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Fastening Deck to Steel Joists and Beams

Mechanical deck fastening alternative to puddle welding

Traditionally, arc spot puddle welding has been specified for this application, but there are many limitations to welding roof and floor deck panels. The biggest limitation affecting the optimal performance of puddle welds is the time required to hold the arc. Studies have shown that if the welder holds the arc less than 8.1 seconds, the weld will have a reduced capacity.

Hilti’s innovative mechanical fastening system for attaching steel deck to bar joist or structural steel beams provides a reliable and productive solution. Mechanical fastening systems are code compliant alternatives to puddle welds that offer many advantages to the building owner, designer and installer. Frame fastening systems consist of powder-actuated fasteners or screw fasteners for attaching a wide variety of steel deck profiles to structural steel and open web steel joists / bar joists. 

fastening system for deck/bar joist to structural steel beams

Solutions for Deck Attachment to Joist or Beam

Specification Resources

PROFIS DF Diaphragm Design Software
PROFIS DF Diaphragm Design Software

With PROFIS DF Diaphragm software, you can quickly select fasteners, sidelap screws and other components and then calculate diaphragm shear and other variables to find the best solution for your application.

Learn more about PROFIS DF Diaphragm
Request a decking submittal
Request a Submittal

Let the technical specialists at Hilti prepare a steel roof deck or concrete-filled floor deck submittal for your project. We’ll show you how a Hilti mechanical fastening system can satisfy your specification—and exceed your expectations.

Request a decking submittal
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