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

The LDSS ® light-diaphragm spline strap from Simpson Strong-Tie is a tested, economical and easy-to-install alternative to plywood splines for connecting CLT and other mass timber panels.

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

Asia Simpson Strong-Tie (Zhangjiagang) Co. Ltd. No:121 Nanyuan Road South Area of Economic Development Zone Zhangjiagang, 215600 Jiangsu Province CHINA Telephone: +86 512-5635-6100 …

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Engineered for higher load capacity, our new patent-pending HDUE holdown is ideal for meeting the higher design demands of today’s residential wood structures, such as three-story homes with more …

Need to contact Simpson Strong-Tie? Try our Customer Service hub for information on how to get in touch with us.

The complete Simpson Strong-Tie Outdoor Accents ® decorative hardware line featuring ornamental wood connectors and fasteners, brings both beauty and strength to outdoor living structures.

With decades of research and innovation in residential construction solutions, Simpson Strong-Tie offers an unparalleled selection of tested products, advanced software, and other helpful resources for …

From complex infrastructure projects to do-it-yourself ventures, Simpson Strong-Tie offers a wide variety of anchoring products to meet virtually any need. From anchor bolts and concrete fasteners to …