Home improvement
10 guides in this category.
Attic Ventilation Requirements by House Size: A Complete Guide
Find out exactly how much attic ventilation your home needs based on square footage, with real NFA calculations for common house sizes.
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Ridge Vent vs Gable Vent: Which Is Better for Your Home?
Compare ridge vents and gable vents side by side, covering NFA ratings, installation costs, and which exhaust type actually works best for your roof style.
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Attic Ventilation Cost in 2026: Full Installation Breakdown
Get real 2026 pricing for attic ventilation installation, by vent type, house size, and DIY vs. pro, so you can budget before calling a contractor.
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7 Signs Your Attic Has Poor Ventilation (And What to Do)
Ice dams, mold, and sky-high cooling bills are all warning signs. Learn the 7 clear indicators your attic ventilation is failing and how to fix it.
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IRC Attic Ventilation Code: R806.2 Requirements Explained
IRC Section R806.2 sets the minimum attic ventilation standard for U.S. homes. Here's what the code requires, how to calculate it, and what the exceptions are.
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How to Size Soffit Vents: Step-by-Step for Homeowners
Size soffit vents correctly using IRC R806.2, covering real NFA ratings, a worked 2,100 sq ft example, and step-by-step measurement tips.
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Attic Ventilation in Summer vs Winter: What Changes?
Your attic ventilation system does two very different jobs depending on the season. Here's how it works in summer heat and winter cold, and what to optimize for both.
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DIY vs Professional Attic Ventilation: What to Know Before You Start
Some attic ventilation work is DIY-friendly. Other jobs aren't. Here's how to tell the difference, what it costs, and when to call a professional roofer.
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Net Free Area in Attic Vents: What NFA Means and Why It Matters
NFA (net free area) is the actual airflow opening in your attic vents, not the gross hole size. Learn what it means, how it's rated, and why it's the only number that matters.
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8 Common Attic Ventilation Mistakes (And How to Avoid Them)
Most attic ventilation problems trace back to 8 preventable mistakes. Learn what they are, what damage they cause, and exactly how to fix each one.
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