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Crawl Space Ninja Show episodes
- Did Your Insulation Contractor BLOCK Your Soffit Vents?
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Is your attic insulation causing higher energy bills? Discover why blocking soffit vents ruins your home cooling efficiency.
Many homeowners struggle with an overheated upstairs without realizing the culprit is poor attic ventilation. This video explains how insulation contractors often inadvertently block soffit vents during installation, trapping heat and preventing your home from breathing properly. We walk through exactly what happens when these vents are obstructed and why it matters for your comfort.
You will learn how to identify if your airflow is compromised and what to look for when inspecting your attic insulation. By understanding the relationship between blown-in insulation and soffit vents, you can prevent unnecessary repairs and stop overpaying for cooling. We break down the visual signs of improper installation so you know exactly what to check after your next service.
🛠️ PRODUCTS FOR ATTICS:
• Spray Foam Kits - https://supply.crawlspaceninja.com/collections/insulation
• Attic and crawl space fans - https://supply.crawlspaceninja.com/collections/fans
• Attic Hatch cover - https://amzn.to/4nwUMtj
• Solar Attic Fan - https://amzn.to/2Le6o4U
• Radiant Barrier - https://amzn.to/4ohWfnK
• Recessed Light Cover - https://amzn.to/3ft67ch
• Flir C2 Thermal Imaging Camera: https://amzn.to/2Wc5CKO
• Smoke Pen: https://amzn.to/49bUS69
• Laser Temperature Meter: https://amzn.to/4qT34hZ
🆓 FREE Attic Air Seal & Insulate Guide:
👉 https://buymeacoffee.com/csninja/e/478323
📖 Seal First, Insulate Second:
👉 https://buymeacoffee.com/csninja/e/546355
🛒 DIY Store — Professional-Grade Materials:
👉 https://supply.crawlspaceninja.com
📞 Book a Personal Consultation with Michael:
👉 https://buymeacoffee.com/csninja
**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.
#AtticVentilation
#SoffitVents
#HotUpstairsSupport the show
Check out Michael's book, "Crawl Space Repair Myths-Busted" now available on Amazon!
Schedule a consultation: https://buymeacoffee.com/csninja/extras
Need help: https://crawlspaceninja.com or https://supply.crawlspaceninja.com10 min - Hot Bonus Room? A Mini Split May Not Be the Answer
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Is your bonus room over the garage always hot in the summer, even though your air conditioner seems to be working fine? Many homeowners are told to install a ductless mini split, but that may only treat the symptom instead of fixing the real problem. Before you spend thousands of dollars on another HVAC system, it's important to understand why bonus rooms become uncomfortable in the first place.
In this video, Michael Church from Crawl Space Ninja explains why knee walls, attic air leaks, poor insulation, leaky ductwork, and attic ventilation problems often cause bonus rooms to overheat. You'll learn when a mini split is a smart solution, when it isn't, and why fixing your attic first can improve comfort, lower energy bills, and help your HVAC system perform the way it was designed.
🛠️ PRODUCTS FOR ATTICS:
• Spray Foam Kits - https://supply.crawlspaceninja.com/collections/insulation
• Attic and crawl space fans - https://supply.crawlspaceninja.com/collections/fans
• Attic Hatch cover - https://amzn.to/4nwUMtj
• Solar Attic Fan - https://amzn.to/2Le6o4U
• Radiant Barrier - https://amzn.to/4ohWfnK
• Recessed Light Cover - https://amzn.to/3ft67ch
• Flir C2 Thermal Imaging Camera: https://amzn.to/2Wc5CKO
• Smoke Pen: https://amzn.to/49bUS69
• Laser Temperature Meter: https://amzn.to/4qT34hZ
🆓 FREE Attic Air Seal & Insulate Guide:
👉 https://buymeacoffee.com/csninja/e/478323
📖 Seal First, Insulate Second:
👉 https://buymeacoffee.com/csninja/e/546355
🛒 DIY Store — Professional-Grade Materials:
👉 https://supply.crawlspaceninja.com
📞 Book a Personal Consultation with Michael:
👉 https://buymeacoffee.com/csninja
**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.
#MiniSplit #BonusRoom #AtticInsulation #AirSealing #HotUpstairs #HomeEnergyEfficiency #HVAC #KneeWallInsulation #CrawlSpaceNinja #BuildingScienceSupport the show
Check out Michael's book, "Crawl Space Repair Myths-Busted" now available on Amazon!
