Podcast 451: Finishing a Wet Basement, Ground-Source Heat Pumps, and Basement Garages
安德鲁(Andrew),基利(Kiley)和帕特里克(Patrick)听取了听众在工作中的供应链和音乐的消息,然后提出有关完成湿地下室,地下室源热泵和吱吱作响的地板的问题。
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Doug is surprised that we don’t know about hydro-air systems. Mike says better code enforcement will lead to better HVAC systems. Joey asks if he should vent under his asphalt shingles. Doug wonders why builders aren’t putting vapor retarders under foundation footings. Mark wants to know if whole-house fans are a good idea. Jesse needs a separation between his primary bath and bedroom.
编辑更新:
- 伊恩框架,电箱,服务升级100-200AMP分类工具
- 基利的园艺工具,更多砾石
- 杰夫的lawn
- 帕特里克的Makita battery-powered lawnmower
相关链接:
听众反馈1:
Johnwrites:Dear Podcast, I have not written in a while. With much humility and all due respect let me offer this feedback on the supply chain issues.
I make no bones that I am not professional contractor, architect etc. I do have some professional experience in replenishment and forecasting.
今天听播客的话,当大家都试图解决这个问题时,很多次都会提出,但也许不是那么成功。您可以很好地完成细节,但一定是全局。
I would recommend to your easily distractible listeners a book. The Goal, by Eliyahu M. Goldratt.
我相信作者是贸易的物理学家,但使用所谓的约束理论对制造业进行了批评。
TOC put simply, is finding the one thing in your entire process that is constraining your entire output.
这本书以小说的形式,但他优雅的环境技术hor is that of Scouts on a hike where they all have to make a destination and the rule is everyone has to keep their place in line.
If the slowest person is at the front of the line, it slows the entire line down. While this was being applied to manufacturing, it is the same pretty much anywhere else. In supply chain the product you are making is a delivery.
We have spent 40 years tuning supply chains to get to all of this Just in Time nirvana, as an industry an enormous amount of cooperation was required to achieve the state it was in at the end of 2019.
问uite suddenly it was every man (or woman) for themselves. Suddenly rather than optimizing the entire system. Like with lumber, from the forest to the mill to the distribution tiers etc. Everyone is making decisions to benefit their particular situation.
While there is a lot upward price pressure the system has actually held up quite well.
我没有神奇的答案。播客给出了他们如何处理这一问题的良好观点。
In my experience when our 30-person group was experiencing lower service levels and management would tell us to buy more, we would buy less, because when the inventory came in they would be say, Why the heck to do have all of this stuff? At which point we would buy more. Without making this too lengthy, what Dr Deming would say is that sub optimums do not optimize a system.
如果你的丰田和wh的控制一切方面at goes in to a car (and with the chip shortage even they are struggling) it is easier to keep the factory running. It seems from listening to your show there is nothing controlling any of the supply chain from end to end. And what many academic papers have shown is that small disruptions at one point in the chain are amplified throughout the supply chain.
保持出色的内容。我们正在努力在橡树公园的房屋中提高效率。热泵是一个热门话题。谁曾想到?
Thanks, and have nice weekend.
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听众反馈2:
Steve writes:Hi guys – Here’s a non-air sealing, non-tape strength topic:
As a little kid, I remember the record player in my dad’s workshop (old country, like Porter Wagener or Ernest Tubb, or bluegrass. Later, in high school, we did a complete gut/rebuild and my class schedule allowed me to work with the crews 3 hours a day. First digging and schlepping materials, taking down brick chimneys, salvaging lumber, etc., but later on installing fire blocking and decks, and finally laying hardwood floors. They always had music going, usually country or bluegrass (we lived in Cincinnati) unless the guy who called himself Fern wasn’t there, then it was classic rock. One carpenter worked on Saturdays and he listened to the local classical station.
当我住在芝加哥时,通常会有音乐从工作地点出来,通常是波兰人或墨西哥人。这些天,我很少听到密歇根州的Worksite上的音乐。
Is there something going on? Maybe as the music landscape has fragmented, crews can’t decide on a station that everyone will agree to? Maybe there are more mistakes if there is music interfering with communication? Is it less safe?
Curious about your thoughts.
听众反馈3:
里克·哈拉希尔(Rick Harrahill),电工大师,,,,writes:FHB播客成员,在Episode 447,,,,there was some discussion regarding the height of electrical outlets from the finished floor. While it is true that there is no minimum or maximum height (as long as it is not a GFCI or other protective device), the NEC Handbook Appendix J has some helpful information regarding design considerations for American Disabilities Act (ADA) Standards. This Appendix is strictly for Information Use Only (not a requirement), but it does recommend outlet and switch box heights of greater than 15” and less than 48″ from the finished floor in order to make it easier for someone in a wheelchair to reasonably be able to plug in something or turn on the lights…etc.
