Where to Look for Mold in Your House and How to Prevent it

Written by

Dumitru Nicolaescu

Updated:

January 8, 2025

What is mold and what causes mold in a house

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Where to check for mold in your basement

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Near the sump pump

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Near the foundation leak

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Check for mold on pipes

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Check near windows and vents

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How to prevent mold in the basement

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Preventive Measure	Details
Address water infiltration	• Repair foundation cracks • Install a reliable sump pump system
Manage outdoor water	• Keep gutters and downspouts clear • Direct water away from the home's foundation
Control humidity	• Use a dehumidifier to keep levels below 50% • Crucial in Chicago's humid climate
Improve air circulation	• Open windows on dry days • Install fans if necessary
Apply waterproof sealants	• Treat basement walls and floors for extra moisture barrier
Use proper storage methods	• Avoid cardboard boxes on the floor • Use plastic storage containers
Maintain HVAC system	• Regularly inspect and clean • Pay special attention to basement vents
Monitor and control temperature	• Keep basement temperature consistent • Prevents condensation during seasonal changes
Conduct regular inspections	• Check for signs of moisture or mold • Address issues immediately

Where to check for mold in the bathroom

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Bathroom sink

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Toilet

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Toilet bowl

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Toilet tank

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Mold in the Shower and bathtub

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Mold on shower curtains

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Mold on shower liner

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Mold on the bathroom floor, walls, and ceiling

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How to prevent mold in the bathroom

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Area	Prevention Tips
Shower	• Use a squeegee after each use • Keep shower door open to air out • Clean regularly with mold-inhibiting cleaner
Shower curtain	• Choose mildew-resistant curtains • Spread out after use to dry • Wash regularly in hot water
Shower curtain liner	• Use a mildew-resistant plastic liner • Spray with vinegar solution weekly • Replace every 3-6 months
Hot tub cover	• Clean and dry cover after each use • Use a mildew-resistant cover • Store in a dry place when not in use
Toilet bowl	• Clean weekly with a toilet brush and cleaner • Keep lid closed when flushing • Fix any leaks promptly
Bathroom ceiling	• Ensure proper ventilation with the exhaust fan • Paint with mold-resistant paint • Check for and repair any roof leaks
Bathroom walls	• Use mold-resistant paint or primer • Wipe down after showers • Repair any cracks or water damage quickly
Bathroom floor	• Use bath mats to absorb excess water • Clean and dry the floor regularly • Ensure proper sealing around the toilet base

Where to check for mold in Your Bedroom

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Mold on mattress

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Mold in the closet

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How to prevent mold in the Bedroom

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How to prevent mold on a mattress

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How to prevent mold in the closet

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Where to check for mold in the living room

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Mold in fireplace and chimney

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Mold on the couch

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Mold on the curtains

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How to prevent mold in your living room

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Where to check for mold in the attic

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How to prevent mold in the attic

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Prevention Method	Details
Control moisture	Install a vapor barrier over the soil
Ventilation	Ensure proper ventilation or consider encapsulation
Fix leaks	Address any plumbing leaks promptly
Dehumidify	Use a dehumidifier to keep humidity below 50%
Insulate	Insulate pipes and ductwork to prevent condensation
Proper grading	Grade soil around the foundation to direct water away
Maintain gutters	Regularly inspect and clean gutters and downspouts

Where to check for mold in the crawl space

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Prevention Method	Details
Control moisture	Install a vapor barrier over the soil
Ventilation	Ensure proper ventilation or consider encapsulation
Fix leaks	Address any plumbing leaks promptly
Dehumidify	Use a dehumidifier to keep humidity below 50%
Insulate	Insulate pipes and ductwork to prevent condensation
Proper grading	Grade soil around the foundation to direct water away
Maintain gutters	Regularly inspect and clean gutters and downspouts

How to prevent mold in the crawl space

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How much mold in the crawl space is acceptable

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Where to check for mold in the garage

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How to prevent mold in the garage

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When to Call a Professional for Mold Issues

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The mold covers a large area (more than 10 square feet)
You suspect mold in your HVAC system
The mold growth is due to contaminated water (e.g., sewage)
You have health concerns or smell mold but can't find the source
You have underlying health conditions that may be exacerbated by mold exposure
The mold returns after repeated cleaning attempts
There's structural damage to your home

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Conclusion

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Schedule a free mold inspection
Get expert advice tailored to your home's needs
Learn about our mold prevention and remediation services

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Mold Removal

Home

Common Places for Mold in Homes and How to Prevent it

What is mold and what causes mold in a house

Where to check for mold in your basement

Near the sump pump

Near the foundation leak

Check for mold on pipes

Check near windows and vents

How to prevent mold in the basement

Where to check for mold in the bathroom

Bathroom sink

Toilet

Toilet bowl

Toilet tank

Mold in the Shower and bathtub

Mold on shower curtains

Mold on shower liner

Mold on the bathroom floor, walls, and ceiling

How to prevent mold in the bathroom

Where to check for mold in Your Bedroom

Mold on mattress

Mold in the closet

How to prevent mold in the Bedroom

How to prevent mold on a mattress

How to prevent mold in the closet

Where to check for mold in the living room

Mold in fireplace and chimney

Mold on the couch

Mold on the curtains

How to prevent mold in your living room

Where to check for mold in the attic

How to prevent mold in the attic

Where to check for mold in the crawl space

How to prevent mold in the crawl space

How much mold in the crawl space is acceptable

Where to check for mold in the garage

How to prevent mold in the garage

When to Call a Professional for Mold Issues

Conclusion

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