If your first tread steps down from the deck you must extend the rim joist to create a solid surface below the deck rim to attach it to.
Stair joist hangers.
Choosing the right hanger.
Provides a method of connecting a stair stringer with a hidden hanger.
If the treads are 36 inches long you can support them with two solid stringers but if you re using sawn stringers you ll need three.
Read the related article critical deck connections or watch the rest of the video series below.
The lscz adjustable stair stringer connector offers a versatile concealed connection between the stair stringer and the carrying header or rim joist while replacing costly framing.
High performance solutions for high wind forces.
The irc specifies that stair treads should be constructed from 2 x 6 lumber.
Use positive connections to install stair stringers using stair stringer connectors to the front face of the rim to provide adequate support.
If the joist are 2x10 or 2x12 you may be able to secure the stairs against the lower portion of the rim joist.
Reversible design allows the connector to be used in left right or interior stringers.
The lsc adjustable stair stringer connector offers a versatile concealed connection between the stair stringer and the carrying header or rim board while replacing costly framing.
Field slopeable to all common stair stringer pitches the lscz connector is suitable for either solid or notched stringers.
Joist hangers are sized by joist depth and run about 1 2 inch shorter than the nominal size of the joist you can size deck joists by referring to table r507 6 in the 2018 irc which lists spans for deck joists sized from 2x6 to 2x12.
The connection between stair stringer and deck comes down to a simple strap style hanger but locating and properly securing that hanger is where the bulk of the work will be focused.
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.
Just be aware that if there is too little space for the stair horizontal blocking to be safely connected to the rim joist this option has to be re thought.
For example a 2x8 joist hanger is about 6 5 8 inches tall.
Field slopeable to all common stair stringer pitches the lsc connector is suitable for either solid or notched stringers.
Bend angle only once.
Through 60 years of field experience and countless hours of research simpson strong tie has developed the industry s most comprehensive line of wood construction connectors and fasteners specifically designed to resist uplift and lateral forces caused by high winds.
Seat of the hanger is adjustable to match the slope of the stair stringer.