Schedule a consultation: https://buymeacoffee.com/csninja/extras
Need help: https://crawlspaceninja.com or https://supply.crawlspaceninja.com12 min - Why Your Bonus Room Is Always Hot
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Is your bonus room always hot in the summer and freezing in the winter? Most homeowners are told to add more insulation, replace the windows, or install a bigger HVAC system. Unfortunately, those expensive fixes often miss the real problem.
In this video, I explain the building science behind uncomfortable bonus rooms and show you why air sealing is almost always the first step. You'll learn where conditioned air escapes, how knee walls affect comfort, and why sealing before insulating can make a dramatic difference.
In this video you'll learn:
• Why bonus rooms get so hot
• The hidden problem behind knee walls
• Why insulation alone doesn't solve it
• Common myths that waste money
• The correct order: air seal first, insulate second
If you're dealing with an uncomfortable room over your garage, this video will help you understand the real cause before spending thousands on the wrong solution.
🛠️ PRODUCTS FOR ATTICS:
• Spray Foam Kits - https://supply.crawlspaceninja.com/collections/insulation
• Attic and crawl space fans - https://supply.crawlspaceninja.com/collections/fans
• Attic Hatch cover - https://amzn.to/4nwUMtj
• Solar Attic Fan - https://amzn.to/2Le6o4U
• Radiant Barrier - https://amzn.to/4ohWfnK
• Recessed Light Cover - https://amzn.to/3ft67ch
• Flir C2 Thermal Imaging Camera: https://amzn.to/2Wc5CKO
• Smoke Pen: https://amzn.to/49bUS69
• Laser Temperature Meter: https://amzn.to/4qT34hZ
🆓 FREE Attic Air Seal & Insulate Guide:
👉 https://buymeacoffee.com/csninja/e/478323
📖 Seal First, Insulate Second:
👉 https://buymeacoffee.com/csninja/e/546355
🛒 DIY Store — Professional-Grade Materials:
👉 https://supply.crawlspaceninja.com
📞 Book a Personal Consultation with Michael:
👉 https://buymeacoffee.com/csninja
Videos:
Common Mistakes That Make Your Bonus Room TOO HOT https://youtu.be/uytb3wYmftU
Your Ducts Are Leaking and You Don't Even Know It https://youtu.be/NfTSBC46MhI
**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.
#BonusRoom #HomeInsulation #BuildingScience #EnergyEfficiency #HomePerformance #AirSealing #AtticInsulation #HVAC #HomeImprovement #crawlspaceninjaSupport the show
Check out Michael's book, "Crawl Space Repair Myths-Busted" now available on Amazon!
Schedule a consultation: https://buymeacoffee.com/csninja/extras
Need help: https://crawlspaceninja.com or https://supply.crawlspaceninja.com12 min - That New Attic Insulation? It's Probably Installed Wrong
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You can drop thousands on blown-in attic insulation and still live with drafts, a scorching second floor, and energy bills that refuse to budge. The uncomfortable truth is that insulation is not an air barrier. If air can move through your attic floor, fiberglass will not stop it, it will only hide it. We walk through the one rule that changes everything for home energy efficiency: seal first, insulate second.
We break down how the stack effect turns your house into a chimney, pushing warm air out through attic leaks in winter and pulling hot attic air down into living space in summer. Then we get specific about where those leaks actually are: top plates along every wall, recessed can lights, plumbing and wiring penetrations, attic hatches that fit like loose drywall, and even gaps around HVAC boots. We also talk about indoor air quality, because the same airflow that wastes conditioned air can drag dust and insulation particles into your home.
To prove the point, we share a blower door test case study where air leakage stayed exactly the same before and after adding insulation. That is why skipping attic air sealing can become the most expensive shortcut: fixing it later may require vacuuming out new insulation just to reach the leaks you needed to seal in the first place. We close with a simple checklist mindset: air seal, confirm attic ventilation from soffit to ridge, then insulate to the right level for your climate zone (often around R49).🆓 FREE Attic Air Seal & Insulate Guide:
👉 https://buymeacoffee.com/csninja/e/478323
📖 Seal First, Insulate Second:
👉 https://buymeacoffee.com/csninja/e/546355
🛒 DIY Store — Professional-Grade Materials:
👉 https://supply.crawlspaceninja.com
📞 Book a Personal Consultation with Michael:
👉 https://buymeacoffee.com/csninja
🛠️ PRODUCTS FOR ATTICS:
• Spray Foam Kits - https://supply.crawlspaceninja.com/collections/insulation
• Attic and crawl space fans - https://supply.crawlspaceninja.com/collections/fans
