Space / Discussions

Should you allow air flow through a crawl space with a dirt floor?

...spaces and how they are best insulated and kept dry. Crawl Space Insulation Tips for Insulating Crawlspaces Properly So a few questions – is it now just flat ground under the cabin? If not, now deep is it?  How much space between the dirt and the bottom of the floor joists? Is it now just uninsulated walls made of plyw...

Posted by Amber Murray Aug. 17, 2020 Crawl spaces 3 responses

Is it ok to add insulation between joists in a crawl space?

...space.  This is in Colorado, dry climate, cold winters.  The walls of the crawlspace are insulated and the dirt floor is sealed with a vapor barrior, but my indoor floors felt cold this last winter, making my whole living space cold.   Would it be ok to add insulation between the floor joists?  Over or under pipes?  I ...

Posted by Cheryl Bottomley May 11, 2020 Crawl spaces

In the winter should you heat a low/dirt floor crawl space with a furnace vent?

...space and plumbing under the home, would heating the part of the plumbing area cause any mold or other problems in the winter? No, its quite the contrary. Heating a crawlspace will prevent mold. But heating a dirt floor crawlspace without taking any steps towards insulating the crawlspace and creating an air seal is go...

Posted by janis hobson Dec. 11, 2019 Crawl spaces 1 response

Can you provide Crawlspace Insulation Design Assistance?

...space, one is to isolate it from the conditioned space of the home (insulating the floor joists as you suggest and keeping it cold) or insulating the dirt floor, and keeping the crawlspace warm so it becomes part of the conditioned space. Have you already found pages about crawlspace repair on our site? if not, start w...

Posted by Randy Christensen Dec. 10, 2019 Crawl spaces 1 response