Engineered Lumber Floors

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Framing Floors With I-Joists

A Cape Cod builder tells how to frame flat, squeak-free floors with wood I-joists. More

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Wood I-Joist Do's and Don'ts

Wood I-joists differ structurally from solid wood, and so do the rules for cutting, supporting, and fastening them. A manufacturer’s field rep tells how to avoid common I-joist framing mistakes. More

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Practical Engineering: Wood I-Joist Fundamentals

How an I-joist works More

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A Flush-Framed Floor to Maximize Space

How replacing a dropped beam and brick pier with steel beams and microlams helped... More

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Framing Over a Complex Foundation, Part II

This follow-up article to "Mudsill Layout for a Complex Foundation" describes... More

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Mudsill Layout for a Complex Foundation

How to lay out a mudsill on a stepped foundation with multiple jogs to ensure a... More

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Engineered Lumber Floors Instruction

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Square Holes in I Joists?

Tim Uhler asks, Is it okay to cut a 13-inch high by 9-inch wide rectangular hole... More

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Flush-Framed Floor Joists

Install joists higher than the girder to accommodate shrinkage. More

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Is There a Fix for Bouncy I-Joists?

If the I-joists are sized and installed properly, the best cure might be adding... More

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Exposed I-Joists

Q: A client has asked me to build a practical outbuilding with a wood floor system. For simplicity's sake, I'd like to place it on a Sonotube foundation and use continuous-span wood I-joists. The bottom of the I-joists will be about 16 to 24 inches off the ground, and the perimeter joists will be completely protected from the weather by the siding and water table. Is it okay to use I-joists in this situation? More

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Can a Structural Insulated Panel Delaminate?

Just how reliable is the bond between the OSB skin and the EPS (expanded... More

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