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<h1>
  Strong-Wall&reg; High-Strength Wood Shearwalls: Standard and Balloon Framing
  on Concrete Foundations
</h1>
<div class="row">
  <div class="col-md-8">
    <p>
      Simpson Strong-Tie&reg; Strong-Wall high-strength wood shearwalls combine
      design flexibility with performance. Field trimmable, they can be
      customized to accommodate varying heights or rake walls. They are
      evaluated to the 2021 IRC/IBC and are listed by ICC-ES.
    </p>
    <p><strong>Installation</strong></p>
    <ul>
      <li>
        All panels may be field trimmed to a minimum of 74 1/2". Trim height
        from top of panel only, do not trim from sides or bottom. Drilling holes
        in the Strong-Wall high-strength wood shearwalls is not allowed
        <a
          href="/search?v=%3Arelevance%3AdrawingFileType%3APDF&tab=drawing&keywordFilter=WSWH2"
          >except as shown</a
        >.
      </li>
      <li>Anchor bolt nuts should be finger tight plus 1/2 turn.</li>
      <li>
        Maximum shim thickness between the shearwall and top plates or header is
        7/8". For additional shim thicknesses,
        <a
          href="/search?v=%3Arelevance%3AdrawingFileType%3APDF&tab=drawing&keywordFilter=WSWH2"
          >see detail 9/WSWH2</a
        ><span class="call-out">.</span>
      </li>
      <li>
        Walls may be used in 2x6 and 2x8 wall framing. Install panel flush to
        one face of the framing and add furring to the opposite side as
        required to accommodate finish material.
        <a
          href="/search?v=%3Arelevance%3AdrawingFileType%3APDF&tab=drawing&keywordFilter=WSWH2"
          >See detail 6/WSWH2</a
        >.
      </li>
      <li>
        Top connection installs with a combination of SDS25600 Heavy-Duty
        Connector screws and SWS16150 Strong-Wall screws.
      </li>
    </ul>
    <p>
      <strong>Codes:</strong> ICC-ES ESR-2652, City of LA Building Code
      Supplement and State of Florida FL5113
    </p>
  </div>
  
  <div class="col-md-4">
    <h3 class="h4">Strong-Wall High-Strength Wood Shearwall Naming Legend</h3>
    <img
      alt="Drawing: Strong-Wall High-Strength Wood Shearwall Naming Legend"
      src="https://ssttoolbox.widen.net/content/1bojslz9mk/png/
        Drawing_Strong-Wall_High-Strength_Wood_Shearwall_Naming_Legend.png?crop=false&position=c&color=ffffffff&w=353&h=194"
    />
    <div class="container text-center">
      <p><strong>Note:</strong> WSWH not available where pressure treatment of wood are required by local jurisdiction.</p>
    </div>
  </div>
  
</div>

<div class="row">
  <div class="col-md-6">
    <div class="img-panel">
      <img
        alt="Drawing: Standard Installation"
        src="https://ssttoolbox.widen.net/content/lyuljvjl2q/png/
        SW_WSWH_InstIll_Ill_Instld_HighStrengthWoodStrongWall-StandardInstall_CY.png?crop=false&position=c&color=ffffffff&w=1270&h=2048"
      />
      <div class="image__caption">
        <strong>Standard Installation </strong><br />
        <p>US Patent 10,711,477</p>
      </div>
    </div>
  </div>
  
  <div class="col-md-6">
    <div class="img-panel">
      <img
        alt="Drawing: Top Connection"
        src="https://embed.widencdn.net/svg/ssttoolbox/9gsrqhnkud/C-L-SW21-12c.svg"
      />
      <div class="image__caption">
        <strong>Top Connection</strong><br />
        Also applicable for portal applications with a header.
      </div>
    </div>
    <div class="img-panel">
      <img
        alt="Drawing: Top Connection"
        src="https://embed.widencdn.net/svg/ssttoolbox/mxklj3ykpm/C-L-SW21-12d.svg"
      />
      <div class="image__caption">
        <strong>Top Connection</strong><br />
        Section View
      </div>
    </div>
  </div>
  
</div>

<div class="row">
  <div class="col-md-12">
    <h2>Strong-Wall High-Strength Wood Shearwall Product Data</h2>
  </div>
  
