Simpson Strong-Tie's research and development activities have led to many advances in the building industry. Over the years, the company has not only developed countless products that help ensure structural safety and reduce cost, but it has also created new construction systems to improve the way structures are designed and built.
Here are some of the research initiatives and product innovations that have resulted in higher load values, faster installation, reduced costs and greater structural safety.
Simpson's corrosion research was instrumental in helping develop product solutions when the industry switched to new and often more corrosive formulas of pressure-treated wood. The company was also actively involved in communicating its research and product recommendations to the building industry.
The development of Simpson's first factory-built wood shearwall - the Strong-Wall® was another important milestone. The introduction of pre-fabricated shearwalls not only brought an alternative to site-built walls, but also helped streamline the quality, consistency and performance of shearwalls in the field.
Pioneering the use of structural screws (Strong-Drive® screws) with connectors, not only improved the strength and performance of wood-frame building connections, but also significantly reduced installed costs. Simpson's product change was well-received in the field and within the engineering community.
Simpson's successful testing of epoxy for holdown repair in concrete brought the use of epoxy to residential applications. Prior to that point, epoxy was only used in commercial projects.
Simpson's three-dimensional testing of full-scale buildings continues to help clarify issues regarding allowable resistances of bracing methods under various load conditions.
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