Downdraft Paint Booths for North Carolina Equipment Builders
When the workpiece is a boom, a cab or a counterweight, it does not fit neatly into a small booth, and it is heavy enough that whatever floor it sits on has to carry it. Downdraft booths built for equipment work solve the finish problem by pulling air vertically past the part. Double D Mechanical installs and connects them for North Carolina plants, with the grates, exhaust plenum and make-up air designed around real part weights.
Discuss your installationEquipment Manufacturing in the Piedmont Triad
Deere's excavator plant in Kernersville is one marker of heavy equipment production in the Piedmont Triad. Excavator components are thick steel, coated in durable finishes, and handled with cranes or heavy carts. Fabricators that feed that kind of production run parts that range from small brackets to large weldments, and the booth has to fit the biggest of them without wasting air on the smallest.
Grates, Loads and Part Carts
Floor grates over the exhaust plenum have to carry the part, the cart or fixture, and any equipment that rolls onto them. For heavy equipment parts that load can be well beyond what a collision repair booth sees. We confirm grate ratings, support framing and the path a loaded cart takes from the door to the paint position before setting the booth.
- Wheel loads from carts, dollies or forklifts crossing the grates
- Where parts will be hung, set on stands or rotated during spraying
- Overhead crane or hoist clearance above the ceiling plenum
- Door width and height for the largest weldment you expect
Ductwork and Roof Coordination
Supply air enters through the ceiling and exhaust leaves from below, so a downdraft booth has ducts running to both the roof and the floor plenum. On a pit design the exhaust duct turns up from below grade, which affects where the fan sits and how long the run is. We route ducts to keep runs short, avoid structural members, and leave access to dampers and fan bearings.
Moving an Existing Booth
Plants that expand or consolidate often want to move an existing downdraft booth rather than buy new. We take it apart with every panel, light fixture and duct section tagged, inspect fans and make-up air components during disassembly, and reinstall at the new location with new floor exhaust work and fresh balancing. Relocation is also a good time to replace worn filters, seals and door gaskets.
Planning a booth or oven project in North Carolina
Crews mobilize from Houston; North Carolina is roughly 950 miles away, so equipment, panels and tooling are staged and shipped ahead of the install crew.
Manufacturing in North Carolina is concentrated around Charlotte, Raleigh and Durham, Greensboro, and Winston-Salem. The sectors most likely to be specifying spray booths, blast rooms, powder systems and cure ovens there include aerospace, automotive and EV, furniture, and heavy trucks.
Hot, humid summers and mild winters put the emphasis on make-up air cooling or tempering, filter change schedules and keeping intake away from loading doors.
Frequently asked questions
How heavy a part can sit on downdraft grating?
It depends on the grate design and the framing under it. For heavy equipment parts we confirm the grate and support ratings against your actual part and cart weights before installation.
Can the booth work with an overhead crane?
Yes, but the ceiling plenum and light fixtures sit where a crane would normally travel. Some plants load parts outside the booth on carts; others use booths designed with a crane slot. We look at your handling before deciding.
What utilities does a downdraft booth need?
Electrical service for fans, lights and controls, gas for a heated make-up air unit, and often compressed air for spray equipment. Fire protection tie-ins are coordinated with your fire protection contractor.
Can you move a booth between two North Carolina sites?
Yes. We disassemble the booth, coordinate with whoever handles transport, and reinstall the booth with new floor exhaust work and utility connections at the new site.
How long does the cabin take to balance after installation?
Balancing happens once all supply and exhaust equipment is running. We adjust dampers and fan settings until the cabin holds the pressure and airflow the booth maker specifies.