话虽这么说,如果房主希望他们的插座放置相对较低的位置,例如在地板上3'的装饰片中,那很可能是我安装它们的地方。但是,如果对他们后来对他们的生活变得重要,我会将ADA的建议引起他们的注意。
您有一个很好的播客,我非常喜欢听你的话。感谢您为所有熟练交易所做的事情。
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问uestion 1: Should I fill basement slab cracks with crack filler during slab prep?
卢卡斯写道:Hello and thank you for your great podcast!
If you are not completely bored with yet another question about basements and water!!! I am in need of some advice. I’m pretty much in the camp that basements (at least basements in 100-year-old houses) should not be finished. But, covid… rambunctious noisy kids… my wife… etc. and now I am going to finish the basement. I’ve watched a bunch of your videos and read your articles on this, but as with all projects there are always constraints and nuances!
THE CHALLENGES:
– water (no surprise there). water visibly leaks through the walls after a good rain (you can audibly hear a trickling sound!) and the slab cracks get dark with moisture (but no water visible). the sumps work hard!
- 天花板高度很低(那里也不足为奇)。因此,需要谨慎添加太多高度到地板。
CURRENT STATE: We have an interior perimeter drain and sumps, with about 4 inches of dimple mat tucked into the concrete to take the wall water into the drain. On the walls is a vapor barrier that goes from the floor up to grade (about 5′).
CURRENT PLAN – SLAB:
– clean cement floor
– prime (something like MAPEI EcoPrim Grip)
– apply a leveler (something like MAPEI Leveler)
– lay down dimple mat (something like Delta FL) and tape seams
– lay down 1/2 plywood
– not sure if I will do vinyl plank or carpet or click tiles (maybe depends on how level it is)
当前计划 - 墙:
- 用墙壁上的Dimple Mat代替现有的蒸气屏障
- 将2英寸刚性泡沫添加到墙壁上的墙壁上的墙壁和托梁腔中
- 使用未处理的螺柱在胶合板地板顶部的墙壁框架
– drywall on the studs
问UESTIONS:
– How’s this plan above sound? Would you do anything different?
- 在平板准备期间,我应该用裂纹填充物填充平板裂纹吗?他们只能潮湿,没有可见的水。
– Would you also go with the Mapei product set, or a different approach? The whole basement is sloped to a central floor drain (which i will continue to use), and there are many bumps and valleys. So the leveling cement is hopefully going to just smooth things out a bit for the flooring (not totally level the floor).
– Should I bother replacing vapor barrier with dimple mat? I’m worried about mold under the vapor barrier. The walls leak a fair amount of water. Also, shouldn’t the rigid foam be tight on the wall for best insulation? So, should I do dimple mat OR foam, but not both?
- 有没有更好的方法来做地下?我担心增加高度。上面的方法添加了约3/4英寸(Dimple + 1/2“ Ply),但可以使用1/2英寸的刚性泡沫 + 1/2胶合板…但是,这可能没有足够的空间让我的空间让事情变得干燥之前水分击中未处理的胶合板……我认为建议的1英寸刚性泡沫 + 2层1英寸胶合板会增加高度。
– Any other thoughts / considerations?
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问uestion 2: What are the pros and cons of a geothermal heating and cooling system vs. solar?
来自Whidbey Island的Kyle搬到堪萨斯州Topeka的写道:Hello FHB Podcast, We are in the early stages of planning our new home build in NE Kansas. We have a 5-acre parcel (roughly 650’x350’). We are looking into the options of having either a geothermal heating and cooling system or the option of solar. In this area these options are not common place, as most homes are powered by NG/propane furnace/water heater and electric AC. We get all seasons, hot summers and cold winters. Most of my research in geothermal turns up older articles while most things seem to be shifting to solar. In my preliminary research with a local Geothermal and HVAC contractor. For our 2000 sq ft main floor home with full basement, the cost for a conventional HVAC system would be $12-13k. While the cost for a equivalent geothermal system would be $32k before a 27% tax credit. That price is inclusive of labor, equipment, drilling the 4 200-300’ deep wells. So roughly $10k more than the conventional system. This seems like an acceptable cost increase if geothermal is a better option. A few years ago, we got a quote to add a PV option to our old house and the estimate was $60k which was way more than we would ever spend in our market. Any info/articles/opinions are welcome.