• Attic Hatch cover - https://amzn.to/4nwUMtj
• Solar Attic Fan - https://amzn.to/2Le6o4U
• Radiant Barrier - https://amzn.to/4ohWfnK
• Recessed Light Cover - https://amzn.to/3ft67ch
• Flir C2 Thermal Imaging Camera: https://amzn.to/2Wc5CKO
• Smoke Pen: https://amzn.to/49bUS69
• Laser Temperature Meter: https://amzn.to/4qT34hZ
**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.
#atticinsulation #kneewall #airsealing #homeperformance #crawlspaceninja #energyefficiency #hvac #bonusroom #buildingscience #atticSupport the show
Check out Michael's book, "Crawl Space Repair Myths-Busted" now available on Amazon!
Schedule a consultation: https://buymeacoffee.com/csninja/extras
Need help: https://crawlspaceninja.com or https://supply.crawlspaceninja.com10 min - Knee Wall Insulation: Why Finished Attic Rooms Are So Hot!
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Is your finished attic, bonus room, or room over the garage always hotter than the rest of the house in summer and colder in winter? Most homeowners assume they need a bigger HVAC system, but the real problem may be hiding behind a knee wall in the attic.
In this video, Michael Church from Crawl Space Ninja explains one of the most overlooked attic insulation and air sealing problems: open floor cavities behind knee walls. You'll learn why fiberglass insulation alone often fails, what building scientists call "wind washing," how attic air sneaks under your floor, and why many contractors miss this critical detail.
You'll also learn:
✅ What a knee wall is
✅ Why finished attic rooms are uncomfortable
✅ How open floor cavities affect HVAC performance
✅ Common ductwork problems behind knee walls
✅ The proper way to insulate and air seal a knee wall assembly
✅ Why you should check the building envelope before replacing HVAC equipment
If you're struggling with a hot upstairs room, high energy bills, or poor comfort in a finished attic space, this video may save you thousands of dollars.
🆓 FREE Attic Air Seal & Insulate Guide:
👉 https://buymeacoffee.com/csninja/e/478323
📖 Seal First, Insulate Second:
👉 https://buymeacoffee.com/csninja/e/546355
My Favorite Radiant Barrier — US Energy Products
👉 https://amzn.to/4vnRixQ
🛒 DIY Store — Professional-Grade Materials:
👉 crawlspaceninja.com/supply
📞 Book a Personal Consultation with Michael:
👉 https://buymeacoffee.com/csninjaSupport the show
Check out Michael's book, "Crawl Space Repair Myths-Busted" now available on Amazon!
Schedule a consultation: https://buymeacoffee.com/csninja/extras
Need help: https://crawlspaceninja.com or https://supply.crawlspaceninja.com8 min - Attic Ventilation Explained: Soffit Vents, Ridge Vents, and Why Your Attic Still Gets Hot
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Is your attic hot even though you have ridge vents, soffit vents, or even a powered attic fan? You're not alone. Many homeowners spend thousands on attic ventilation upgrades and still end up with high energy bills, uncomfortable rooms, and overheating HVAC systems.
In this video, I explain how attic ventilation actually works, why balanced airflow matters, and the biggest mistakes I see during attic inspections. You'll learn the difference between soffit vents, ridge vents, gable vents, and powered attic fans—and why more ventilation is not always better.
Most importantly, I'll show you why ventilation is only one part of the equation and why air sealing should always come before insulation and ventilation.
In this video you'll learn:
✅ Why attics get hot
✅ How soffit vents and ridge vents work together
✅ Why gable vents can create airflow problems
✅ When attic fans help—and when they hurt
✅ Why air sealing is more important than most homeowners realize
✅ The "Seal First, Insulate Second, Ventilate Third" approach
🆓 FREE Attic Air Seal & Insulate Guide:
👉 https://buymeacoffee.com/csninja/e/478323
📖 Seal First, Insulate Second:
👉 https://buymeacoffee.com/csninja/e/546355
My Favorite Radiant Barrier — US Energy Products
👉 https://amzn.to/4vnRixQ
🛒 DIY Store — Professional-Grade Materials:
👉 crawlspaceninja.com/supply
📞 Book a Personal Consultation with Michael:
👉 https://buymeacoffee.com/csninjaSupport the show
Check out Michael's book, "Crawl Space Repair Myths-Busted" now available on Amazon!
