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Download our newest version of the Connectors for Cold-Formed Steel Construction catalog that includes specifications, load tables and installation illustrations for our cold-formed steel connectors and clips.

Connectors for Cold-Formed Steel Construction Catalog

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            <div class="technical-notes">
                <h1>
                    Steel Strong-Wall&reg; Cold-Formed Steel Two-Story Stacked-On Concrete
                    Foundations
                </h1>

                <section class="row">
                    <div class="image">
                        <img alt="47a-2010" src="https://embed.widencdn.net/img/ssttoolbox/wwmhc0dlib/330px@2x/47a-2010.png?q=100" />
                    </div>
                </section>

                <div class="row">
                    <div>
                        <p>
                            A complete stacked-wall solution for two-story applications. Now there is
                            a Steel Strong-Wall option for two-story cold-formed steel installations
                            that combines simplified installation with superior performance.
                        </p>
                        <ul>
                            <li>
                                Some of the highest loads in the industry, and design procedures that
                                account for <a href="/overturn/index.asp">cumulative overturning</a>.
                            </li>
                            <li>
                                Complete concrete anchorage designs for two-story applications
                                (foundation design by designer).
                            </li>
                            <li>
                                No bearing plates to install. Walls can be placed flush against a
                                corner.
                            </li>
                            <li>Same anchor bolt template as single-story installation.</li>
                            <li>Compression loads transferred by nut/rod.</li>
                            <li>
                                Do not cut the Steel Strong-Wall or enlarge existing holes. Doing so will
                                compromise the performance of the wall.
                            </li>
                            <li>Do not use an impact wrench to tighten nuts on the anchor bolts.</li>
                            <li>
                                Drill or notch the subfloor to allow the compression nut to sit flush with
                                the underside of the 2nd-story wall (notching of the rim joist may also be
                                required).
                            </li>
                        </ul>
                    </div>
                </div>
                <div class="row">
                    <div class="col-md-12">
                        <h2>Product Data</h2>
                    </div>
                    <div class="col-md-6">
                        <h3 class="h4">TSS - Bottom Wall</h3>
                        <table>
                            <tr>
                                <th>Model</th>
                                <th>Width (in)</th>
                                <th>H Range (in)</th>
                                <th>No. Screws in Top of Wall</th>
                            </tr>
                            <tr>
                                <td>S/SSW15X</td>
                                <td>15</td>
                                <td>80.063 - 121</td>
                                <td>6</td>
                            </tr>
                            <tr>
                                <td>S/SSW18X</td>
                                <td>18</td>
                                <td>80.063 - 121</td>
                                <td>9</td>
                            </tr>
                            <tr>
                                <td>S/SSW21X</td>
                                <td>21</td>
                                <td>80.063 - 121</td>
                                <td>12</td>
                            </tr>
                            <tr>
                                <td>S/SSW24X</td>
                                <td>24</td>
                                <td>80.063 - 121</td>
                                <td>14</td>
                            </tr>
                        </table>
                        <ol>
                            <li>Thickness = 3 1/2" for all models</li>
                        </ol>
                    </div>
                    <div class="col-md-6">
                        <h3 id="kit" class="h4">CFS Two-Story Stacked-Wall Connection Kit</h3>
                        <table>
                            <tr>
                                <th>Wall Width (in)</th>
                                <th>Model No.</th>
                                <th>Contents</th>
                            </tr>
                            <tr>
                                <td>15</td>
                                <td>SSW15-2KT</td>
                                <td rowspan="4" align="left" valign="top">
                                    <ul>
                                        <li>
                                            (1) Shear-Transfer Plate (with #14 self-drilling screws, included)</li>
                                        <li>
                                            (2) 1"x48" Threaded Rods F1554 Grade 36</li>
                                        <li>(6) Heavy Hex Nuts</li>
                                        <li>Installation Instructions</li>
                                    </ul>
                                </td>
                            </tr>
                            <tr>
                                <td>18</td>
                                <td>SSW18-2KT</td>
                            </tr>
                            <tr>
                                <td>21</td>
                                <td>SSW21-2KT</td>
                            </tr>
                            <tr>
                                <td>24</td>
                                <td>SSW24-2KT</td>
                            </tr>
                        </table>
                        <ol>
                            <li>Two heavy hex nuts included with each wall.</li>
                        </ol>
                    </div>
                </div>

                <div class="row">
                    <div class="col-md-6">
                        <h3 id="shear" class="h4">Shear-Transfer Plate Fasteners</h3>
                        <table>
                            <tr>
                                <th rowspan="2">Strong-Wall Width</th>
                                <th colspan="2">Fastener Quantity</th>
                            </tr>
                            <tr>
                                <th>#14 Screws</th>
                                <th>#10 Screws</th>
                            </tr>
                            <tr>
                                <td>12" Wall</td>
                                <td>4</td>
                                <td>6</td>
                            </tr>
                            <tr>
                                <td>15" Wall</td>
                                <td>4</td>
                                <td>10</td>
                            </tr>
                            <tr>
                                <td>18" Wall</td>
                                <td>6</td>
                                <td>12</td>
                            </tr>
                            <tr>
                                <td>21" Wall</td>
                                <td>6</td>
                                <td>16</td>
                            </tr>
                            <tr>
                                <td>24" Wall</td>
                                <td>7</td>
                                <td>18</td>
                            </tr>
                        </table>
                    </div>

                </div>



                <div class="row">
                    <div class="col-md-12">
                        <h2>Product Information</h2>
                    </div>
                    <div class="col-md-6">
                        <h3 class="h4">Material</h3>
                        <ul>
                            <li>Vertical Panel - 118 mil (10 ga)</li>
                        </ul>
                        <h3 class="h4">Finish</h3>
                        <ul>
                            <li>Vertical Panel - Galvanized</li>
                            <li>Top and Base Plates - Simpson Strong-Tie gray
                                paint (cold galvanizing available,
                                <a href="/contact_us.asp">contact Simpson <span style="white-space: nowrap;">Strong-Tie</span> </a>)
                            </li>
                        </ul>
                        <h3 class="h4">Related Links</h3>
                        <ul>
                            <li><a href="https://ssttoolbox.widen.net/view/pdf/loy4vmwdsn/c-cf-2023-p090.pdf?t.download=true">Two Story Stack Design Example</a></li>
                            <li><a href="/resources/literature/cold-formed-steel-catalog">Cold-Formed Steel Catalog</a></li>
                        </ul>
                    </div>
                    <div class="col-md-6">
                        <h3 class="h4">Top Wall Naming Legend</h3>
                        <p>
                            <img alt="S_SSW-naming-top-p46-2010" src="https://embed.widencdn.net/img/ssttoolbox/qnuedoajid/exact/S_SSW-naming-top-p46-2010.jpeg" />
                        </p>
                        <h3 class="h4">Bottom Wall Naming Legend</h3>
                        <p>
                            <img alt="S_SSW-naming-bottom-p46-2010" src="https://embed.widencdn.net/img/ssttoolbox/p3mj1erx0g/exact/S_SSW-naming-bottom-p46-2010.jpeg" />
                        </p>
                        <h3 class="h4">Wall Profiles</h3>
                        <p>
                            <img alt="29b" src="https://embed.widencdn.net/img/ssttoolbox/0xaqj8q7aj/exact/29b.jpeg" />
                        </p>
                    </div>
                </div>
            </div>

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Information on using our Steel Strong-Wall® shearwalls for two-story cold-formed steel installations.

Steel Strong-Wall Cold-Formed Steel Two-Story Stacked-On Concrete Foundations

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