Welcome Newmarket Pre-cast Concrete Products

Newmarket Pre-Cast has been in business serving southern Ontario since 1970. We specialize in septic tanks, holding tanks, oil & grease interceptors, syphon/pumping chambers, storage sheds and retaining walls. The business was originally started in Newmarket, Ontario by Roy Weddel, Brian’s father, started in the business by installing septic tanks for customers, and by providing exceptional customer service. In those, days it was the supplier who told the customer when and if they could deliver and install their septic tanks.


  • Garage Catch Basin
  • Model 3600 Holding 1 Piece Unit
  • Small Distribution Box
  • Model 13500 Holding 2 Piece Unit
  • Model 9000 Septic 1 Piece Unit
  • 2250 Pump Chamber
  • Model 5900 Septic 1 Piece Unit
  • Model 36000 Fire/Water Storage Tank
  • Model 18000 Fire/Water Storage Tank
  • Model 36000 Septic 2 Piece Unit