Schedule a consultation: https://buymeacoffee.com/csninja/extras
Need help: https://crawlspaceninja.com or https://supply.crawlspaceninja.com12 min - Radiant Barrier, Will It Fix a Hot Upstairs Room?
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Radiant barrier can help with a hot upstairs room — but only if the right things are already in place underneath it. In this video, I break down exactly what radiant barrier does, what it does not fix, and why installing it before air sealing, duct sealing, and proper insulation is one of the most common and costly mistakes homeowners make.
I also cover the one situation where radiant barrier makes the most sense — and when the timing actually works in your favor.
If your upstairs is hot and you are trying to figure out what to do first, watch this before you spend a dime.
🆓 FREE Attic Air Seal & Insulate Guide:
👉 https://buymeacoffee.com/csninja/e/478323
My Favorite Radiant Barrier — US Energy Products
👉 https://amzn.to/4vnRixQ
🛒 DIY Store — Professional-Grade Materials:
👉 crawlspaceninja.com/supply
📞 Book a Personal Consultation with Michael:
👉 buymeacoffee.com/csninja
Watch Next:
▶ Why Your Upstairs Is Hot Even With Good AC — [https://youtu.be/KrxE31tAHcY]
▶ Drafts Ruining Your Home? Seal These 4 Critical Attic Spots — [https://youtu.be/pMaEryXCsl0]
▶ How to Seal Attic Ductwork the Right Way — [https://youtu.be/NfTSBC46MhI]
Join our Ninja membership to get early access to all our content: https://www.youtube.com/channel/UCIdzZrKCdyNf1Oh1cGjSYnA/join
20% OFF DIY Products Code: "youtube" Use at https://supply.crawlspaceninja.com
10% OFF DIY Mold Testing: https://fas.st/t/8cfyT8P3
**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.
#RadiantBarrier #HotUpstairs #AtticInsulation #CrawlSpaceNinja #MichaelChurch #HomeImprovement #DIYAttic #AirSealing #BuildingScience #IndoorAirQualitySupport the show
Check out Michael's book, "Crawl Space Repair Myths-Busted" now available on Amazon!
Schedule a consultation: https://buymeacoffee.com/csninja/extras
Need help: https://crawlspaceninja.com or https://supply.crawlspaceninja.com13 min - Why Your Upstairs Is Hot Even With Good AC
Send us Fan Mail
Is your upstairs always hot even when your AC is running? You're not imagining it — and your AC probably isn't broken. In this video, Crawl Space Ninja founder Michael Church explains the five real reasons your second floor stays hot all summer long, and exactly what to do about each one.
We cover attic heat and radiant heat transfer, air sealing and the stack effect, leaky ductwork running through hot attics, poor attic ventilation, and HVAC airflow imbalance in two-story homes. If you've been blaming your AC, this video will change how you think about your whole house.
🆓 FREE Attic Air Seal & Insulate Guide:
👉 https://buymeacoffee.com/csninja/e/478323
🛒 DIY Store — Professional-Grade Materials:
👉 crawlspaceninja.com/supply
📞 Book a Personal Consultation with Michael:
👉 buymeacoffee.com/csninjaSupport the show
Check out Michael's book, "Crawl Space Repair Myths-Busted" now available on Amazon!
Schedule a consultation: https://buymeacoffee.com/csninja/extras
Need help: https://crawlspaceninja.com or https://supply.crawlspaceninja.com13 min - The Biggest Crawl Space Lie Homeowners Still Believe
Send us Fan Mail
Crawl space vents don't dry out your crawl space — they make it worse. In this video, Crawl Space Ninja founder Michael Church explains why open crawl space vents cause mold, wood rot, and poor indoor air quality in your home. Learn the building science behind crawl space moisture, the stack effect, and the simple 3-step fix to seal your crawl space the right way.
🆓 Free Guide — Is Your Crawl Space Making Your Family Sick? The 4-Stage Warning Sign Checklist:
👉 buymeacoffee.com/csninja/e/521376
📚 Get complete guidance in my Gold Award Winning Book "Crawl Space Repair Myths Busted" (https://amzn.to/3llnB1m)
Schedule a consultation, get a Crawl Space Inspection Sheet and more: https://buymeacoffee.com/csninja/extras
Join our Ninja membership to get early access to all our content: https://www.youtube.com/channel/UCIdzZrKCdyNf1Oh1cGjSYnA/join
20% OFF DIY Products Code: "youtube" Use at https://supply.crawlspaceninja.com
10% OFF DIY Mold Testing: https://fas.st/t/8cfyT8P3
**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.
#crawlspaceninja #CrawlSpaceNinja #IndoorAirQuality #HomeImprovement #BuildingScience #MoldPrevention #CrawlSpaceMoisture #DIY #HomeRepair #HealthyHomeSupport the show
Check out Michael's book, "Crawl Space Repair Myths-Busted" now available on Amazon!
