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Services · Double D Mechanical

Paint Booth Exhaust Ductwork

Paint booth exhaust ductwork carries overspray-laden air or process exhaust away from the booth, blast area or finishing system. Double D Mechanical installs and relocates exhaust ductwork with attention to airflow, fan placement, roof or wall routes, make-up air coordination and access for service.

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Duct Routes That Fit the Building

Exhaust ductwork has to work around roof structure, walls, columns, cranes, sprinklers, lights and nearby production equipment. The route should be practical to install and inspect, with enough clearance for hangers, transitions, cleanouts and fan connections.

Fan Placement and Discharge Points

Fan location affects duct length, service access, noise, roof penetrations and how exhaust leaves the building. Planning should also consider weather exposure, stack location, surrounding intakes and the path technicians will use to reach the fan later.

Air Balance With Make-Up Air

Exhaust ductwork cannot be planned in isolation. The air removed by the booth needs a controlled replacement path so the building does not pull air through doors, offices or dirty process areas. Make-up air equipment, intake locations and booth airflow should be reviewed together.

Relocation and Retrofit Considerations

When existing booth ductwork is moved or replaced, field conditions often drive the final approach. Existing roof openings, fan bases, duct supports, utility conflicts and booth orientation should be documented before removal or new installation begins.

Project questions

Frequently asked questions

What information is needed to plan paint booth exhaust ductwork?

Booth drawings, exhaust volume, fan data, building height, roof or wall conditions, utility conflicts and photos of the proposed route are useful.

Can existing ductwork be reused during a booth relocation?

It may be evaluated, but fit, condition, size, route, support locations and connection points need to be reviewed before reuse is planned.

Why does make-up air matter when installing exhaust ductwork?

Exhaust removes air from the building. Without a controlled replacement path, the booth may pull air from undesirable areas and affect building pressure.

Where should the exhaust fan be located?

Fan location depends on the booth design, duct route, roof or wall options, service access, structure and discharge requirements for the facility.

What access should be preserved around ductwork?

Maintain access to fans, dampers, cleanouts, roof curbs, supports, booth connections and any equipment that may need inspection or service.

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