  <div class="col-md-6">
    <img
      alt="Table: Strong-Wall High-Strength Wood Shearwall Product Data"
      src="https://embed.widencdn.net/img/ssttoolbox/5hgwywpqx4/500px@2x/C-L-SW21-13a.png"
    />
    <ol>
      <li>
        To achieve evaluated panel heights listed in the allowable load table or
        for those not listed, order the next tallest panel and trim to fit.
        Minimum trimmed height for all panels is 74 1/2".
      </li>
      <li>
        All panels are supplied with preattached holdowns, two heavy hex nuts,
        two heavy bearing plates, one WSWH-TP top connection plate (width based
        on panel model), required fasteners and installation instructions. Replacement parts can be ordered separately.
      </li>
      <li>All panels are 3 1/2" thick.</li>
    </ol>
    <div class="img-panel">
      <img
        alt="Drawing: First-Story Installation with Wood Floor System"
        src="https://ssttoolbox.widen.net/content/5fuffu2ypl/png/
        SW_WSWH_InstIll_Ill_Instld_HighStrengthWoodStrongWall-FirstStoryInstall-WoodFloorSystem_CY.png?crop=false&position=c&color=ffffffff&w=1758&h=2048"
      />
      <div class="image__caption">
        <strong>First-Story Installation with Wood Floor System</strong><br />
        Specify panel height from top of foundation to underside of the top
        plates or beam.
      </div>
    </div>
  </div>
  
  <div class="col-md-6">
    <div class="img-panel">
      <img
        alt="Drawing: Rake Wall Application"
        src="https://embed.widencdn.net/svg/ssttoolbox/cwhzi59afi/C-L-SW21-13c.svg"
      />
      <div class="image__caption"><strong>Rake Wall Application</strong></div>
    </div>
    <div class="img-panel">
      <img
        alt="Drawing: Standard Installation"
        src="https://embed.widencdn.net/svg/ssttoolbox/ck4ykrorvq/C-L-SW21-13d.svg"
      />
      <div class="image__caption"><strong>Standard Installation on Concrete</strong></div>
    </div>
  </div>
  
</div>

<div class="row">
  <div class="col-md-12">
    <img
      alt="Load Table: Strong-Wall High-Strength Wood Shearwall"
      src="https://ssttoolbox.widen.net/content/pwg6wymdzg/png/
      Load%20Table%20Strong-Wall%20High-Strength%20Wood%20Shearwall.png?crop=false&position=c&color=ffffffff&w=1005&h=2048"
    />
    <ol>
      <li>
        Allowable shear loads are applicable to installations on concrete with
        specified compressive strengths as listed using the ASD basic (IBC
        Section 1605.3.1) or the alternative basic (IBC Section 1605.3.2) load
        combinations.
      </li>
      <li>
        Load values include evaluation of bearing stresses on concrete
        foundations and do not require further evaluation by the designer. For
        installations on masonry foundations, bearing capacity shall be
        evaluated by the designer.
      </li>
      <li>
        Seismic design based on 2021 IBC using R = 6.5. For other codes, use the
        seismic coefficients corresponding to light-frame bearing walls with
        wood structural panels or sheet-steel panels.
      </li>
      <li>
        Allowable vertical load denotes the total maximum concentric vertical
        load permitted on the panel acting in combination with the allowable
        shear loads.
      </li>
      <li>
        Allowable shear, drift and anchor tension values may be interpolated for
        intermediate height or vertical loads. For panels 74 1/2"–78" tall, use
        the values for a 78"-tall panel.
      </li>
      <li>
        To achieve required WSWH panel evaluation height, trim next tallest
        full-height panel.
      </li>
      <li>Drifts at lower design shear may be linearly reduced.</li>
      <li>See allowable out-of-plane and axial capacities.</li>
      <li>
        Angled SDS screws may be omitted from the <a href="https://ssttoolbox.widen.net/view/pdf/zqczhh7uti/L-L-WSWHSHTG">WSWH-TP</a> for all
        panels taller than 100", as reduced allowable out-of-plane loads may
        apply.
      </li>
      <li>
        High-strength anchor bolts are required for anchor tension forces
        exceeding the
        <a href="/products/lateral-systems/strong-wall-shearwalls/high-strength-wood-shearwall/anchorage-solutions">tabulated allowable load for standard-strength bolts</a>. 
        See <a href="https://www.strongtie.com/wswhanchorage_strongwallwoodshearwalls/wswh-ab_bolt/p/wswh-ab">WSWH-AB</a> anchor bolt information and
        <a href="/products/lateral-systems/strong-wall-shearwalls/high-strength-wood-shearwall/reinforcement-solutions">anchorage solutions</a>.
      </li>
      <li>
        Tabulated anchor tension values assume no resisting vertical load.
        Anchor tension loads at design shear values and including the effect of
        vertical load may be determined using the following equation:<br />
        T = [(V x H) / B] – P/2, where:
        <ul type="none">
           <li>T = Anchor tension load (lb.) <li/>
           <li>V = Design shear load (lb.) <li/>
           <li>P = Applied vertical load (lb.) <li/>
           <li>H = Panel height (in.) <li/>
           <li>
            B = Moment arm (in.); 7 5/8" for WSWH12, 
            <ul type="none">
              <li>12 1/2" for WSWH18, 17 1/2" for WSWH24.</li>
            </ul>
           </li>
        </ul>
      </li>
    </ol>
  </div>
  
