Steel Bridging Floor Joists
Approximate length of joist span from outside wall to beam 3.
Steel bridging floor joists. Thd sku 205173. If span is greater than 16 use more than one pair. Floor joist bridging is critical to the structural strength of a floor as shown in figure 1. How many spaces will you install bridging.
Size of floor joists 2 10 or 2 12 standard lumber 16 on center 2. The premier floor joist system for both commercial and residential framing tradeready steel joists are one of the primary components that make up the tradeready floor system. Nail bridging on all joists. Structural track usually in the same gauge as the.
So the floor deflection under the piano leg is much less if four or five joists are bridged together to share the load than if bridging has been left out and one joist has to carry the whole load. Cross bracing and solid blocking. Are joists still in good condition 4. Whether your home is new or old it is sometimes necessary to install floor joist bracing in order to eliminate squeaking and deflection in the flooring itself.
Support floor joists with a depth to thickness ratio of six or more with bridging at intervals not exceeding 8. If you prefer you can always call me at the office number below we will be happy to discuss your project monday friday 9am. Tension bridging works only in tension so must be used in cross pairs. If the china cabinet in the next room rattles as you walk across the floor try stiffening that floor fast with inexpensive metal braces called bridging bridging allows each joist to share weight with its neighbors and can cut deflection how much the joists flex by half.
Provide a lightweight low cost rigid floor assembly c joist components provide an economical lightweight alternative to open web trusses bar joists engineered lumber cast in place or hollow core floor assemblies. Proper bridging distributes the load on the floor to other joists and over time prevents floors from sagging and squeaking do to floor joists twisting and warping. Bracing will stiffen a floor system prevent floor joists from twisting and increase overall stability however there are actually two types of floor joist bracing commonly used. These joists feature large extruded holes that accommodate hvac mechanical plumbing and sprinkler runs.
Use metal bridging instead of wood blocking if you wish. The weight of the piano is centered over a single joist but the bridging transfers some of the weight to the adjacent joists. The joist also features a series of smaller holes for electrical and technology lines. Install with two 6d common nails per end.
Yet it is not uncommon to find bridging not properly installed or missing all together. Metal bridging is less effective for eliminating bouncy joists than blocking but it is easier to install and may stiffen the floor for.