At PaintBooth.com, we specialize in designing and installing industrial paint booths built specifically for the large-scale coating needs of data center backup generators. Whether you’re coating diesel generator housings, sound-attenuated enclosures, or metal frames, our booths offer the airflow, filtration, and compliance you need to deliver flawless finishes—every time.
We engineer booths for generators of all sizes—ranging from 5MW diesel backup units to multi-container enclosures. Common dimensions include:
Oversized crossdraft & downdraft configurations
Drive-thru or roll-up access doors
20’ to 80’ length capabilities
Double-wide or side-by-side generator capacity
These booths are designed for maximum throughput and long-term performance, supporting both wet spray and powder coat systems.
Each booth is manufactured to meet or exceed:
NFPA 33 standards for spray application
OSHA safety regulations
EPA requirements for emissions control
UL listed components and control panels
Our booths are equipped with high-efficiency exhaust and HEPA filtration, making them safe for even the most sensitive industrial coatings.
From permitting to paint-ready, we handle every step:
Site survey & layout planning
Concrete & electrical prep
Booth assembly & commissioning
Startup training & ongoing maintenance
Our in-house team—the largest factory-trained installation crew in the U.S.—ensures seamless execution from day one.
Generator coatings often require precise application conditions. That’s why we offer integrated Air Makeup Units (AMUs) with:
Heated airflow
Pressurized environments
Smart thermostatic controls
Humidity control options
Whether you’re coating in cold winters or high-humidity summers, your booth stays consistent.
Our systems support a wide range of finishing types:
Powder coating booths for chip-resistant durability
Liquid spray systems for fast, flexible finish
Curing ovens & flash tunnels
Mixing rooms & safe chemical storage
We also build modular prep stations and blast rooms to support full-surface treatment cycles.
Data centers are turning to PaintBooth.com for reliable, high-capacity booths capable of finishing critical backup systems. With over 25 years of experience serving industrial and OEM clients, we’ve delivered:
Generator booth systems for top U.S. data centers
Booths capable of 24/7 operation
Maintenance plans tailored for high-output shops
We understand the urgency and scale of your operation—and we deliver.
Our team is ready to help you spec, design, and build the perfect booth for your backup generator operation. Let us know your size requirements and finish goals, and we’ll put together a proposal.
📞 Call us at 1-800-637-4027
📧 Email sales@paintbooth.com
What size booth do I need for a backup generator?
It depends on the generator model, but most of our clients use 30–60 foot booths with high clearance and ventilation.
Do you offer powder coating options?
Yes, we offer powder coat booths, reclaim systems, and curing ovens.
Can you help with permitting?
Absolutely. We handle permitting and code compliance as part of our turnkey services.
How long does installation take?
Most booths are installed in 3–5 weeks depending on site readiness.
There are many applications for paint booths in the automotive and manufacturing industry. The basic variations depend on if you want an open or closed booth to filter incoming and outgoing air or only exhausted air. The equipment you are painting and the space you are working within are the major factors that will determine what kind of booth to install.
Part of the booth design is the air flow. Whatever degree of air filtration and type of air composition you want, there is an air makeup unit for your operation. It all comes down to controlling the air flow both in and out of the booth with the correct pressure, temperature and timing. Proper air flow consistently keeps dust and dirt out so you can maintain perfect finished results and low energy costs.
There are many applications for paint booths in the automotive and manufacturing industry. The basic variations depend on if you want an open or closed booth to filter incoming and outgoing air or only exhausted air. The equipment you are painting and the space you are working within are the major factors that will determine what kind of booth to install.
Part of the booth design is the air flow. Whatever degree of air filtration and type of air composition you want, there is an air makeup unit for your operation. It all comes down to controlling the air flow both in and out of the booth with the correct pressure, temperature and timing. Proper air flow consistently keeps dust and dirt out so you can maintain perfect finished results and low energy costs.
The degree of air quality you want to achieve in your work space will determine if you need an open or closed booth model and why type of airflow. Automotive painting requires a very clean working environment because the smallest pieces of dust can ruin a finish—which means lots of time wasted in wet sanding and buffing the vehicle to remove the dirt. While industrial equipment may be more tolerant of imperfections, many shops require paint booths that are positive pressure so the booth does not pull in any contaminants from the shop. However, if you have a dedicated room for spraying that is separated from activities that produce dust or debris, you may be able to get a less expensive open-sided booth.
There are two sets of dimensions to consider when preparing to buy a spray paint booth: internal and external.
Internal dimensions are based very simply on the largest part or product you need to paint. Measure the width, length, and height of the item, then add at least three feet on each side to give your workers space to move around. If you use an automated spraying system, you may need to allow even more space for the machinery to operate. This will give you the minimum dimensions you need inside your spray booth.
