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Showing 1-15 of 66 results for Q%26A
Pre-Drywall Moisture Meter Check

Knowing the moisture content of your framing might wreak havoc on your... Read more

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Modified vs. Unmodified Thinset

Q: What is the difference between modified and unmodified thinset, and... Read more

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Q&A: EPDM Over OSB

Q: Does EPDM roofing always need to be installed over polyisocyanurate insulation, or can it be installed directly over OSB? Read more

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Q&A: Hot-Mopping Health Risks

Q: I received the new JLC book "Tiling for Contractors," by Michael... Read more

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Cutting Metal Roofing

What tool works best? Read more

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Q&A: Long-Span Floor Joists

Q. Would floor trusses or wood I-joists be stronger over a 26-foot span? Read more

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Q&A: Fire Ratings for Engineered Lumber

Q: Do laminated veneer lumber (LVL) and wood I-beams have a lower fire rating than conventional wood framing members? If so, have the model codes addressed this? Read more

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Q&A: Installing Fiberglass Batts

Q: What happens to the R-value when you stuff R-19 insulation into a 2x4 stud cavity? Read more

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Q&A: Fall Protection Criteria

Q: Your May 2001 article "Fall Protection Update" says that OSHA Standard 29 CFR 1926 requires fall protection for anyone working above 6 feet. Here in Washington state, I understand that the... Read more

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Q&A: Drooling Drip-Edge

Q. Most of the houses we build have 12/12 roofs with plumb fascias. Even... Read more

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Q&A: What’s the Dewpoint?

Q: When people refer to the dewpoint in a wall assembly, are they... Read more

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Painting Cedar Shutters

Q. What's the best way to prep and paint new cedar shutters? Read more

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Plywood vs. OSB I-Joists

Q. Do any I-joist manufacturers still use plywood webs? At my local lumberyard, I was told that manufacturers switched from plywood to OSB webs because the plywood tended to delaminate, but I... Read more

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Q&A: When Are Collar Ties Needed?

Q: Collar ties don’t seem necessary in attics where the rafters come all... Read more

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Q&A: Circular Saw Won't Cut Straight

Q: I have a Skil 559 7 1/4-inch saw, which I have a tough time making accurate cuts with. The saw was given to me, and I suspect it’s a lower-end product. I realize that it’s a poor workman who... Read more

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JLC Field Guide
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