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Bookmark or Share- 6 Ways to Stiffen a Bouncy Floor - Fine HomebuildingSynopsis: Bouncy floors are one of the most vexing problems faced in houses, both new and old. Contributing editor Mike Guertin teams up with structural engineer David Grandpré to detail six common, and not-so-common, ways to stiffen up the floor joists to reduce deflection and keep the china cabinet from wobbling.
- Installing Floor Joists - Fine HomebuildingThe perpendicular rim joists—the ones that cap the ends of the joists—can either be installed as the floor joists go in or be added after the joists are in place. Their role is to hold the ends of the floor joists plumb and square to the mudsills. Start by nailing the ends of the parallel rim joists into the perpendicular rims at the corners.
- Exploring the Benefits of Engineered Floor JoistsEngineered floor-framing options such as wood I-joists and floor trusses, however, can span greater lengths with fewer caveats, yielding open spaces easily accessible to designers and framers. Both I-joists and floor trusses minimize or eliminate potential engineering problems and in the end—despite the added upfront cost—might even save money.
- Insulating a Wood-Framed Floor Assembly - Fine HomebuildingTo reduce thermal bridging through the floor joists, install a continuous layer of rigid foam insulation on the underside of the joists. One inch of rigid foam is much better than nothing, and a 2-inch layer is even better. If the rigid foam seams are carefully taped, the foam layer can also act as the floor assembly’s exterior air barrier.
- LVLs: A Strong Backbone for Floor Framing - Fine HomebuildingDropped beams make floor framing faster because the joists run over the beam in continuous lengths. Rather than sitting on the mudsills, a dropped beam typically requires a pocket in the foundation wall to support each beam end. Dropped beams are nice because the bays between joists are open, which makes running utilities easier; the exception ...
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