  <div class="col-md-12">
    <h2>
      Allowable Out-of-Plane Loads for Single-Story Walls on Concrete
      Foundations (psf)
    </h2>
    <img
      alt="Table: Allowable Out-of-Plane Loads for Single-Story Walls on Concrete Foundations (psf)"
      src="https://embed.widencdn.net/img/ssttoolbox/aflfg29btk/500px@2x/C-L-SW21-16a.png"
    />
    <ol>
      <li>
        Loads shown are at ASD level in pounds per square foot with no further
        increase allowed.
      </li>
      <li>Loads consider a maximum deflection limit of H/240.</li>
      <li>
        Allowable out-of-plane loads can be applied in combination with the
        allowable vertical loads.
      </li>
      <li>
        Angled SDS screws may be omitted for WSWH panels taller than 100" in
        standard applications; however, SWS16150 screws must be installed for
        all fastening conditions. When angled SDS screws are omitted, a reduced
        allowable out-of-plane load may apply. See table for reduced loads.
      </li>
      <li>
        Allowable values for header panel attachment assume a maximum header
        depth of 12". Use a load reduction factor of 0.94, 0.88 and 0.82 for
        14"-, 16"- and 18"deep headers respectively.
      </li>
      <li>
        Allowable values shown for header panel attachment require the use of
        the portal straps to resist header rotation.
      </li>
      <li>N/A = Not Applicable.</li>
    </ol>
  </div>
  
  <div class="col-md-12">
    <h2>
      Allowable Axial Loads for Single-Story Walls on Concrete Foundations (lb.)
    </h2>
    <img
      alt="Table: Allowable Axial Loads for Single-Story Walls on Concrete Foundations (lb.)"
      src="https://embed.widencdn.net/img/ssttoolbox/el6gjvfdm0/1971x372px/C-L-SW21-16b.png"
    />
    <ol>
      <li>
        Allowable ASD vertical load is the lesser of the WSWH panel buckling
        capacity and concrete bearing capacity beneath the holdowns assuming a
        minimum specified concrete compressive strength f'<sub>c</sub> = 2,500
        psi.
      </li>
      <li>
        Allowable vertical loads assume concentric point load or uniformly
        distributed load without lateral loads present. For combined lateral and vertical loads, see table.
      </li>
      <li>
        Tabulated loads apply to single-story panels on concrete foundations.
      </li>
      <li>N/A = Not Applicable.</li>
    </ol>

    <img alt="SW_WSWH_InstIll_Ill_Instld_HighStrengthWoodStrongWall-FullHouseFraming_CY.ai" src="https://ssttoolbox.widen.net/content/ikrvitzkml/png/
    SW_WSWH_InstIll_Ill_Instld_HighStrengthWoodStrongWall-FullHouseFraming_CY.png?crop=false&position=c&color=ffffffff&w=2048&h=1042">

    <div class="container text-center">
      <strong>Full House Framing</strong>
    </div>
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