Thanks, Kyle
This is a great question Kyle and thank you for listening. How much total SF are we talking about? What are your goals for the build with regard to windows and envelope? Do you have plans yet?
感谢您的回复。我们尚未设计计划,但正在想我们想尝试建立一个非常现代的家similar in style to this。We are thinking around 2000 sq ft on the main floor with a full 9’ walled basement. We will finish part of the basement maybe 1000 sq ft, leaving the rest unfinished for a gym and storage area.
We would love to build a high performance home but our budget($550k) won’t allow that. I have sent the recent article,建造一个零能量的房屋,对我们的建筑商而言,因为他们以前从未真正建立过这样的构建。我们不希望有被动的房屋或其他任何东西,而是想要一个建造/高效的房屋。他们愿意尝试其中一些方法,但我们会看到。我们希望在接下来的几周内启动我们的计划。
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问uestion 3: Should I build a basement garage?
纽约州普斯滕基尔的克里斯写道:Hey Guys, I’m building a new home in upstate NY just outside of Albany. I’ve been devouring your shows so thank you soooo much.
Here is my question…
我正在考虑一个地下室车库,原因有几个:
– I feel the design of the house would look far better without a garage.
– I think I could get more space for less money.
– I have a 1.5-acre lot and a smaller house footprint would work better.
– Shorter, less steep driveway.
- 车库不会阻碍视图
- 车库在冬季将保持温暖,夏季将保持凉爽。
The only downside I can think of is carrying stuff up the stairs. I feel exercise is good but I could also put in a dumbwaiter.
Thanks for your feedback.
ALSO: I have a Tesla and am a little nervous about charging it in the basement. Out of 2 million sold, there was one fire in CA that burned down the house. I am researching this topic using data from NHTSA. My theory is that the cause was the age of the car and the owner charging it to 100%. If the car is newer than 2015 and you set the charge limit to 90%, I believe the risk is extremely low or zero. I will let you know when I finalize my research. I will also be researching fireproofing for peace of mind.
Related links:
- Conditioned House Meets Unconditioned Garage, Part I
- Conditioned House Meets Unconditioned Garage, Part II
问uestion 4: How should I fasten a new 1/4” layer of plywood on my squeaky floor?
Chris in Fort Wayne, IN writes:Hello FHB podcast team! I purchased my house at auction just under two years ago. I’ve been redoing everything since. The house is larger than we need so I finished the necessary rooms and have two rooms upstairs that remain gutted. As a remodeling contractor I have seen a lot but I have a new one on this house. Every square foot of the house seems to have some sort of squeak in the floor. As I began remodeling it was easy to see the culprit. They had nailed down 5/8” plywood for their subfloor, then (after the walls were built) laid 1/4” plywood over it and nailed it on top. I can take guesses as to why they may have used two layers like this (maybe it didn’t pass inspection and this was a remedy, maybe 5/8” showed up instead of 3/4” and this was the solution) but at any rate the confusing part is that they used L-cleat nails to fasten all of the 1/4” plywood to the 5/8”. Have you ever seen this? Neither layer is glued. (Built in 60’s so glue wasn’t in practice). My first solution was to tediously find each squeak, find the closest joist and screw down. I had gotten 95% of the squeaks out with this method. But as we were living there more squeaks developed furthering my frustration. So, on the unfinished rooms I decided to pull up that 1/4” layer on top. I found the majority of the squeaks were from the nails fastening the 5/8” plywood. Joists were easy to find so I screwed about every 6” along every single joist. RIP my hands and knees and the big box of screws I went through.
Anyway, here’s my question… how would you go about fastening the new 1/4” layer down? Should I glue and staple? Try to find smaller screws to just fasten to the now overly fastened under layer? Or try to fasten directly to the joists with longer screws? My nervousness is that only being 1/4” thick it’s easy to over fasten and create the potential for more squeaks! Ahhh! Haha
Thanks for reading my long email. I love listening to the podcast as I’m working around the house. Keep up the good work.
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This episode of the Fine Homebuilding podcast is brought to you by Bilco。
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The show is driven by our listeners, so please subscribe and rate us oniTunesorGoogle Play,,,,and if you have any questions you would like us to dig into for a future show, shoot an email our way:[email protected]。Also, be sure to follow亚搏手机版官方登录网站on Instagram, and “like” us onFacebook。Note that you can watch the show above, or on YouTube at theFine Homebuilding YouTube Channel。
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