Trust Your Inner Roof

The DISCUS OpenRaft™ welded aluminum internal floating cover.

No enclosed spaces. New seal technology. Full contact. Fully welded seams.
More storage. Less evaporation. More tank uptime. Strong as steel.
Patented. And proudly made in America.

Discus Engineered Products

Trust Your Inner Roof

The DISCUS OpenRaft™ welded aluminum internal floating cover.

No enclosed spaces. New seal technology. Full contact. Fully welded seams.
More storage. Less evaporation. More tank uptime. Strong as steel.
Patented. And proudly made in America.

Providing the petrochemical industry with the safest, strongest, lowest emission cover.
We design, install, and support the most trustworthy product on the market.

  • SAFEST — impossible to trap any vapors
  • STRONGEST — 2.5x stronger, designed like a steel roof
  • CLEANEST — lowest emissions floating roof
  • Low evaporation loss — no drains
  • More tank storage — low profile
  • More tank uptime — topside inspections
  • Exceeds EPA standards — Lowest Achievable Emissions Rate
  • BACT / RACT compliant — non-welded IFR option
  • Exceeds API standards — designed to steel specs
  • Project leadership — deep industry experience

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