Interlux Paint Ultra-Kote Hard Antifouling Bottom Paint

Interlux Ultra-Kote Hard Antifouling High Copper Bottom Paint

For tough, long-lasting protection, Interlux Ultra Kote delivers a durable, hard finish that resists fouling in high-growth waters. This high-performance Interlux Ultra bottom paint is made to withstand heavy use, making it ideal for powerboats and racing vessels that demand a smooth, efficient hull. Its advanced formula provides excellent adhesion and wear resistance, ensuring season-long antifouling protection. Ultra Kote offers reliable defense against barnacles and algae while maintaining a sleek, fuel-efficient surface. Available in blue, black, green or red.

Protect your vessel with Interlux Ultra-Kote Bottom Paint, formulated to keep your hull free from fouling and optimized for performance. This hard, durable coating provides excellent protection against all types of marine growth, ensuring your boat maintains its speed and efficiency. Ideal for boats in high-fouling areas, Ultra-Kote offers a strong defense, keeping your underwater surfaces clean and smooth season after season.

The Interlux Ultra-Kote is a high performance antifouling paint that is perfect for areas that experience moderate to severe fouling. Designed to provide maximum performance, the high copper hard coating provides excellent long term protection from shell fouling, such as barnacles. Thanks to the fast drying formula Ultra-Koat allows you to paint and launch in the same day. Can be used on Fiberglass, wood, or properly primed still with the addition of color stability for a uniform look. Able to be used in fresh water, salt water, & brackish water.

Note: Green Ultra-Kote (Part Number Y3559U1) is not available to ship to California

Features:

Works on Fiberglass, wood, and steel boats

For use in Fresh water, Salt water, & Brackish water

Fast dry formula

High Copper

Long term protection

Specifications:

Pack Size: US Gallon

Finish: Matte

Recommended usage: All fouling waters

Colors Available: Red (Y3449U), Green (Y3559U), Blue (Y3669U), Black Y3779U

Drying time: Touch dry 1hrs; To launch 8hrs. @73° F

Number of Coats: 2 coats, 3 on bare wood (first coat thinned)

Coverage: 506 ft²/gal

VOC: 327 g/lt

How to Apply Interlux Ultra-Kote Hard Antifouling Bottom Paint

Application Tips

Mixing: Stir or shake contents thoroughly before use

Thinner: Special Thinner 216 or Brush Ease 433

Thinning: Thin only if necessary. Thin no more than 10% (except conventional spray). Use Brush Ease 433 if roller or brush drags during application

Cleaner: Special Thinner 216 or Brush Ease 433

Applicators

Airless Sprayer

Pressure: 170-204 bar/2500-3000 psi

Tip Size: .53mm /21 thou.

Must be thinned 5-10% bu volume with Special Thinner 216

Conventional Spray

Pressure Pot: Pressure : 3.44-4.47 bar/50-65 psi (gun pressure); 10-15 psi (pot pressure)

Tip Size: 1.83-2.2 mm/70-85 thou.

Thin 10-15" with Special Thinner 216 for application by Pressure Pot

Roller

Use a 3/8" nap solvent resistant roller

Surface Preparation

Good Condition

Remove all traces of loose paint & contamination by sanding

Sand using an 80 grit wet-dry sandpaper

Remove sanding residue

Poor Condition

Completely remove all old antifouling paint

For Fiberglass & wood use Interstrip 299E

For Steel sandblast to a near white metal

Bare Fiberglass Preparation

Fiberglass must be properly prepared to prevent delamination

Remove mold release wax using Fiberglass Surface Prep YMA601V or Fiberglass Solvent Wash 202

Fill any surface imperfections with Interlux Watertite

Once surface is properly prepared follow the application system below

Bare Fiberglass - No Sanding System

Clean following the above preparation procedure

Apply one coat of Interprotect 2000E or Fiberglass No-Sand Primer

Following overcoating guidelines for the primer, apply 2 coats of Ultra-Kote allowing appropriate drying times

Bare Fiberglass - Sanding System

Clean fo…