Crawl Space & Basement FAQ: Mold, Air Sealing, Insulation & Odor Fixes

In this Crawl Space and Basement FAQ, I answer real homeowner questions about mold removal, air sealing, insulation, and solving musty odor problems. Whether you’re working on a DIY encapsulation or hiring a pro, this video covers practical tips to improve your indoor air quality, energy efficiency, and home comfort.

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Topics Covered:
Mold removal coverage and choosing between Crawl Space Mold Remover vs. YCS Mold & Mildew Cleaner
Best air sealing methods for old plank subfloors (1x8 boards)
Using Bora-Care after mold remediation—when and why
How deep to dig perimeter drains without undermining your foundation footing
Should you seal HVAC vents blowing into the crawl space?
How to handle pest problems during crawl space work
Rim joist insulation and how it affects the stack effect
Dry crawl spaces in low-humidity climates (like Colorado)—do you still need a dehumidifier or sump pit?
Butyl vs. flashing tape for vapor barrier seams
Bora-Care safety for homes with pets
Homeowner success stories after encapsulation and dehumidification
Ducting dehumidifiers for better crawl space air distribution
What type of insulation to use on crawl space walls
Eliminating musty crawl space odors that rise into the living space

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At Crawl Space Ninja, we’re here to help homeowners take control of their crawl spaces, basements, and indoor air quality. Our videos are packed with expert advice, how-to guides, and product recommendations on:

✅ Crawl Space Encapsulation
✅ Basement Waterproofing
✅ Foundation Repair
✅ Mold Remediation
✅ Indoor Air Quality
✅ Air Purification
✅ Dehumidifiers & Ventilation
✅ DIY Tips & Professional Insights

Whether you're a DIYer or just want to better understand what’s under your home, our mission is to educate and empower you to protect your home and your health.

*Contact Us:*
Website: (https://CrawlSpaceNinja.com/)
Schedule Free Inspection: (865) 659-0390
DIY Store: (https://supply.crawlspaceninja.com)
DIY Store Phone: (865) 321-9314

*Disclaimer:* This information is for educational purposes only. Consult professionals for specific advice. Some links may be affiliate links, which means we may earn a small commission at no extra cost to you.
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0:00 Live Stream Kickoff & Storm Check-In
1:26 DIY Mold Cleaners: Coverage & When to Use
5:22 New Dehumidifier Launch & Budget Options
6:47 Air Sealing Old Plank Floors: Methods That Work
10:22 Bora-Care, Mold Care, and Wood Health
12:09 Perimeter Drains Near Footings: Risk & Practice
14:16 Don’t Condition Crawlspaces with HVAC Supply
18:39 Pests in Crawlspaces: Moisture-First Strategy
20:29 Rim Joist Air Sealing to Cut Stack Effect
22:43 Dry Climates, Sump Pumps, and RH Spikes
25:32 Butyl vs Flashing Tape: Hands-Free Hanging
26:55 How Safe is Bora-Care? Read the SDS
30:05 Distributing Dry Air to Dead Zones
32:50 Wall Insulation Choices & Code Nuance
34:54 Mold Awareness Month & Store Promotions
36:24 Musty Odors After Encapsulation: Root Causes
41:02 Closing Notes, Resources, and How to Get Help