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The FANTECH 47228 is a fixed, ventilated roof curb constructed from galvanized steel, designed to provide a weather-tight, structurally sound base for rooftop ventilation equipment. Standing 24 inches tall with a length of 32.5 inches, this curb elevates fans, exhausters, or HVAC units above the roofline to support proper drainage and airflow clearance. The galvanized steel construction resists corrosion in outdoor rooftop environments. HVAC and sheet metal contractors install this curb as part of rooftop ventilation system buildouts in both new construction and retrofit applications.
This roof curb is suited for commercial and industrial rooftop installations where a fixed-height mounting platform is required for ventilation equipment. The ventilated design supports continuous airflow while maintaining a secure, stable base. It is typically installed on flat or low-slope roofing systems beneath compatible rooftop fans or exhaust units. Proper flashing and sealing at the roof deck level is standard practice for this type of installation.
Designed as an OEM-style rooftop mounting solution for fixed-mount ventilation fans and exhaust units requiring a 32.5 inch curb platform.
Roof curbs of this type are installed by licensed roofing contractors or HVAC sheet metal technicians following local building codes and manufacturer guidelines. The roof deck must be properly reinforced to support the combined weight of the curb and mounted equipment. All curb perimeter joints should be fully flashed and sealed to prevent water infiltration before equipment is set. Verify rooftop equipment footprint dimensions against the curb opening prior to installation.
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