High Wind-Resistant Construction
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HIGH WINDRESISTANT CONSTRUCTION C-HW12

C-HW12 © 2012 SIMPSON STRONG-TIE COMPANY INC.

We help people build safer structures economically. At Simpson Strong-Tie, this statement doesn’t refer to structures built in a vacuum or on paper. We know that structures are built in earthquake regions, in tornado regions, and in hurricane regions. In order for Designers to address these real-world scenarios, they need products and systems designed to address the specific challenges each natural phenomenon presents. Our continued commitment to those who specify, install, and rely on our products is reflected in this High Wind-Resistant Construction catalog. For more information, please...

High Wind-Resistant Construction The High Wind-Resistant Construction catalog (C-HW12) is a guide to assist Designers faced with challenging connections in high-wind regions. C-HW12 compiles technical data from the Wood Construction Connectors catalog (C-2011) to offer design solutions as well as installation details that create a load path resistant to increased uplift and lateral forces common to high-wind regions. These solutions and details are organized by framing condition rather than by metal connector group, and products are listed in order of increasing capacity. Unique to this...

High Wind-Resistant Construction INTRODUCTION For more than 50 years, Simpson Strong-Tie has focused on creating structural products that help people build safer and stronger homes and buildings. A leader in structural systems research and technology, Simpson Strong‑Tie is one of the largest suppliers of structural building products in the world. The Simpson Strong-Tie commitment to product development, engineering, testing and training is evident in the consistent quality and delivery of its products and services. Simpson Strong-Tie® product lines include: • Structural connectors for wood...

High Wind-Resistant Construction Now there is a bolted holdown that offers the low-deflection performance of our pre-deflected holdowns: the HDB. Suitable for installation on or above the sill plate as well as back-to-back and compression applications, the HDB is ideal for shearwalls, braced wall panels and lateral applications. Lateral Truss Anchor The new LTA2 is an embedded truss anchor for grouted CMU and concrete walls that develops high loads with shallow embedment. Designed for 2x4 minimum truss chords, the LTA2 resists uplift and lateral loads parallel and perpendicular to the wall...

High Wind-Resistant Construction VALUE-ADDED SOFTWARE Simpson Strong-Tie offers software solutions to make product selection and specification easier. Visit www.strongtie.com to download your free versions. Connector Selector Finding the right connector just got easier. Input the details of your application and the Simpson Strong-Tie® Connector Selector software suggests appropriate connectors and lists them by their installed cost. The program offers solutions for solid-sawn lumber, I-joists, engineered wood and trusses, and can also take into consideration factors such as wood species and...

High Wind-Resistant Construction CORROSION INFORMATION General Simpson Strong-Tie Recommendations • Outdoor environments are generally more corrosive to steel. If you choose to use ZMAX® or HDG finish on an outdoor project (i.e. deck, patio cover), you should periodically inspect your connectors and fasteners or have a professional inspection performed. Regular maintenance including water proofing of the wood used in your outdoor project is also a good practice. • For wood with actual retention levels greater than 0.40 pcf for ACQ, 0.34 pcf for MCQ, 0.21 pcf for CA-B, 0.15 pcf for CA-C and...

High Wind-Resistant Construction IMPORTANT INFORMATION & GENERAL NOTES WARNING Simpson Strong-Tie Company Inc. structural connectors, anchors, and other products are designed and tested to provide specified design loads. To obtain optimal performance from Simpson Strong-Tie Company Inc. products and achieve maximum allowable design load, the products must be properly installed and used in accordance with the installation instructions and design limits provided by Simpson Strong-Tie Company Inc. To ensure proper installation and use, designers and installers must carefully read the following...

High Wind-Resistant Construction LIMITED WARRANTY Simpson Strong-Tie Company Inc. warrants catalog products to be free from defects in material or manufacturing. Simpson Strong-Tie Company Inc. products are further warranted for adequacy of design when used in accordance with design limits in this catalog and when properly specified, installed, and maintained. This warranty does not apply to uses not in compliance with specific applications and installations set forth in this catalog, or to non-catalog or modified products, or to deterioration due to environmental conditions. Simpson...

High Wind-Resistant Construction FASTENER TYPES Fastener Types and Sizes Specified for Simpson Strong-Tie® Connectors Many Simpson Strong-Tie® connectors have been designed and tested for use with specific types and sizes of fasteners. The specified quantity, type and size of fastener must be installed in the correct holes on the connector to achieve published loads. Other factors such as fastener material and coating are also important. Incorrect fastener selection or installation can compromise connector performance and could lead to failure. In some cases it is desirable to install...

High Wind-Resistant Construction SDS Screws The Simpson Strong-Tie ® Strong-Drive ® screw (SDS) is a 1⁄4" diameter structural wood screw ideal for various connector installations as well as wood-to-wood applications. It installs with no predrilling and has been extensively tested in various applications. The new SDS is improved with a patented new easy-driving 4CUT ™ tip and a corrosion resistant doublebarrier coating. These products are available with additional corrosion protection. Identification on all SDS screw heads These products are also available in stainless steel for premium...