• Professionalizes sub-membrane suction penetrations
  • Provides a clean look and airtight seal at penetration point
  • Creates a 7" high area forming a raised pocket to collect radon gas
  • If piping under the retarder is desired, use the Tee or use 3" flex and route your pipe directly through the 4" Tee
  • For easy connection to the top side of the Tee, use a schedule 4" PVC coupling or a rubber coupling to reduce down to your pipe size (See page 8 for Couplings)
  • © 2009 By Radon Control Inc. (As a Structural Work) 
  • Patent Pending Radon Control Inc 2010