Crawlspace Moisture — Vapour Barrier & Drainage Issues
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Common Water Issue in BC

Crawlspace Moisture — Vapour Barrier & Drainage Issues

Moisture in crawlspaces is common in BC homes. Proper vapour barriers and drainage are essential to prevent mould and structural damage.

Possible Causes

  • Missing or damaged vapour barrier on crawlspace floor
  • Groundwater entry through crawlspace walls or floor
  • Plumbing leaks in pipes running through crawlspace
  • Inadequate crawlspace ventilation
  • HVAC condensation drainage into crawlspace

Recommended Steps

  • 1Check vapour barrier condition — repair or replace if damaged
  • 2Ensure crawlspace vents are open and unobstructed in summer
  • 3Check for standing water or wet soil after rain
  • 4Inspect all pipes in crawlspace for leaks or condensation
  • 5Call professional crawlspace moisture assessment for persistent issues

Need Professional Help?

Don't let a small leak become a big problem. Contact LeakInspections.ca — a division of Anyleak.ca and Leak.ca — for expert diagnosis.