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Technical Services

Technical Service Contact Information

ClarkDietrich's Technical Services provides immediate response to engineers, architects, contractors and builders, ranging from general questions to detailed specification requirements. Examples include questions about industry standards such as AISI, ASTM or SFIA, standard details and limited member sizing. Our technical service department also provides support for SubmittalPro, our online product submittal system, and ClarkDietrich iTools.

For quicker and more accurate member sizing for Curtain Walls, Floor Joists and Opening Framing: Use our Sizing Webforms or Sheets below. You should typically expect to receive a response within one working day.


Curtain Wall Sizing (New Sizing Webform)

Floor Joist Sizing (New Sizing Webform)

ClarkDietrich iTools  RedHeader PRO and HDS Opening Framing Lookup Tool

  • Interactive user filters for opening type and design requirements
  • Checks systems that work together as required by design
  • Creates a Design & Submittal Package​​

RedHeader PRO and HDS Opening Framing Sizing (New Sizing Webform)

custom submittals:

Need a custom submittal for a product that's not in SubmittalPro?