Does slab on grade need to have in floor heating?
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Does slab on grade need to have in floor heating?
Lauren Panzani
Nov. 13, 2020Last updated: Nov. 16, 2020
We are building a house and debating on slab on grade vs crawl space. It will be a 4 season house/camp that we will live in for a few years while we build our house next door. Own two properties next to each other. Will slab on grade be a problem without in floor heating? We will just be putting a Woodstove in and don't want in floor heating but I'm concerned with moisture from the slab and having flooring over the concrete causing mould issues.
A polished concrete slab on grade, or any basement concrete floor, will feel cooler to the touch than wood or other flooring materials, due to the conductivity of concrete. This is a simple fact of physics. Enough sub-slab insulation can be added so that it is possible to feel comfortable, but awood floor or other flooring materials on top of concrete would definetely feel warmer. You can learn more here about the ways in which your personal comfort is affected in your home whether you realize it or not –
How to Design a Home for Thermal Comfort
你经常会看到被动式住宅项目不把辐射热量放在地板上，但它们总是包含大量的隔热材料，在10 -12 +英寸的泡沫。就我个人而言，我不会做没有加热的厚地板，我不喜欢脚冷。所以，如果你是，在地板上放一些pex管道可能是值得考虑的(这可能是几百美元，取决于地板的大小)，这样你就能“容光焕发”，至少在天气太冷的情况下是这样。至于把木头或其他材料放在上面，这不是问题，只要你在下面有防潮层，并在这样做之前让它干燥。所以在辐射热的情况下，你可以通过运行加热器来加速固化，然后做一个湿度测试。这很简单，只要把塑料片粘在平板上的某个地方，给它一两天，看看塑料片下面是否有水珠形成，然后你就知道它是干的，这时候把木头放上去应该是安全的，不会发霉。如果你不加热地板，它将需要更长的时间完全干燥，只是从一个木材炉子氛围加热。And as for deciding between a slab on grade and a crawlspace, have a read here for some things worth considering -
Slab on Grade or Crawlspace - Which is Better?