The external dimensions are limited by the room where your booth will be housed. Typically, spray booths are placed within existing buildings, so they must fit between existing walls and support columns and below overhead obstacles. Measure the available space to determine the maximum external dimensions you can accommodate.
There are two sets of dimensions to consider when preparing to buy a spray paint booth: internal and external.
Internal dimensions
are based very simply on the largest part or product you need to paint. Measure the width, length, and height of the item, then add at least three feet on each side to give your workers space to move around. If you use an automated spraying system, you may need to allow even more space for the machinery to operate. This will give you the minimum dimensions you need inside your spray booth.
The external dimensions
are limited by the room where your booth will be housed. Typically, spray booths are placed within existing buildings, so they must fit between existing walls and support columns and below overhead obstacles. Measure the available space to determine the maximum external dimensions you can accommodate.
In general, paint booths are sold by internal dimensions as that’s usually the most important measurement. Standard booths are offered in two-foot internal increments but can be customized to fit your needs.
Once you know what size booth you need and the type of airflow you want, you’ll have to consider several other options, including air make-up units, lighting, and safety features.
Adding a spray booth inside your plant or shop can wreak havoc with your HVAC systems. Consider that small booths can have a negative airflow of 10,000CFM, while larger booths can reach 50,000 CFM or more. All the air being pulled into the booth and vented to the outside has to come from somewhere—which is why we suggest a heated air make-up unit to maintain a positive pressure in your booth for a cleaner painting environment.
Without an air make-up unit, air is being drawn from the rest of your building. As the pressure inside starts to drop, outside air will be sucked in through every tiny gap and crack in the walls to replace it. If you’re heating or cooling your building, the difference in temperature will substantially increase your gas and electric costs, and doors will be difficult to open due to the negative pressure created by the exhaust fan.
Adding a spray booth inside your plant or shop can wreak havoc with your HVAC systems. Consider that small booths can have a negative airflow of 10,000CFM, while larger booths can reach 50,000 CFM or more. All the air being pulled into the booth and vented to the outside has to come from somewhere—which is why we suggest a heated air make-up unit to maintain a positive pressure in your booth for a cleaner painting environment.
Without an air make-up unit, air is being drawn from the rest of your building. As the pressure inside starts to drop, outside air will be sucked in through every tiny gap and crack in the walls to replace it. If you’re heating or cooling your building, the difference in temperature will substantially increase your gas and electric costs, and doors will be difficult to open due to the negative pressure created by the exhaust fan.
An air make-up unit solves this problem by providing a clean direct source of air for the booth. The air make-up unit pulls in outside air through a dedicated vent, heats it if necessary, and supplies the resulting air directly to the intake filter.
Air make-up units add quite a bit to the initial purchase price of a spray booth – frequently more than the booth itself. However, to avoid serious air quality problems and uneven heating or cooling, they are worth the expense. Whatever type of finish you are applying will be greatly improved.
All Our Booths NOW Have LED Lighting!
Fixtures are Maintenance-Free rated for Class I Division II Groups A, B, C, D; Class II Division II Groups F & G. Fixtures are ETL listed and approved for their intended use and placement. Lighting is provided by innovative LED technologies consisting of multiple high efficiency flux boards paired with high efficiency drivers. Fixtures are designed to accept either 120VAC or 277VAC power. Drivers and boards carry a 5-year limited warranty. To find out more about LED light fixtures, please click here.
Operators of spray paint booths are required to comply with a several federal, state, and local regulations to protect both employees and the environment. These rules vary quite a bit, but the most important aspect to remember is that your local regulations trump any others. Many states will require an ETL listing on the booth and may require a wet stamp from an engineer, which can range from $750 to $2,000. So be sure to ask your supplier the right questions. If you need help please give our booth specialists a call at 1-800-637-4027.
Meeting with your local fire marshal or building inspector is the most important step in compliance. The vendor you choose should be able to provide general guidelines and as much help as possible. Local authorities generally have the final word on what type of installation, safety equipment, and operating procedures are required.
Operators of spray paint booths are required to comply with a several federal, state, and local regulations to protect both employees and the environment. These rules vary quite a bit, but the most important aspect to remember is that your local regulations trump any others. Many states will require an ETL listing on the booth and may require a wet stamp from an engineer, which can range from $750 to $2,000. So be sure to ask your supplier the right questions. If you need help please give our booth specialists a call at 1-800-637-4027.
Meeting with your local fire marshal or building inspector is the most important step in compliance. The vendor you choose should be able to provide general guidelines and as much help as possible.Local authorities generally have the final word on what type of installation, safety equipment, and operating procedures are required.
The safety features you may need include a fire suppression system, either dry chemical or water-based, depending on the substances being used in your application. There may be specific airflow requirements based on the type of spraying you do and the size of the booth. And you’ll have to comply with standard regulations concerning electrical wiring and fire exits.
Here is a list of some available options:
These are just a few examples of the available options for you.
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