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Q. I have a question about the hidden soffit vent details you've published recently (Backfill, 7/04; Letters, 10/04). Is it possible to build this so that you get a positive transfer of lateral loads from the roof sheathing to the frieze blocking and into
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Q: I recently inspected a home that had 3/8-inch OSB corner bracing. The surface stamp indicated that the strength axis of the panel ran in the long direction (see photo, below). I assume this means the panel should be applied with the long dimension across the studs, yet the builder had installed...
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Simple fixes for shear wall nailing mistakes
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Installing hold-downs for shear walls
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Do you have to double 2x12 trimmer rafters when installing a skylight? Can you remove collar ties in an attic? Just how strong is a toe-nail? We asked four engineers to answer these and other structural questions.
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Q: What’s the best nailing pattern for built-up beams?
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Q: I’ve always heard that installing plywood sheathing horizontally (perpendicular to the direction of the studs), with joints staggered, is stronger than installing it vertically. True? Is this true of roof sheathing too?
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Q: Does OSB sag more than plywood when installed horizontally over 24-inch-center rafters?
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Q: Do the layers of plywood in typical built-up headers add significant strength to the header?
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Q: When you remove one rafter to install a skylight, do you have to double the two rafters at the sides of the opening? What about the headers?