Cross Support For Floor Joist

It should be placed at eight foot intervals between any floor joists 2x10 or longer.

Cross support for floor joist.

Recommended beam joist spans for deck framing. Most decks use 16 on center spacing for joists. Providing more support and rigidity than cross bracing solid blocking is a reasonable alternative but can be an obstacle for running plumbing pipes and electrical wire between floor joists. Although not as good as solid or cross bridging a 2 x 4 supporting the duct work as shown in figure 4 would provide more support and load sharing than a light piece of metal.

You can use cross bracing instead. Figure 4 2 x 4 installed below duct work table 1 provides the correct quantity of bridging relative to the span of the floor joist. The bigger you make your deck the more you ask of the framing timbers that hold up the deck s structure and the joists and beams that support the. Cross bracing or bridging is another system that reinforces a structure of a building just like blocking does.

In some cases additional joist supports will have to be installed before there can be extra heavy objects on the floor. A joist support is the horizontal beam that supports the floor joists. The layout term for joists is on center which is the center to center measurement from one joist to the next. Solid blocking should be used where floor joists overlap over beams.