Simpson Strong-Tie IUS is a hybrid hanger that incorporates the advantages of the face mount and top mount hanger. Installation is fast with the Strong-Grip™ seat, easy-to-reach face nails and self-jigging locator tabs.The Strong-Tie IUS3.56/11.88 face mount joist hanger features a G90 galvanized finish for corrosion resistance and requires the use of hot-dip galvanized fasteners which meet the specifications of ASTM A153.
Installation:
Use all specified fasteners. Verify that the header can take the required fasteners specified in the table.
Fasten hanger to header. Position I-joist into hanger and snap into place. No joist nailing required. Some IUS models have triangle and round header nail holes. To achieve Max. download, fill both round and triangle holes.
Locator tabs are not structural. They may be bent back to adjust for hanger placement.
I-joists with web stiffeners or rectangular sections can be used with the installation of 2-10dx1 1/2" nails into the optional triangle joist nails.
IUS web stiffeners are not required with I-joists when the top flange is laterally supported by the sides of the hanger unless the manufacturer’s no-web-stiffener reaction is exceeded.
Models have optional triangle joist nail holes for additional uplift. Properly attached web stiffeners are required.
IUS—add web fillers and two 10dx1-1/2" joist nails in the triangle holes for a total uplift of 365 lbs.
