★ Featuredconstruction7 min
How to Cut Rafters: Step-by-Step Guide for Beginners
Learn rafter cutting from start to finish, tools, layout, plumb cuts, birdsmouth, and how to get accurate results the first time.
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Roof Framing
Knowledge Base
Practical guides on rafter cutting, birdsmouth cuts, lumber sizing, and building codes, every article ties back to IRC R802.
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construction7 min
Roof Pitch Explained: What Each Pitch Means for Your Build
Understand roof pitch ratios, how they affect rafter length and material costs, and which pitch is right for your climate and budget.
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construction7 min
Birdsmouth Cut on Rafters: What It Is and How to Make It
A clear guide to the birdsmouth cut, what it is, IRC R802.7.1 HAP limits, how to mark it accurately, and mistakes to avoid.
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construction6 min
Rafters vs. Trusses: Which Is Right for Your Roof?
Compare stick-framed rafters and pre-engineered trusses on cost, attic space, DIY-ability, and build speed to choose the right system.
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construction6 min
Roof Framing Cost Breakdown: What to Expect in 2026
Real 2026 numbers for roof framing costs, labor rates, lumber prices, truss vs rafter comparisons, and how to get an accurate quote.
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construction5 min
How to Choose the Right Rafter Lumber Size
Pick the wrong rafter size and you'll fail inspection or end up with a saggy roof. Here's how to read span tables and choose 2×6, 2×8, 2×10, or 2×12 rafters for your project.
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construction5 min
5 Common Rafter Calculation Mistakes (And How to Avoid Them)
Small errors in rafter math cost time, lumber, and sometimes a failed inspection. These are the 5 mistakes framers make most often, and exactly how to fix them.
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construction4 min
IRC Roof Framing Requirements Every Builder Should Know
Key IRC 2021 Section R802 requirements for roof framing: bearing, birdsmouth limits, collar ties, notching rules, and what inspectors actually check.
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construction4 min
DIY Roof Framing: What's Realistic and What to Leave to a Pro
Two experienced DIYers can frame a 24×32 garage roof in 1–2 days. Here's what skills you actually need, where to hire out, and how much you'll save.
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construction5 min
Hip Roof Framing Basics: Valley, Hip, and Jack Rafters Explained
Hip roofs need three rafter types: common, hip, and jack. Here's how each works, how hip rafter length is calculated, and when hip roofs make sense.
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