locations

A map and contact information for our branches, offices, factories, distribution centers and warehouses located around the world.

Locations

newsletterForm

xm:banner

xm:large

xm:largesquare

xm:mediumsquare

logo_sst_rgb.svg

hippogallery:original

xm:small

xm:smallsquare

hippogallery:thumbnail

footer

main

brxsaas:ctaLink

brxsaas:cta

newsletter-form

Subscribe to Our Newsletter

sitemap-cta

Privacy Policy

User Agreement

Limited Warranties

Terms & Conditions

brxsaas:items

North America

Oceania

Other

Europe

region-selector

Simpson Strong-Tie International Sites

container

brxsaas:HTMLContentFieldGroup-hEnlF

html-content-NRALz

dealerlocator

Explore our dealer locator application to find an official dealer of Simpson Strong-Tie products near you in the United States and Canada.

Dealer Locator

header

html-content-DgEMR

dtt1z-installation

Step-by-step instructions to guide you through the installation of our DTT1Z holdown.

DTT1Z Installation Guide

bottomMenu

regionSelector

html-content-uQcoG

sst-blank-layout

footer-menu

Our Company

Vision, Mission, and Values

Research, Testing & Innovation

Newsroom

Shows & Events

Investor Relations

About Simpson Strong‑Tie

Working at Simpson Strong‑Tie

Inclusion and Belonging

Job Openings: North America

Job Openings: Vietnam

Careers

Give Back

Habitat for Humanity

Strong-Tie Undergraduate Fellowship

Social Impact

Product Use Information

Corrosion Information

Discontinued Products

Federal Procurement & Domestic Content Programs

Product Use & Corrosion Info

Building Strong Blog

Structural Engineering Blog

Strong Conversations Podcast

Blogs & Podcast

Connectors

Anchoring Systems

Fastening Systems

Structural Steel

Lateral Systems

Repair, Protection, & Strengthening Systems

Reinforcement Alignment

Equipment

Products

Industry Solutions

Digital Solutions

Outdoor Living

Project Ideas & Inspiration

Solutions & Projects

PDF Literature & Catalogs

Software & Apps

CAD Drawings

Code Report Finder

Product Submittal Generator

Video Library

Product Installer's Guide

Resource Center

Local Workshops

Online Courses

Recorded Webinars

Builder Learning Center

Upcoming Shows & Events

Training & Education

Contact Us

FAQs

Customer Survey

Customer Service

home

Welcome to the Simpson Strong-Tie homepage showcasing our resources, products and services designed to help people build safer, stronger structures.

Homepage

<div class="container">
    <div class="row no-break">
        <div class="col-md-6 column">
            <div class="col-md-10 inner-column">
                <h2>Tools</h2>
                <img  src="https://embed.widencdn.net/svg/ssttoolbox/mmcxxthchr/C_TOOL-LightDutyDrill_ProdIll_Ill_Other_C0.svg" alt="Light Duty Drill" class="fastener-tool-img">
                <div class="caption">Impact Driver</div>
                
            </div>
            <div class="col-md-4 inner-column">
                <img  src="https://embed.widencdn.net/svg/ssttoolbox/sfcblesj2q/F_NutDriver_InstSeq_Ill_Inst_Nut-driver_C0.svg" alt="Nut Driver" class="fastener-tool-img">
                <p class="caption">Use 3/8" driver.<br>
                <span class="spanish-text">Use un destornillador de 3/8".</p>
            </div>
        </div>
        <div class="col-md-6 column">
            <div class="col-md-10 inner-column">
                <h2>Fasteners</h2>
                <img  src="https://embed.widencdn.net/svg/ssttoolbox/4ktqoz9ir2/F_SDWH_ProdIll_Ill_Inst_Product_C0.svg" alt="Strong-Drive® SDWH TIMBER-HEX HDG Screw" class="fastener-tool-img">
                <div class="caption">Strong-Drive<sup>®</sup> SDWH TIMBER-HEX HDG Screw</div>
                
