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S/HDU Holdowns


The S/HDU series of holdowns combines performance with ease of installation. The pre-deflected geometry virtually eliminates material stretch, resulting in low deflection under load. Installation using self-drilling tapping screws into the studs reduces installation time and saves labor cost.

Material: 118 mil (10 ga)

Finish: Galvanized

Installation:


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S/HDU
U.S. Patents 5,979,130
and 6,112,495
Typical S/HDU Installation Holdown Raised Off CFS Bottom Track Typical S-HDU Floor-Floor Installation

top Load Table: See code report listings below
Additional Corrosion Protection

These products are available with additional corrosion protection. Additional products on this page may also be available with this option, check with Simpson Strong-Tie for details.

Table
  1. The Designer shall specify the foundation anchor material type, embedment and configuration. Some of the tabulated holdown tension loads exceed the tension strength of typical ASTM A36 or A307 anchor bolts.
  2. Stud design by Specifier. Tabulated loads are based on a minimum stud thickness for fastener connection.
  3. 1/4-inch self-drilling screws may be substituted for #14 self-tapping screws.
  4. A heavy hex nut for the anchor bolt is required to achieve the table loads for S/HDU11.
  5. Deflection at ASD or LRFD includes fastener slip, holdown deformation and anchor rod elongation for holdowns installed up to 4" above top of concrete. Holdowns may be installed raised, up to 18" above top of concrete, with no load reduction provided that additional elongation of the anchor rod is accounted for.
  6. The Nominal Tension Load is based on the tested average ultimate (peak) load and is provided for design in accordance with section C5 of AISI S213 that requires a holdown to have a nominal strength to resist the lesser of the amplified seismic load or the maximum force the system can deliver.
  7. See more on Simpson Strong-Tie fasteners.
next  top Code Reports (PDFs):
Legacy Reports
  IAPMO UES ER ICC-ES ESR CITY OF LOS ANGELES STATE OF FLORIDA ICC-ES NER ICC-ES ER ICC-ES ES
S/HDU No code listing. Please contact us for test data.
S/HDU11 ER-124   RR25489 FL13872      
S/HDU4 ER-124   RR25489 FL13872      
S/HDU6 ER-124   RR25489 FL13872      
S/HDU9 ER-124   RR25489 FL13872      



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 ORTHOGRAPHIC
PERSPECTIVE
S/HDUNone for this model S/HDU: DWG | DXF
S/HDU11None for this model None for this model
S/HDU4 S/HDU4: DWG | DXF
S/HDU4 front view: DWG | DXF
S/HDU4 left view: DWG | DXF
S/HDU4 right view: DWG | DXF
S/HDU4 top view: DWG | DXF
None for this model
S/HDU6None for this model None for this model
S/HDU9 S/HDU9: DWG | DXF
S/HDU9 front view: DWG | DXF
S/HDU9 left view: DWG | DXF
S/HDU9 right view: DWG | DXF
S/HDU9 top view: DWG | DXF
None for this model

   
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