Should Crawl Space Vents Be Open or Closed? Start With the Type of Crawl Space
Learn when crawl space vents belong open or closed, why summer air can cause condensation, and what must change before converting to a sealed crawl space.
Read articleHUMAN UNDERGROUND / THE BLOG
Moisture, ground covers, insulation and the space beneath the floor.

10 articles
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Learn when crawl space vents belong open or closed, why summer air can cause condensation, and what must change before converting to a sealed crawl space.
Read articleCompare crawl space vapor barriers by coverage, sealed seams, edge details, puncture resistance and access, and learn what a thicker liner cannot fix.
Read articleUnderstand how crawl space encapsulation, drainage and waterproofing differ, so you can match liners, insulation and drying equipment to the actual water source.
Read articleCompare dedicated dehumidification and conditioned-air approaches for an encapsulated crawl space, including drainage, HVAC seasons and combustion checks.
Read articleLearn why mold, staining and wood decay require different checks in a crawl space, and how moisture correction, cleanup and framing assessment fit together.
Read articleCoordinate crawl space liners and insulation with termite inspection access, so an encapsulation detail does not hide the areas your pest provider needs to see.
Read articleFind crawl space door and penetration gaps that admit rodents or water while keeping the opening serviceable and preserving required vent or flood functions.
Read articleChoose the crawl space thermal boundary before replacing insulation: compare floor and wall approaches, equipment protection, air sealing and flood exposure.
Read articleEncapsulating a crawl space controls moisture, but radon needs its own testing and mitigation plan. Learn what a liner, sump and suction system each do.
Read articleA crawl-space-to-basement conversion depends on more than excavation depth. Evaluate support, water, access, utilities, radon and useful finished dimensions.
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