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Q: When building a super-insulated house, one of the ways to increase insulation levels in the wall assembly is to increase the thickness of the wall. But instead of using double-wall framing, would it be okay to frame walls with I-joists?
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Q: I've heard that if you use 5 1/2-inch-thick fiberglass batts in a 2x4 wall, the insulation will have a higher R-value than standard 3 1/2-inch batts provide. But some people say that compressing fiberglass batts lowers the R-value. What's the story?
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School of American Ballet at Lincoln Center
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Our annual pick of products designed to help you work smarter, faster, and better.
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Vapor retarders in North Carolina; cost of curved coffered ceiling; hiring illegal immigrants
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Drywall back-blocking in action; A-frame appreciation; hard workers in California; more
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Q: Are precast concrete foundation walls subject to the same dampproofing or waterproofing requirements as cast-in-place and block foundations? I've heard that because these walls are made of a high-strength concrete that's virtually nonporous and impervious to water, they don't require extra...
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Q: Can finger-jointed studs be used for wall plates and short window and door headers?
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T-shaped beams fabricated from a standard I-beam help uncramp a basement space.
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Simple framed walls support the treads and act as forms for bending the rails and stringers.