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Minimize excess moisture for a healthier home

Minimize excess moisture for a healthier home

Target moisture to protect your home from deterioration, mold, and air quality problems.

Keeping moisture out of a home reduces the chance for structural deterioration, mold growth, and air quality problems. Bolster your home’s moisture resistance with these tips.

Identify red flags

According to Phillip Carter, urban regional extension agent, common signs of unwanted moisture include:

  • Excessive, continuous condensation around windows
  • Musty smells
  • Standing water, especially under the home and around the foundation
  • Surface discoloration and stains
  • Mold
  • A higher-than-usual water bill from unseen plumbing leaks
  • Decaying wood and other materials throughout your home
  • Flooding events, such as bursting pipes or excessive rain, that release large volumes of water into or outside your home

Be on the lookout

Make regular home moisture inspections a priority. “It’s important to inspect more around walls, on the roof, under sinks, near water lines, and so forth,” says Carter. “A lot of the problems I see maybe hidden leaks and by the time people notice them, they have a real mold problem.” Smart home systems also offer automatic water detection features.

Control humidity

Your home’s relative humidity should be roughly 30-50%, says Carter, who recommends buying an inexpensive hygrometer to keep tabs on your home’s humidity levels. Some tips to combat humidity: Run a dehumidifier, decorate with moisture-absorbing houseplants and set your air conditioner’s fan to automatic.

Right-size your air conditioner

All too often, people invest in oversized units, says Carter. “And that’s not good, especially in the South, because it doesn’t run long enough to remove enough moisture from the inside air and can cause tiny water droplets to collect on surfaces,” he adds. Also, keep your unit’s condensate drainage line to the outside clean and clear of debris. “Keep plants and shrubs trimmed several feet back to ensure good airflow,” says Carter.

Monitor drainage

Your gutters and downspouts should drain away from your house. “Water should never linger near your home’s foundation,” says Carter. Carter recommends checking your gutters every two weeks for leaves, acorns and pine needles. “Take a leaf blower and water hose with a strong jet to remove trapped debris,” he says.


Proper circulation prevents warm, moist air from condensing on cooler surfaces through evaporation. Carter recommends these ventilation best practices:

  • Ventilate your attic and crawl spaces
  • Vent all interior exhaust fans to the outside
  • Run bathroom ventilation fans while showering and for 5 to 10 minutes after showering
  • Install louvered doors or louvered devices installed into walls to provide air circulation for small rooms and closets
  • Use ceiling fans
  • Open doors and windows when possible

Beef up barriers

Carter recommends boosting your wall and attic insulation based on your climate. (Find your recommended level of insulation from EnergyStar.gov.) “This way you don’t have a huge temperature contrast,” says Carter. He also recommends adding a 6-8 millimeter-thick vapor barrier under your house to keep vapor from going up through your flooring.

If you suspect that you have mold or water damage, and you live in Southern California, do not hesitate to call our team of qualified experts today. 949-877-9697 Our services include Mold Testing & Remediation, Water & Flood RestorationFire & Smoke Restoration, Contents Cleaning, Odor and Sewage Removal, Roof Tarping, Rebuild and more!

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