            </div>
            <div class="col-md-6 inner-column">
                <img src="https://embed.widencdn.net/svg/ssttoolbox/lwewpiy1ym/F_SD9112_InstSeq_Ill_Inst_Product_C0.svg" alt="#9 x 1 1/2&rdquo; Strong-Drive" class="fastener-tool-img">
                <div class="caption">#9 x 1 1/2" Strong-Drive<sup>®</sup> SD CONNECTOR Screw</div>
            </div>
        </div>
    </div>
    <div class="container">
        <h2>Installation Steps</h2>
        <div class="installation-steps">
            <div class="installation-step empty">
                <div class="step-number">1</div>
                <div class="step-content">
                    <div class="zoom-icon-container">
                        <i class="bi bi-zoom-in2 zoom-icon"></i>
                    </div>
                    <div class="custom-thumbnail">
                        <img src="https://embed.widencdn.net/svg/ssttoolbox/jilted9cg0/C_DTT1Z_InstSeq_Ill_Inst_Positioning_C0_STEP01.svg" alt="DTTZ1 Installation, Step 1">
                    </div>
                </div>
                <div class="text-content">
                    
                </div>
            </div>
            <div class="installation-step empty">
                <div class="step-number">2</div>
                <div class="step-content">
                    <div class="zoom-icon-container">
                        <i class="bi bi-zoom-in2 zoom-icon"></i>
                    </div>
                    <div class="custom-thumbnail">
                        <img src="https://embed.widencdn.net/svg/ssttoolbox/lmvsfqcgum/C_DTT1Z_InstSeq_Ill_Inst_Screwing-to-joist_C0_STEP02.svg" alt="DTTZ1 Installation, Step 2">
                    </div>
                </div>
                <div class="text-content">
                    
                </div>
            </div>
            <div class="installation-step empty">
                <div class="step-number">3</div>
                <div class="step-content">
                    <div class="zoom-icon-container">
                        <i class="bi bi-zoom-in2 zoom-icon"></i>
                    </div>
                    <div class="custom-thumbnail">
                        <img src="https://embed.widencdn.net/svg/ssttoolbox/8luzyillev/C_DTT1Z_InstSeq_Ill_Inst_Screwing-to-top-plate_CY_STEP03.svg" alt="DTTZ1 Installation, Step 3">
                    </div>
                </div>
                <div class="text-content">
                    
                </div>
            </div>   
        </div>
    </div>
</div>


brxsaas:HTMLContentFieldGroup-JpAWN

<div class="print-logo">
        <img src="https://www2.strongtie.com/pardot-emails/master/images/sst-logo.png" width="113" alt="Simpson Strong-Tie logo"></div>
    <div class="full-width no-break">
        <div class="main-content">
            <div class="row mt-4">
                <div class="col-md-6 column-left">
                    <img  src="https://embed.widencdn.net/svg/ssttoolbox/8luzyillev/C_DTT1Z_InstSeq_Ill_Inst_Screwing-to-top-plate_CY_STEP03.svg" alt="DTT1Z Holdown Image">
                </div>
                <div class="col-md-6 column-right">
                    <h1>DTT1Z Holdown Installation Guide</h1>
                    <p>The DTT1Z fastens to the narrow or wide face of a single 2x with Strong-Drive SD Connector screws or nails and accepts a 3⁄8" bolt, anchor bolt or lag screw (washer required) or can be installed with the Strong-Drive SDWH Timber-Hex HDG screw with an integral washer.</p>
                    <div class="FeatureBlock_feature__actions__s0OcA"><a href="/decks_decksandfences/dtt_tie/p/dtt" id="view-details" target class="btn btn-primary">See Product Details</a>
                        <a href="#" onclick="event.preventDefault(); window.print();"nid="print-page" class="btn btn-secondary"><i class="fas fa-print"></i> Print</a>
                    </div>
                </div>
            </div>
        </div>
    </div>

brxsaas:HTMLContentFieldGroup-oYLuE

literature-and-links-canada

Resources including links to literature and information for structural residential and commercial building in Canada.

Literature and Links for Canada