Latest posts
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Where Should the Vapor Barrier Go in a Manufactured Home? It Depends on Your Climate
The vapor barrier goes on the warm side of the insulation — but “warm side” flips completely depending on where you live. That one sentence explains why so…
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Moisture Problems Under a Mobile Home: Skirting, Ventilation and Vapor Barriers
Under a mobile home, ground moisture doesn’t just sit there — it moves upward, and almost nothing stops it unless you’ve set up the right system. That’s the…
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Why Mobile Homes Get Moldy Faster Than Site-Built Houses
A mobile home can develop visible mold colonies within 72 hours of a moisture event — a leaking roof, a condensation spike, a plumbing drip — while a…
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Is Mold Worse at Night? And What Time of Year Is Mold Risk Highest?
Mold doesn’t actually “activate” at night — it grows whenever conditions are right, around the clock, without any awareness of the clock on your wall. The real reason…
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At What Humidity Does Mold Grow? Full Threshold Guide (30–80% RH)
60% relative humidity is the number you’ll see cited everywhere — but mold doesn’t actually wait for you to hit that threshold before it starts growing. The real…
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Basement Wall Insulation and Vapor Barriers: What Goes Where
Here’s what most guides get completely backward: they treat basement wall insulation like it’s the same problem as attic insulation, just pointed sideways. It isn’t. In an attic,…
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6 Mil Vapor Barrier: Is Thicker Always Better for Crawl Spaces?
Here’s the thing most people get wrong about crawl space vapor barriers: they obsess over thickness when the real problem is usually installation. A perfectly installed 6 mil…
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What Is a Vapor Barrier? Where You Need One and Where You Don’t
Here’s what most articles about vapor barriers get completely wrong: they treat it like a single product with a single job. You’ll read that a vapor barrier “stops…
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French Drain Cost: Interior vs Exterior Installation Prices
Here’s what most people get wrong about french drain cost: they compare interior and exterior prices as if the two systems are solving the same problem. They’re not.…
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What Is a French Drain in a Basement and How Does It Stop Water?
Here’s what most people get wrong about a French drain in a basement: they think it removes water that’s already gotten in. It doesn’t — not exactly. A…
