HL-1800 – 24×24″ HiLow Terrazzo Mop Sink

The Stern-Williams HL-1800 HILOW® Series Terrazzo Mop Sink is a durable, high-performance solution designed for commercial cleaning applications. Its drop-front design allows for easy dumping of wastewater from power equipment, reducing strain and improving efficiency.

Constructed from high-strength terrazzo and reinforced with a stainless steel threshold cap, the HILOW delivers long-term durability in demanding environments. A centered drain with a twist-lock strainer ensures efficient drainage, while high side walls help contain splashes.

Available in multiple sizes with optional accessories, the HILOW is ideal for institutional, commercial, and industrial facilities requiring a reliable, ergonomic mop sink solution.

Product Numbers for the HILOW:

Model HL-1800

  • 24″ x 24″
  • Stainless steel cap on threshold


Model HL-1810

  • 24″ x 24″
  • Stainless steel cap on all sides

Terrazzo composed of pearl gray marble chips cast in white Portland cement which produces a compressive strength of 3000 PSI seven days after casting; then ground smooth, grouted and sealed to resist stains and moisture

6″ drop front with stainless steel cap

Drain is centered on all models and comes with a twist lock stainless steel strainer 

Installs on the finished floor – see instructions for details

Product Variations:

HL-1900 32×32″ HiLow Terrazzo Mop Sink

HL-2100 36×24″ HiLow Terrazzo Mop Sink

Product Type Mop Sink
Dimensions 24 × 24″
Material Terrazzo
Product Features 10″ Depth, Square Bowl, 6″ Drop Front
Applications Hospitals, Office Buildings, Educational Buildings, Government Facilities, Restaurants, Hospitality, & Other Commercial/Institutional Buildings