What Is Floor Joist Blocking

Blocking bridging or strapping at 8 ft on center forces the joists to take the path of maximum resistance down making them slightly stiffer.

What is floor joist blocking.

Squash blocks do not provide lateral support. Making professional blocks to make the blocks i cut sections of i joist 1 inches smaller than the space between the joists. Blocking your deck joists blocks cut from the same material as your joists should be installed at regular intervals perpendicular to the length of the joists. Engineered i joists can span long distances to make a flat and solid subfloor.

Prolong the health of your framing with joist tape. To carry load bearing walls that stack above walls or beams. Blocking when talking about floor joists is when short wood blocks are used to fill or reinforce floor joists under floors that have a space below them. Squash blocks are short pieces of lumber or ewp cut 1 16 longer than the depth of the joist their purpose is to transfer vertical loads around the joists to bearing below.

Tying the joists together with blocking makes the floor even stronger and stiffer. Limiting joist movement also helps prevent gapping between deck boards for a uniform finish. Joist blocking blocking provides the floor joists with lateral support and it provides a way to transfer shear and vertical loads from the walls above to the foundation below. They help to stiffen the deck s frame and prevent joists from moving or twisting as the lumber expands and contracts.

The wood used when blocking is usually made up of short defective pieces of wood that can t be used in other pieces of construction. Two common reasons for squash blocks are.