Window in crawl space?
So my initial thoughts are no, because I feel like there are too many opportunities for air to leak around them. However, I thought I’d ask the community in case I’m over-reacting. Basically, due to the building site, we chose to pour our foundation. They’ve done a great job with it too. The back side is much higher than the front, so they are “daylighting” the back. In other words, the back is 4 ft high along the living space section compared to the back of the garage wall which is just over 9 ft. The 5 ft will be made up in wood framing. The crawl space will be tall along the back side and likely at regular ceiling height. We’re putting gravel in it to level the back half so that the space will be someone usable for storage. With the wood framing portion, it’s also tempting to put one or two fixed windows in there to allow some natural day light in. It might not make for much use at first, but if we decide to pour a pad in there, it would make for a neat and small shop area (or other space if the wife decides :)) However, we’re encapsulating the crawl space, which means it’s very import to either, or both, effectively insulate the foundation walls (whether concrete portion or wood framing) and flooring from underneath. I fear this could compromise this and have the potential for air to leak through. We do want this to be a tight house and are even sealing the sill plate, etc, to help ensure this. So am I not thinking about this right? Or is placing a small fixed window or two really of no consequence?
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