic coated fiberglass impregnated …