AirBoss 300 Pro – Seal Coat Spray System
$22,049.00
The AirBoss 300 Pro Model delivers professional sealcoating capability for starting contractors.
Key Specs:
- 300-gallon tank capacity
- Hydraulic auto agitation
- 8.8 CFM @ 90 PSI compressor
- 6.5-9 HP Kohler engine (manual pull start)
- Covers 3,000-5,000 sq ft daily
- Minimal water storage
- Perfect for seal coating jobs up to 200,000 sq. ft
- Tote Mixer & Transfer kit included
Pump & Spray System
- 1.5″ diaphragm pump
- 100 ft. spray hose length
- Hose reel with manual hand-crank
- Standard spray gun with 5 sizes of spray tips
- 3 Gallon Basket Strainer w/ 2 sizes of filters
Upgradable trailer mounted options
- 7K axel trailer and standard deck package A – 40″ x 67″ steel checker plate deck with rails, 6 recessed deck tie down points
- 7K axel trailer and standard deck package B – 40″ x 67″ steel checker plate deck with rails, 6 recessed deck tie down points, 66″ x 38″ mesh ramp
- 7K axel trailer and standard deck package B – 40″ x 67″ steel checker plate deck with rails, 6 recessed deck tie down points, 66″ x 38″ mesh ramp with spring assist, 30 gallons storage with water pump, and 50′ of water spray hose
Best For: Residential contractors, starting businesses, residential driveways, small parking lots
Call to order or ask about cost to upgrade to trailer mounted system options
** AirBoss Pro sealcoat sprayers are made to order. Typical ship timeline is 14 days
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Description
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Operating the AirBoss 300 Hydraulic Sealcoat Spray System
Essential Tools and Safety Equipment
To ensure safe and efficient operation, gather the following:
- Personal protective equipment (PPE): Heavy-duty gloves, safety glasses or goggles, steel-toed boots, and high-visibility clothing.
- Surface preparation tools: Industrial blower, push broom, or power broom for removing loose debris.
- Sealer supply: Asphalt emulsion sealer in drums, totes, or bulk tanks.
- Optional but recommended: High-pressure surface cleaner or degreaser for stubborn oil spots and contaminants.
Step-by-Step Application Process
For professional-grade results on large commercial surfaces, follow these steps with your AirBoss 300:
- Prepare the pavement thoroughly Clear all loose debris, dust, dirt, and vegetation using a blower or heavy-duty broom. For optimal adhesion, clean oil stains and treat any cracks or repairs first. A clean, dry surface is critical for uniform coverage and long-lasting protection.
- Fill the tank Load your mixed asphalt sealer (with any required sand or additives) into the 308-gallon heavy-duty tank.
- Start the engine and agitation Start the reliable Kohler engine, then engage the hydraulic agitation system to keep the sealer perfectly blended and prevent settling.
- Prime the pump Activate the air-operated pump and prime the system to ensure smooth flow through the lines.
- Apply the sealer evenly Use the 100-foot hose and professional spray wand to apply the material in overlapping passes. Maintain a consistent wand height (typically 12–18 inches from the surface) and steady pace for a smooth, even finish.
- Maintain agitation throughout Keep the hydraulic agitation running continuously during application to ensure consistent mixture and prevent clogs or separation.
Expert Tip: Work in short, controlled passes and overlap each spray by about 50% to achieve the smoothest, most professional-looking coverage without streaks or thin spots.
For superior surface prep on every job, consider investing in contractor-grade asphalt brooms or power sweepers.
Storage and Maintenance Guidelines
To extend the life of your AirBoss 300 and keep it ready for the next project:
- Storage temperature Store the unit and any remaining sealer in a protected area between 40°F and 90°F to avoid freezing or overheating issues.
- Post-job cleaning Thoroughly flush the pump, hose, wand, and tank lines with water after every use to remove all residue and prevent buildup.
- Lubrication Regularly grease bearings, hydraulic components, and other moving parts, especially before extended storage periods like winter.
- Trailer model tip If your system is trailer-mounted, drain all water tanks and lines completely before temperatures drop below freezing to prevent damage.
Proper maintenance ensures reliable performance season after season. For additional equipment like crack fillers or accessories, explore our full range of professional sealcoating solutions.
Daily Maintenance
- Oil changes per engine manufacturer specifications
- Drain compressor moisture regularly
- Inspect air filter
Seasonal
- Seasonal pump inspection and cleaning
- Manual models: inspect foot pedal
- Hydraulic models: check hydraulic fluid
Storage
- Inspect hose for cracks
- Store hose protected when not in use
- Clean tank at end of season

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