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Bringing unmatched products and service to mass timber.

With over 60 years of leadership in structural engineering, Simpson Strong-Tie is now proud to offer smart solutions for mass timber. As the first North American — based company to embrace the challenge, we're leveraging our dual passions of service and innovation to meet this industry's unique demands.

From our rigorously tested products that provide design flexibility, to a nationwide supply network that delivers exactly what you need, when you need it — our expertise and dedication ensure that mass timber builds faster, easier and stronger than ever.

Browse Cross-Laminated Timber / Mass Timber Products

Look through our entire line of mass timber products.

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Cross-Laminated Timber (CLT) and Mass Timber Construction Products

Find product solutions that save industry professionals delivery time and time on the jobsite — while providing the strength, flexibility and reliability they expect from Simpson Strong-Tie.

Structural Fasteners and Fastening Systems

Structural Fasteners and Fastening Systems

Simpson Strong-Tie offers a wide selection of fully-threaded and partially-threaded screws for mass timber construction.

Strap Ties

Strap Ties

Make mass timber diaphragm connections a breeze with our line of tension straps and splines.

Beam Hangers

Beam Hangers

Support your projects with our wide selection of concealed and exposed beam hangers.

Angle Brackets

Angle Brackets

Connect mass timber panels to each other or to concrete slabs.

Adhesive Anchors

Adhesive Anchors

Attach mass timber structures to concrete with our adhesive anchorage solutions.

Mechanical Anchors

Mechanical Anchors

Attach mass timber structures to concrete with our mechanical anchorage solutions.

Strong-Rod Systems

Strong-Rod Systems

Our high-performance Strong-Rod systems are code listed for securing mid-rise, wood-framed buildings against forces caused by seismic and wind events.

Speak with an Engineer

If you’d like additional information or wish to speak with an engineer, please call (800) 999-5099.