Crawlspaces

Major Mold Mitigation
Fixing a house with a small, unsealed crawlspace and a mold problem is complicated, but it can be done.
FHB Podcast Segment: Is There a ‘Right’ Spot for a Vapor Retarder in this Climate Zone?
Who knows where the vapor barrier goes?
Podcast Episode 649: Sealing Crawlspaces, Problem Porches, and AC in Attics
The crew talks about trade work, deck longevity, sealing crawlspaces, overhanging floors, and AC ductwork.
Envelope Vs. Enclosure?
The building enclosure includes four control layers, which may be separate or close together depending on the assembly.
9 More Building Science Mistakes to Avoid
From not venting your bathroom to not venting your siding, understanding how things go wrong is the first step to getting them right.
Codes for Crawlspaces
A variety of codes exist across the International Residential Code (IRC) that address crawlspaces differently from basements, but what actually distinguishes the two?
Protect Foundation Foam
A great choice for exterior foam on foundations is a borate-treated expanded polystyrene (EPS) that performs at a similar R-value to extruded polystyrene (XPS) but is much less environmentally unfriendly.
Will Insulating a Crawlspace Save Me Money?
A crawlspace doesn't have to be the exact same temperature as the rest of the home. Instead, focus on controlling moisture accumulation.
Does Foam Insulation Keep CMUs From Drying?
Insulating concrete-block walls can keep a basement or crawlspace dry, but does preventing inward drying harm the concrete?
Crawlspaces That Work
To avoid moisture problems, either seal and condition your crawlspace or isolate the space from the rest of the house.

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