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Framing, straight from the jobsite.

How-to guides on the parts that trip people up, written by a working framer and paired with a free calculator so you can run your own numbers.

July 8, 2026 · 4 min read · Header calculator
How to size a header for a window or door

A framer's rules of thumb for sizing headers over openings: span-to-size, ply and width, king and jack studs, and when to call the engineer.