New construction wall choice in Zone 6B
我正在蒙大拿州设计一所房子，我会疯狂地试图找出最好的墙类型。最大的问题是，我的母亲（房子是为谁）死于Vennerstone的石材饰面产品，即使是标准的壁板和干燥的气候，我也看到了该地区很多木质腐烂（我曾经安装Internet对于人们来说，我已经看到了很多爬行空间）。我们不会下雨，但冬季确实会得到大量的降雪和零度的温度，夏季100度以上，一年四季闻所未闻的大风（50-60英里 /小时）。
After doing a ton of research I came up with this:
6” stick frame with standard R-19 Batts
DensGlass护套（我喜欢避免使用OSB的想法，这更便宜，但是我担心墙壁的刚性
房屋包裹
2倍1英寸XPS刚性泡沫板的层
某种排水层
self-毛茸茸金属板条和一些非常强大的紧固件可以通过2英寸的泡沫
砂浆刮擦外套
石材贴面
Pros:
High R-value
缺点：
许多层将带来与人工一起增加成本并安装时间
我读过DensGlass不如OSB强大，因此可能不会像刚性一样保持房屋，这可能是我们倾向于获得的大风的问题
让承包商做CI可能很难。这里周围的住宅建筑是Stick Frame和Tyvek，就是这样。
制造商的文档说½” Max可能会与泡沫2英寸的泡沫持有2英寸的贴面饰物有问题
在查看了CI和WRB的额外成本和安装时间之后，我认为最好选择ICF。
ICF
WRB
self-毛茸茸带标准紧固件的金属板条
砂浆刮擦外套
石材贴面
Pros:
Solid and rigid
Much simpler and easier to put up
Nothing to rot
抗火力和白蚁
缺点：
除非我们使用额外的泡沫面板（如Logix D-RV），否则可能会有较低的R值。
ICF +额外的绝缘 +石材贴面将使墙壁构成令人难以置信的厚墙
I could only find a handful of contractors in the state
I am really leaning towards ICF, but I keep coming up with conflicting information regarding R-values, drain layers, average cost, and everything. Any advice would be greatly appreciated.
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答复
R19s are practically "genuine imitation insulation" when applied to wall cavities. Installed perfectly they perform no better than R18 when compressed to 5.5" in a 2x6 cavity, and are such low density that any air leaks move air easily through the insulation. R20 mid-density batts are better, R21 fiberglass or R23 rock wool MUCH better.
XPS is the least green insulating material in common use due to it's HFC blowing agents (powerful green house gases). As the blowing agents diffuse out over time performance eventually drops to R4.2/inch (the same as EPS of similar density) even though it's warranteed to "90% of labeled R value". So at 2" the most should be counting on is R9, which is not sufficient for dew point control on R19 fiberglass (or R23 rock wool) in US climate zone 6B, which means it would need an interior side vapor retarder to keep the Densglass or cold side of the batts from accumulating frost/moisture over a winter. For R20 batts the IRC calls out a minimum of R11.25 on the exterior for dew point control using standard latex paint as the interior side vapor retarder.
使用3英寸1.5磅密度（又名“ II型”）EPS，以更加良性的戊烷吹来，几十年来稳定的性能将在第一天和现在从现在起50年提供R12.6，这足够了高密度玻璃纤维或岩石羊毛板的露点控制。
使用“再生屋面polyiso 3(非常便宜的,when/where it's available) would deliver about R15 performance in that stackup. Using reclaimed 1.25lb density roofing EPS (Type VIII) would deliver R12.5, which is plenty for R21 fiberglass, marginal for R23 rock wool in the colder parts of zone 6B, but fine on the warmer parts.
当然，从石材贴面供应商的1/2”的角度来看，3“没有比2”。供应商是否在ICF上安装它？外部，因此在脉络悬挂在泡沫上时的扎带/衣架上是相同的力矩武器问题。
我在某个地方读到，当Polyiso变冷时，Polyiso会降低其R值，因此对于较冷的气候来说并不是那么好，但我会进一步研究它，但衣架仍然是一个问题。ICF的好处是，您实际拧紧的网络绑带距离外表仅约1/2-1”。
Also any suggestions on where to look for reclaimed roofing polyiso?
山姆，
There is nothing wrong with using any of the fiberglass mat gypsum sheathing products (ie Densglass) in structural application, just have to follow the fastener schedule.
在这个低成本高R值墙的论坛上，已经进行了许多讨论。如果您要为人工付费，则几乎是2x8，带有巴特的2x8或带有绝缘护套的2x6（即ZIPR）。
As for veneer, the usual problem is the WRB. Lot of installs skimp on this or don't detail the window/door ares well thus the water and rot issues. I see a lot of installs over bare plywood around here, that is asking for trouble.
ICF通常是对棍子建造的巨大的收费。在龙卷风地区可能是值得的，否则它是一堵墙，不预先使用良好的能量使用（热量在错误的位置）。
The WRB is what worries me the most, as I need to be very careful to make sure the right stuff goes on or the contractors will throw it on the bare plywood. Any suggestions on WRB products?
The cost of ICF is what leads me to most of the conflicting information I come across. The only price comparisons I can find are ICF vs basic stick framing with no mention of CI, that that is definitely more expensive, but some sources claim that after time labor costs are factored in they come out pretty close with ICF maybe a couple dollars a foot more. After adding in the CI then ICF might be about the same price, but, i admit, this is a guess coming from the information I gathered. Do you have any data or sources breaking down the costs between the two?
山姆，
The insulated sheathing products with built in WRB or densglass with roll on WRB is harder to mess up. If you are going with stone veneer, spec paper backed metal lath for extra insurance.
If ICF was cheap, you would see it in track homes. Forms are expensive, concrete is expensive (also a very high embodied energy building material), people that know how to build with it are harder to find. Also with ICF you need to put drywall on the basement even if you don't intend to finish it (at least around here).
你好山姆 -
我认为您有这个，但就densglas护套的剪切强度而言：https://www.icc-es.org/wp-content/uploads/report-directory/ESR-3087.pdf。
除WRB外，任何应用的砌体覆层的关键要素是粘结断裂层。请参阅Vennerstone在木材框架/护套上的安装：http://www.veneerstone.biz/images/pdf/installbrochurets_br002v4.pdf。
在我看来，几乎不可能比较不同建筑封闭系统的成本，这在很大程度上是因为工人对不同系统的熟悉程度如此巨大，并且使不同系统的安装质量也是比较的关键。结果。
我要求查看本地ICF和框架承包商正在建设的项目，这样您就可以感觉到哪些是在他们的工作人员之上以及质量控制的感觉。
Peter