Crawlspace Condensation

Crawlspace Condensation – Sweating Ducts, Pipes, and Insulation

Condensation on ductwork, pipes, insulation, wood framing, and the walls is a common problem in a vented crawlspace.  Condensation occurs when humid, summer air is vented into the cooler air of the crawlspace.  This cooler air cannot hold this excessive humidity, so it gives up its moisture in the form of a liquid on all of the cooler surfaces of the crawlspace (ducts, pipes, etc.).  The condensation might seem harmless, but it can wreak havoc on your home.  Condensation plays a role in:

  • Making a conducive environment for mold growth on the wood framing
  • Deterioration of the wood framing from dry rot. Dry Rot needs 28% moisture content in wood
  • Rust in the heating and cooling ducts which leads to air leakage in the crawl and energy loss
  • Corrosion of electrical, cable, Ethernet, and phone lines
  • Attracting wood destroying insects such as termites & carpenter ants
  • Causing fiberglass insulation to fall and mold

Crawlspace condensation is actually an easy problem to solve.  Since the foundation vents are causing the condensation problem, we need to seal the vents.  In order to seal the vents, an encapsulation system must be installed to seal ground and foundation moisture from evaporating into the crawlspace atmosphere.  After encapsulation, a crawlspace dehumidifier can aid in removing any leftover moisture in the air.  Give us a Call Today to schedule your Free Estimate. 1-877-409-2837



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