Holdowns

Purlin Anchors

HPA / PA / PAI

Reference Series: HPA, PA, PAI
HPA series – For installation into poured concrete walls, foundations, or masonry. The HPA is the heavy-duty version of the PA anchor.
PA series – For installation into poured concrete or concrete block walls and foundations.
PAI series – For wood I-Joist applications. An expanded 3" on-center nail spacing reduces splitting along I-Joist flange.
Materials: HPA – 10 gauge; PA / PAI – 12 gauge
Finish: G90 galvanizing
Code Reports: View Code Report Table

Installation

  • Use all specified fasteners.
  • Minimum concrete strength is 2,500 psi.
  • The allowable loads for bolts are based on parallel to grain loading with a 3″ minimum member thickness, except the HPA which requires a 3-1/2″ thick wood member. Reduce load per code requirements when minimum member thickness is not achieved.
  • Minimum concrete end/edge distance is 4″ for PA / PAI series, and 6″ for HPA series.
  • Minimum CMU end/edge distance is 20″.
  • Designer may specify alternate fastening schedules. Refer to Nail Specification Table Click here for nail shear values. Load values shall not exceed published allowable loads.
  • No anchor bolts are needed for achieving efficient stress transfer from framing to concrete walls or foundations.

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Option Details:

Corrosion Resistant Products Table

Corrosion Resistant Products Table View / Download the above load table as a PDF

Code Report Table

HPA28

No Code Listing

HPA35

No Code Listing

PA18

No Code Listing

PA18-TZ

No Code Listing

PA23

No Code Listing

PA23-TZ

No Code Listing

PA28

No Code Listing

PA28-TZ

No Code Listing

PA35

No Code Listing

PAI18

No Code Listing

PAI23

No Code Listing

PAI28

No Code Listing

PAI35

No Code Listing