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Floor Structure

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    Plumbing and Straightening Walls

    This quick, accurate method prevents problems with the framing and finishes that follow.

     
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    Toolbox

    PLS90E 90-degree layout laser; knives; heavy equipment

     
  • 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...

     
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    Running a Timber-Framing Business

    Modern tools bring this traditional building method into the 21st century.

     
  • 2006 JLC Index

    Our annual listing of features and departments.

     
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    Framing the First-Floor Deck

    The work goes faster if you use a laser, install anchor straps instead of anchor bolts, and measure as little as possible.

     
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    Framing a Spiral Staircase

    Painstaking layout made it possible to build this lighthouse stair with standard framing tools

     
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    Replacing a Bearing Wall With a Flush Beam

    A shallow steel-reinforced beam preserved headroom in this low-ceilinged room.

     
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    Letters

    Note from New Jersey; snow-covered vent pipes; the continuing safety-factor discussion; more

     
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    Products

    Truck accessories; wood flooring; structural fasteners & connectors

     
  • Fast Floors With Structural Insulated Panels

    Using floor panels supported by engineered-lumber girders cuts production time on SIP houses.

     
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    Foolproof Layout For Winding Stairs

    While new stair codes have made winders more complicated to build, full-scale layout eliminates the guesswork.

     
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    Q&A: Setting Ceramic Tile Over Long-Span Steel Joists

    Q. The plans for a new house call for saltillo tile over a 3/4-inch plywood subfloor with 1/2-inch concrete backerboard (Durock) thinset and screwed to the plywood. The floor joists are Dietrich Trade Ready Floor System 12-gauge steel joists at 16 inches

     
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    Building a Timber Barn

    For customers who want the look of a timber-frame outbuilding without the cost, this Massachussetts builder has developed a straightforward approach to stick framing with heavy timbers.

     
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    Time-Saving Tools For Framers and Finish Carpenters

    Trying to speed production and increase accuracy on the job? These tools deserve a look.

     
  • Protecting Existing Finishes

    A high-end remodeler describes his simple system for protecting existing surfaces and new work with hardboard, tape, plastic sheeting, and other inexpensive materials.

     
  • Should Floor Trusses Be Attached to Walls Below?

    Q. What is the proper way to attach an interior basement wall to floor trusses ? both perpendicular walls and walls that run parallel with the bottom chord and fall between the trusses. I have been told to nail directly to the trusses, and I have bee

     
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    Builder Blunders

    Nobody's perfect, but some builders are more imperfect than others. A veteran troubleshooter describes some memorable on-the-job mistakes.

     
  • Q&A: Insulating a Floor Over an Unheated Garage

    Q. Any suggestions on the best way to insulate the ceiling of a garage? The garage will have an in-law suite above, with living, sleeping, and bath areas. The floor construction will be 2x10 joists, or possibly 117/16-inch wood I-joists. I'm especially co

     
  • Framing Guidelines

    Notching & boring joists & studs * Structural rules of thumb for wall, floor & roof framing * Shed dormers * Structural ridges * Framing solutions with metal connectors

     
 
 
 
JLC Field Guide to Decking