Tee Joints

Designed to branch a single duct run into two at a 90-degree angle. GSI tee joints are available in two variations, factory sealed and unsealed. Yellow Union Label manufacturing is standard on these products.

90° Tee Joint

  • Galvanized Steel (ASTM A653 and A924)
  • G-60 Galvanized Coating (ASTM A653 and ASTM A90)
  • Available in Specialty Metals:
  • -G-90 Galvanized Steel
  • -Aluminum (ASTM B209 Alloy 3003 Temper H14)
  • -304 Stainless Steel (ASTM A480 2B Finish)

Free Flow Tee Joint

  • GSI Free Flow Tees are designed and tested to surpass SMACNA Class 3 Leakage Standards
  • Pre-sealed with gasket made of EPDM rubber and proprietary co-polymer
  • Zero VOCs