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Gelcoat needs a gun with a large enough fluid nozzle, a clean cup and enough compressor flow for a continuous wet coat. These are general-purpose spray options; confirm nozzle size with the gelcoat maker and use the required respirator and ventilation.
| # | Product | Price | Where to buy |
|---|---|---|---|
| 1 | ES Manufacturing 2 Litre Gelcoat Spray Gun | $250–$400 | Amazon |
| 2 | BANG4BUCK HVLP Gravity Feed Spray Gun | $35–$60 | Amazon · eBay |
| 3 | 3M Accuspray ONE Spray Gun System | $180–$300 | Amazon · eBay |
| 4 | DeVilbiss FLG-678 Spray Gun | $120–$190 | Amazon |
| 5 | TCP Global G6600 HVLP Spray Gun | $45–$75 | Amazon |
| 6 | Astro Pneumatic EVO4014 Spray Gun | $160–$250 | Amazon · eBay |
| 7 | Fuji Spray T-Series 75G HVLP Gun | $200–$300 | Amazon |
| 8 | Eastwood Concours PRO HVLP Spray Gun | $130–$220 | Amazon · eBay |
| 9 | Iwata LPH-400 LVX Spray Gun | $500–$700 | Amazon · eBay |
| 10 | SATAjet 1000 B RP Spray Gun | $700–$1,000 | Amazon · eBay |
The picks, in detail
ES Manufacturing 2 Litre Gelcoat Spray Gun
Purpose-built gelcoat gun with a 3.0 mm stainless nozzle and 2 litre cup.
- 3.0 mm nozzle
- 2 litre cup
- Gelcoat-specific format
- Specialist tool
BANG4BUCK HVLP Gravity Feed Spray Gun
Gravity gun supplied with 1.4, 1.7 and 2.5 mm tips; use the largest supplied tip only if the gelcoat data sheet allows it.
- 1.4/1.7/2.5 mm tips
- 1000 cc cup
- Multiple tip sizes
- 2.5 mm may be too small for some gelcoat
3M Accuspray ONE Spray Gun System
Replaceable atomizing heads make cleanup practical for catalyzed coatings; select a head size approved for the material.
- Replaceable heads
- Disposable cup system
- Fast cleanup
- Heads are consumables
DeVilbiss FLG-678 Spray Gun
Conventional gravity-feed gun with a 1.8 mm fluid tip option, useful for thinner gelcoat or reduced topcoat systems only.
- Gravity feed
- 1.8 mm option
- Established refinishing line
- Confirm viscosity first
TCP Global G6600 HVLP Spray Gun
HVLP gravity gun commonly sold with a 2.5 mm setup for heavier primers and coatings.
- 2.5 mm setup
- Gravity cup
- Large-tip option
- Not a dedicated gelcoat gun
Astro Pneumatic EVO4014 Spray Gun
Professional gravity-feed gun available with larger fluid-tip configurations through the EVO line.
- Gravity feed
- Serviceable gun
- Refinishing-grade build
- Choose setup carefully
Fuji Spray T-Series 75G HVLP Gun
Turbine HVLP gun with a 1.8 mm air cap; suited only to materials it can atomize at that setup.
- 1.8 mm air cap
- Turbine HVLP
- Turbine-system option
- Not for every thick gelcoat
Eastwood Concours PRO HVLP Spray Gun
Gravity HVLP gun available in different nozzle sizes for coating work.
- HVLP
- Interchangeable setups
- Automotive finishing support
- Verify tip and air demand
Iwata LPH-400 LVX Spray Gun
Premium low-volume gun for finish work; use only with a compatible gelcoat or topcoat viscosity.
- LVX atomization
- Gravity feed
- Fine control
- Expensive
SATAjet 1000 B RP Spray Gun
Professional RP gun offered in several nozzle sizes; a shop option when the coating system specifies it.
- RP technology
- Multiple nozzle choices
- Professional support
- High purchase cost
Buying tips
- Strain mixed gelcoat before it enters the cup.
- Test fan pattern on a panel before spraying the part.
- Do not exceed the catalyst or reducer instructions from the gelcoat manufacturer.
As an Amazon Associate and eBay Partner, toptenpick.com earns from qualifying purchases. Prices and availability are subject to change.