Schedule a consultation: https://buymeacoffee.com/csninja/extras
Need help: https://crawlspaceninja.com or https://supply.crawlspaceninja.com7 min - Never Use 6 Mil Vapor Barrier in Crawl Space (Here's Why It Fails)
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If a contractor tells you 6 mil plastic is good enough for your crawl space vapor barrier, they're either lying or don't know what they're talking about. In this video, I'll show you exactly why 6 mil vapor barriers fail, what it's costing you, and what you should use instead.
📚 Get complete guidance in my Gold Award Winning Book "Crawl Space Repair Myths Busted" (https://amzn.to/3llnB1m)
📥 Download our Crawl Space Inspection Checklist:
https://buymeacoffee.com/csninja/extras
Join our Ninja membership to get early access to all our content: https://www.youtube.com/channel/UCIdzZrKCdyNf1Oh1cGjSYnA/join
Get a Free Estimate: https://crawlspaceninja.com/estimate
20% OFF DIY Products Code: "youtube"
Use at 🛠️ DIY CRAWL SPACE SUPPLIES:
👉 https://supply.crawlspaceninja.com
10% OFF DIY Mold Testing: https://fas.st/t/8cfyT8P3
⚠️ THE 4 MAJOR PROBLEMS WITH 6 MIL VAPOR BARRIERS:
1️⃣ TOO THIN - Tears easily with foot traffic, HVAC contractors, plumbers, and electricians going through your crawl space. 70-80% are damaged within 2 years.
2️⃣ PEST DAMAGE - Rodents, mice, rats, and possums tear through 6 mil plastic like tissue paper. They live underneath it, creating moisture, odors, and serious health hazards.
3️⃣ POOR SEALING - Most contractors just overlap the seams without taping. Moisture vapor still gets through unsealed seams, making it almost completely ineffective.
4️⃣ MOISTURE FAILURE - 6 mil is designed for vapor, not standing water. After heavy rains, it floats around, exposing dirt and allowing moisture to evaporate into your floor joists, causing mold and wood rot.
💰 HIDDEN COSTS OF 6 MIL PLASTIC (10-Year Total):
• Replacement every 2-3 years: $1,500-$3,000
• Increased energy bills: $3,600-$9,000
• Mold remediation: $3,000-$15,000
• Pest control & cleanup: $500-$3,000
• Structural repairs: $5,000-$25,000
• Insulation replacement: $2,000-$5,000
TOTAL: $15,000-$50,000+
Compare that to a proper 12 mil encapsulation system: $4,000-$8,000 upfront, lasts 20-25 years with minimal maintenance. That's only $300/year vs $667/year+ for 6 mil.
✅ WHAT YOU SHOULD USE INSTEAD:
• 12 mil solid vapor barrier OR 12 mil woven vapor barrier
• Proper vapor barrier seam tape (not duct tape)
• Mechanical fasteners (Christmas tree fasteners or Hilti nails)
• Double-sided butyl tape for wall attachment
• Crawl space dehumidifier (essential - plastic alone isn't enough)
**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.
#CrawlSpaceNinja #BasementNinja #CrawlSpace #VaporBarrier #CrawlSpaceEncapsulation #HomeImprovement #DIY #BasementWaterproofing #MoldPrevention #IndoorAirQuality #HomeRepair #CrawlSpaceNinja #6MilVaporBarrier #12MilVaporBarrier #MoistureControl #Dehumidifier #HomeInspection #RealEstate #HealthyHome #BuildingScienceSupport the show
Check out Michael's book, "Crawl Space Repair Myths-Busted" now available on Amazon!
Schedule a consultation: https://buymeacoffee.com/csninja/extras
Need help: https://crawlspaceninja.com or https://supply.crawlspaceninja.com25 min
About Crawl Space Ninja Show
From the publisher's feed
Welcome to the Crawl Space Ninja Show with Michael Church, where we break down the real fixes that make your home healthier. Each episode covers practical, proven ways to improve indoor air quality…
by addressing the attic, basement, and crawl space — the hidden areas that control how your whole home feels and functions.