Structural Foam Basins and Covers

Setting a New Standard for Durability

TOPP’s new structural foam basin line – the Evolution E-Series - has been engineered to provide the ultimate blend of durability and design. The result is a rugged structural foam basin with all of the industry leading features you need, at a price you want.

E-series basins are available in diameters up to 30” and accommodate not only Evolution Series structural foam covers but also TOPP epoxy coated steel and non-skid Fiberglass covers as well.

Features Include:

  • All structural foam design provides maximum durability – won’t crack or dent
  • Self-Tapping Lags for cover attachment – No inserts to corrode or protect
  • Dual raised flat pockets for a perfect inlet seal every time
  • Gas Tight for sewage and radon mitigation applications when used with E-Series Cover and Gaskets.
  • Integrated internal stacking ribs allow for perfect stack and nest shipment without sticking
  • E-Series Covers packaged with all necessary inlet grommets for ease of use for the contractor