Do I Need Floor Joist Hangers

I am framing a dropped ceiling below an existing floor assembly which is 3 off level over 20.

Do i need floor joist hangers.

By failure i mean unacceptable sagging as well as actual rupture under load. The end joists on a ledger need a hanger just like the rest of the joists but using a regular joist hanger with out turned flanges presents a problem. An important detail is deciding how the joists will hold into place. To hammer inside tight joist spaces use either short tapping strokes or hold the hammer sideways and strike the nail with the side of the.

Timber to timber joist hangers are used where you need to strengthen a load bearing or non load bearing timber connection. The outside flange extends beyond the ledger. Simpson strong tie offers a diverse line of hangers to handle almost any application with top flange concealed flange and field skewable and slopeable options. These joist hangers use face mount attachments to fasten joists to ledger boards and beams.

Joist hangers represent a critical design component that helps ensure a building s structural integrity. The most popular option is a joist hanger but options other than hangers may need to be considered depending on what kind of deck is being built. The only time i do is if the loft floor joists are below the top plate and run along a door header where that would be the only way to hang the joist so if a nail is all you need why is it that a simple internet search or a quick flip through a book of shed plans seem to push the use of joist hangers. Are joist hangers needed at each.

Joist hangers are designed to provide support underneath joist hangers are designed to provide support underneath the joist rafter or beam to provide a strong a connection. Codes typically call for attaching joists with joist hangers at the ledger. Long galvanized joist hanger nails avoid longer nails that would poke through the joist and splay out the other side of the hanger. The dropped ceiling members are 2x6 s with a span of 9 attached to ledgers using 3 screws.

When factoring in load requirements member size and costs deciding on the best solution can be a daunting process. That being said a properly installed hanger system will outperform any normal requirements given proper joist and beam sizing besides that attic garage or roof top helipad. Hangers impart a more complicated system with more parts and a greater chance of failure. They could be named as face fix joist.

Dropped ceiling will only support new 5 8 blue board. Welded masonry joist hangers masonry return joist hangers. For standard joist hangers secure the joist hanger to the joist using only 1 1 2 in. Nail to the joist standard hanger.

But even in that situation some inspectors will want to see joist hangers. It takes a lot of consideration and planning to build a deck.