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Garage Portal systems provide increased lateral resistance over site-built shearwalls in locations where space is at a premium. Portal walls shall be installed with a minimum 12" nominal deep header for adequate shear nailing. Because the portal walls and header are tested as a system, the resulting portal frame offers superior engineered performance over site-built walls.

top Details:

1. Beam to support post and support post to foundation uplift connectors may be reduced where justified by calculations.
2. This detail reflects lateral load requirements of a Single and Double Wall Portal system. It is the designer’s responsibility to provide a complete load path for all loads in accordance with the governing codes.
3. System rating equals the sum of the Single and Double Wall Portal values.
4. Alternate Installation: A single piece header (no camber) may be substituted for the two headers shown. The design rating for this condition may then be evaluated as the sum of the individual wall (pier) ratings. Individual wall (pier) ratings for this condition may be taken as half of their Double Wall Portal values.
5. Longer header spans can be accommodated if larger headers are used such that equivalent stiffness is equal to or greater than that provided by the minimum header and maximum length indicated.
6. LTP4 and LSTA24 (design by others) are minimum requirements to achieve the allowable loads.

1. Beam to support post and support post to foundation uplift connectors may be reduced where justified by calculations.
2. This detail reflects lateral load requirements of a Single Wall Portal system. It is the designer’s responsibility to provide a complete load path for all loads in accordance with the governing codes.
3. Longer header spans can be accommodated if larger headers are used such that equivalent stiffness is equal to or greater than that provided by the minimum header and maximum length indicated.
4. STHD10 and LSTA24 (design by others) are minimum requirements to achieve the allowable loads.

top Garage Portal Wall Product Data:

1. For two-pour bolted applications, use the SSTB34 - click for allowable loads and installation.
2. Recommended minimum 5/8"x12" mudsill anchor.

topProduct Information:

Naming Scheme:

top Load Tables:

• 1997 UBC & 2000/2003/2006 IBC Allowable Shear & Drift Values; and
  Multi-Ply Headers for Garage Portal Walls - Allowable Load per Portal Wall (PDF)
• Allowable Vertical Loads and Out-of-Plane Loads for Wood Strong-Wall (PDF)

Load tables list values based upon results from the most recent testing and/or calculations and may not match those in current code reports. Where code jurisdictions apply, consult the current reports for applicable load values.

top Codes:

ICC-ES ESR-1267 (formerly PFC-5485) Revised 8/1/08; City of L.A. RR 25427 Revised 10/8/08; State of Florida FL4432

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