Interlux Trilux 33 Antifouling Bottom Paint
For reliable antifouling on aluminum and fiberglass boats, Trilux 33 delivers outstanding multi-season protection. This advanced Trilux 33 antifouling paint features a slow-polishing formula that minimizes buildup while keeping hulls smooth and fuel-efficient. Ideal for outboards, sterndrives, and aluminum hulls, its copper-free formula prevents galvanic corrosion, making it a top choice for metal surfaces. It provides long-lasting defense against marine growth in both saltwater and freshwater environments. Easy to apply and highly effective, Trilux 33 ensures your boat stays cleaner, longer. Available in blue, green, red, or gray.
Features:
- Considered the safest, most effective antifouling paint for use on aluminum boats, outdrives, and outboards.
- For use on fiberglass, wood, and all underwater metal surfaces.
- Exclusive Biolux Technology blocks slime.
- Slow polishing formula to avoid seasonal paint build-up
- Available in a range of bright colors
Specifications:
- Finish: Low sheen
- Number of Coats: 2
- Coverage (Approx): Brush/roller - 399 ft²/gal | Spray - 266 ft²/gal
- VOC: 390 g/lt.
- Colors: YBA060 Blue, YBA063 Black, YBA068 White
- Sizes Available: 1 US Quart, 1 US Gallon
Associated Products:
Interlux Special Thinner: Thinning and cleaning on bare wood
Interlux InterProtect: Epoxy barrier for blister protection and priming
Interlux Fiberglass Solvent Wash: To clean bare fiberglass prior to application
Apply the product to clean, dry, and properly prepared surfaces only. Prime metal surfaces with InterProtect or Primocon. Trilux bottom paint should NOT be applied to tin-based paint such as Micron 33. Use at least two coats of Trilux 33 for optimal results.
- Application Method: Brush, roller, airless or conventional spray.
- Number of Coats: 2 minimum
- Dry Film Thickness per Coat: 2 mils (3.6 wet mils)
- Coverage: 443.7 sq. ft/gal.
- Application Temp: 41° F. Min. / 95°F. Max.
- Thinner: Special Thinner 216
DRY TIMES:
| Temp |
To Touch |
To Recoat |
To Launch |
| 95°F |
2 HR |
5 HR |
10 HR |
| 73°F |
3 HR |
6 HR |
12 HR |
| 50°F |
6 HR |
20 HR |
30 HR |
Surface Preparation
- Bare Aluminum
- Sand with medium grit emery cloth to a bright metal finish. Wipe clean.
- Apply one very thin coat of Vinyl-Lux Primewash 353-354.
- Prime with InterProtect 2000E/2001E.
- Note: on sandblasted aluminum, the Viny-Lux Primewash can be omitted if priming with InterProtect the same day as blasting.
- Apply two coats of Interlux Trilux 33 Antifouling Bottom Paint
- Factory Finished Aluminum
- Prime with Primocon
- Apply two coats of Interlux Trilux 33
- Bare Fiberglass
- Scrub well using soap and water and a stiff brush. Rinse with fresh water.
- Wipe a small area with a clean rag that has been wetted with Fiberglass Solvent Wash 202.
- While the surface is still wet, wipe with a clean, dry rag. Continue this process until the entire surface has been cleaned.
- No-Sand System:
- Apply one thin, continuous coat of Interlux Fiberglass No-Sand Primer.
- Sanding System:
- Sand with 80 grade paper. Remove sanding residue.
- Wipe with Fiberglass Solvent Wash 202.
- Bare Wood
- Sand with 80 grade paper.
- Clean with 216 Thinner.
- Apply the first coat reduced by 10% with Special Thinner 216.
- Fill seams, if necessary, with Seam Compound Brown 30.
- Epoxy Coated Wood
- Begin by scrubbing well using soap and water and a stiff brush.
- Sand with 120 to 180 grade paper.
- Remove sanding residue.
- Wipe with Fiberglass Solvent Wash 202.
- Prime with Interprotect 2000E/2001E.
- Previously Painted Surfaces
- With Interlux Trilux 33 Bottom Paint:
- Sand with 80 grade paper.
- Other antifoulings:
- Sand surface and wipe clean.
- Prime with Primocon.
- Remove antifouling paint in poor condition with Interstrip Semi-Paste 299E.
Application Tips:
- Airless spray pressure should be 170-204 bar/2500-3000 psi. Use tip size 0.53 mm/21 thousand.
- For conventional spray, pressure pot pressure should be 3.44-4.47 bar/50-65 psi (gun pressure); 10-15 psi (pot pressure).
- Conventional spray tip size should be 1.8-2.2mm/70-85 thou.
- Bare wood applications should get 3 coats of Interlux Trilux 33.
Click to Download Interlux Trilux 33 Application Instructions
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
