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Simpson Nail Chart/Specifications

Simpson Nail Chart/Specifications

In some cases it is desirable to install Simpson Strong-Tie face mount joist hangers and straight straps with nails that are a different type or size than what is called out in the load table. In these cases these reduction factors must be applied to the allowable loads listed for the connector.

double shear nailing
Double shear nailing should use full length common nails
double shear nailing
Shorter nails may not be used as double shear nails




Load Adjustment Factors for Optional Nails Used with Face Mount Hangers and Straight Straps
Table
  1. Allowable load adjustment factors shown in the table are based on calculated reduction factors and are applicable for all face mount hangers and straight straps throughout this catalog, except as noted in the footnotes below.
  2. Some products have been tested specifically with alternate fasteners and have allowable load adjustment factors or reduced capacities published on the specific product page which may differ from the values calculated using this table.
  3. This table does not apply to hangers modified per the Hanger Options, or steel thicker than 10 gauge.
  4. Unless noted otherwise, 10dx1 1/2", 10dx2 1/2" or 16dx2 1/2" nails may not be substituted for joist nails in double-shear hangers (i.e. LUS, MUS, HUS, HHUS, HGUS). For applications involving pneumatic nails, refer to technical bulletin T-PNEUMATIC.
  5. Do not substitute 10dx1 1/2" nails for face nails on slope and skew combinations or skewed only LSU and LSSU.
  6. For straps installed over sheathing use a 2 1/2" long nail minimum.
  7. Where noted, use 0.80 for 10 ga, 11 ga, and 12 ga products when using SPF lumber.
  8. Where noted, use 0.92 for 10 ga, 11 ga, and 12 ga products when using SPF lumber