roof ventilators

BSD53 Roof Ventilator


Low Profile Upblast Roof Ventilator, Direct Drive (Commercial)


The BSD53 low profile upblast roof ventilator provides cost-effective, general purpose ventilation of commercial buildings, with a pleasing low profile design that minimizes extension above the roof line. This unit is designed to exhaust large volumes of air at low to medium static pressures. Typical applications for upblast roof ventilators include warehouses, shopping centers and manufacturing facilities.

Sizes (impeller diameters)

  • 14 to 48 inches (355 mm to 1,220 mm)


  • Airflow to 36,300 CFM (61,700 m3/hour)
  • Static pressure to 1 inch w.g. (250 Pa)