Dry Off Ovens
Dry Off Ovens—Standard or Custom Built for Your Process
No matter what you need to dry after washing we have an oven solution designed for your application. From standard prefabricated Dry Off Ovens to fully custom-engineered industrial ovens, our systems are built around your production requirements, available floor space, part size, and process.
Standard & Custom Dry Off Ovens
We offer a complete line of standard prefabricated powder coating ovens as well as advanced custom-designed ovens for demanding industrial applications.
Custom configurations can include:
- Batch or conveyorized systems
- Conveyor openings
- Raised floors
- Single or dual-entry configurations
- Drive-through designs
- Floor-mounted or roof-mounted heater boxes
- Custom sizes and layouts
- Specialized airflow and heating configurations
Multiple Door Configurations
Choosing the right door system can improve workflow, conserve valuable floor space, and make everyday operation easier.
In addition to traditional swing doors, optional configurations include bi-fold and sliding doors or Roll Seal Oven Roll Up Doors for facilities where floor space is limited.
For applications requiring greater operator convenience, we also offer Roll Seal high-temperature fabric roll-up doors. These premium door systems are designed for easy operation, reduced heat loss, improved energy efficiency, and increased productivity.
Built for Industrial Production
Whether you need a straightforward dry off oven or a completely customized system integrated into a larger finishing line, our team can design and engineer the oven around your process.
Our equipment is engineered for performance, reliability, and long-term durability, with hundreds of our ovens operating in facilities today.
Explore Oven Types
Construction Standards of our powder coating ovens:
- 20-gauge aluminized steel with 4” or 6" Insulated panels
- Steel angle iron frames in all models
- Tongue and groove wall panels to provide a leak-free seal
- 6# mineral wool insulation
- Aluminized steel construction
- 16-gauge aluminized steel ducting
- Explosion relief doors with FM approved latches
- State of the art burners available in natural gas or propane
- Floor track or overhead conveyor compatible
- Floor or roof mounted burner boxes
- Slotted channel design to reduce heat transfer
- Explosion relief doors with FM approved latches
Example Drawings
FAQs
What is a dry-off oven used for in a powder coating system?
A dry-off oven is used to remove and dry water and residual moisture from metal parts after washing or chemical pretreatment. Completely drying the parts before powder application helps prevent flash rust, poor adhesion, bubbling, pinholes and other finish defects. Dry-off ovens are commonly integrated into automated and batch powder coating systems.
What temperature should a powder coating dry-off oven operate at?
Most dry-off ovens operate between 250°F and 350°F, depending on the part material, thickness, geometry, line speed and pretreatment process. The correct temperature and dwell time must completely remove moisture—including water trapped in seams, corners, tubing and recessed areas—without overheating the parts or disrupting production.
How long should parts remain in a dry-off oven?
Dry-off time depends on part mass, configuration, retained water, oven temperature and production cycle time. While lightweight parts may dry quickly heavy fabrications or parts with enclosed or hard-to-reach areas require more time. Paintbooth.com can calculate the required dwell time and size the dry-off oven around your parts, conveyor speed and production goals.
Can trapped moisture cause powder coating defects?
Yes if water remains in seams, welds, tubes, pockets or overlapping metal can turn to steam during curing. This may cause pinholes, bubbles, craters, adhesion problems and premature corrosion. A properly designed dry-off oven uses controlled heat and additional airflow to reach difficult areas and remove moisture before powder is applied.
How is a dry-off oven sized for a powder coating line?
Dry-off oven sizing is based on the largest part, part weight, material thickness, retained moisture, required production rate, conveyor speed and available floor space. The system must provide enough dwell time and uniform airflow to dry every surface. Paintbooth.com designs custom batch and conveyorized dry-off ovens to integrate with washers, powder booths, cure ovens and material-handling systems.