Simpson MIT I-Joist hangers feature positive angle nailing (PAN). With PAN, the nail hole material is not removed, but is formed to channel and confine the path of the nail at approximately 45°. PAN minimizes splitting of the flanges while permitting time-saving nailing from a better angle. The Strong-Tie MIT420 top flange hanger features a G90 galvanized finish for added 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.
- optional triangle nail holes may be used for increased uplift capacity.
- For sloped joists up to 1/4:12 there is no reduction; between 1/4:12 and up to 1/2:12, tests show a 10% reduction in ultimate hanger strength. Local crushing of the bottom flange or excessive deflection may be limiting; check with joist manufacturer for specific limitations on bearing of this type.
NOTE: The correct fasteners installed in the correct position must be used to achieve published load values
California Residents: WARNING