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Top 7
August 2025
Best Bottom Paint For Fiberglass Boats Black
We made a list of the top 7 Bottom Paint For Fiberglass Boats Black based on verified reviews, popularity and other factors which we summarized for you in this list.
Best Choice
1
Rust-Oleum, Black, 207006 Marine Topside Paint, 1-Quart, 32 Fl Oz (Pack of 1)
Rust-Oleum
9.2
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✓
Ideal for use on fiberglass, wood or metal surfaces above the waterline
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Oil-based formula is flexible and applies easily with excellent leveling
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Dries to the touch in as little as 1 to 2 hours and covers up to 100 sq ft
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Durable coating resists abrasion and extreme weather conditions and provides long-lasting UV protection
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Superior gloss retention and smooth finish help maintain the beauty and elegance of your surfaces
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10% Discount
2
Interlux YBB379/1 Fiberglass Bottomkote NT Antifouling Paint - Black, Gallon
Interlux
9.0
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✓
Optimizes the benefits of hard and ablative paints through a unique Dual Resin approach
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Coating prevents premature wear-through yet a slow polishing action minimizes unnecessary paint build-up
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Surface continuously smoothes with use, providing a fast, fuel efficient coating
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Cost effective choice for all power and sail boats and in all waters
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Paint Color: Black
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Flash point: 27.0 degrees_celsius
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3
TotalBoat - 413458 Krypton Copper Free Antifouling – Marine Ablative Boat Bottom Paint | For Fiberglass, Wood, Aluminum & Steel Boats | Ideal for Outdrives & Trim Tabs (White, Gallon)
TotalBoat
8.8
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✓
HIGH-PERFORMANCE MARINE ANTIFOULING BOAT BOTTOM PAINT provides superior single-season protection against barnacles, weeds, algae & slime in fresh water, salt water, and brackish water
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COPPER FREE FORMULA won't cause galvanic corrosion on aluminum boats, outdrives and trim tabs; copper-free paint also means colors are much brighter than bottom paint that contains copper biocide
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FOR USE ON FIBERGLASS, WOOD, STEEL, IRON & ALUMINUM BOATS below the waterline only; haul and relaunch without losing the effectiveness of the biocide
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EASY TO APPLY: For brushing, use a high-quality, natural bristle brush; for rolling, use a 3/16” nap or foam solvent-safe roller cover; if needed, thin with TotalBoat Special Brushing Thinner 100 (brushing/rolling) or TotalBoat Spray Thinner 101 (spraying)
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AVAILABLE IN FIVE BRIGHT, VIBRANT COLORS: Blue (Quart & Gallon), Black (Quart & Gallon), White (Quart & Gallon), Green (Gallon only), and Red (Gallon only); Coverage: 500 sq. ft. per gallon; after applying, there’s no maximum dry time before launch
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4
TotalBoat JD Select Ablative Antifouling Bottom Paint for Fiberglass, Wood and Steel Boats, Black, 1 Quart (Pack of 1)
TotalBoat
8.4
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✓
ANTIFOULING PAINT FOR BOATS: Unique hybrid paint film keeps barnacles, weeds and slime from clinging to the bottom of your power boat or sailboat for a full season; ideal for fiberglass, wood and steel boats in salt water and fresh water
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ABLATIVE BOTTOM PAINT: Self-polishing coating wears away gradually as the boat moves through the water; minimizes bottom paint build up so you have less sanding to do next season; durable finish can be burnished for smoothness, speed & fuel efficiency
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LOW ODOR, LOW VOCs, EASY CLEANUP: This low-VOC, water-based marine paint has no toxic fumes, and cleans up easily with soap and water; ideal for use in marinas and boat yards with environmental restrictions; no maximum dry time before launch
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EASY TO APPLY BY BRUSH, ROLLER OR SPRAY: Brush - natural bristle; Roller - 3/16” nap or foam solvent-safe cover; Spray - airless or conventional; if needed, thin with water, up to 10%; apply 1-2 thin coats; no sanding needed between coats
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AVAILABLE IN BLACK, BLUE, GREEN & RED COLORS in Quart and Gallon sizes; Coverage: 500 sq. ft. per gallon. Compatible with most previously applied bottom paints: Apply over existing ablative or hard bottom paints; for use on boat bottoms & hulls below waterline only
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5
TotalBoat Krypton Copper Free Antifouling – Marine Ablative Boat Bottom Paint | for Fiberglass, Wood, Aluminum & Steel Boats | Ideal for Outdrives & Trim Tabs (Black, Quart)
TotalBoat
8.3
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✓
HIGH-PERFORMANCE MARINE ANTIFOULING BOAT BOTTOM PAINT provides superior single-season protection against barnacles, weeds, algae & slime in fresh water, salt water, and brackish water
✓
COPPER FREE FORMULA won't cause galvanic corrosion on aluminum boats, outdrives and trim tabs; copper-free paint also means colors are much brighter than bottom paint that contains copper biocide
✓
FOR USE ON FIBERGLASS, WOOD, STEEL, IRON & ALUMINUM BOATS below the waterline only; haul and relaunch without losing the effectiveness of the biocide
✓
EASY TO APPLY: For brushing, use a high-quality, natural bristle brush; for rolling, use a 3/16” nap or foam solvent-safe roller cover; if needed, thin with TotalBoat Special Brushing Thinner 100 (brushing/rolling) or TotalBoat Spray Thinner 101 (spraying)
✓
AVAILABLE IN FIVE BRIGHT, VIBRANT COLORS: Blue (Quart & Gallon), Black (Quart & Gallon), White (Quart & Gallon), Green (Gallon only), and Red (Gallon only); Coverage: 500 sq. ft. per gallon; after applying, there’s no maximum dry time before launch
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6
TotalBoat-488394 Spartan Boat Bottom Paint | Multi-Season Marine Antifouling (Black, Quart)
TotalBoat
8.0
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✓
MARINE BOTTOM PAINT FOR MULTI-SEASON PROTECTION IN HIGH FOULING CONDITIONS: High copper content (38% cuprous oxide) for maximum antifouling protection against barnacles & slime for sailboats & power boats in fresh, salt and brackish waters
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SMOOTH, ABRASION-RESISTANT FINISH FOR MAXIMUM PERFORMANCE: Offers maximum speed and fuel efficiency; can be burnished for a racing finish; advanced copolymer ablative formula offers continuous antifouling protection whether the boat is at anchor or underway
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HAUL AND RELAUNCH WITHOUT REPAINTING: Hauled your boat for longer than 2 weeks? Simply scuff lightly to reactivate this paint's antifouling properties; ablative formula reduces paint buildup, which means no heavy sanding next time you apply bottom paint
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EASY TO APPLY, DRIES FAST: Apply by brushing, rolling or spraying on fiberglass, wood, steel and previously painted surfaces in good conditions. THINNING: Brush/roller application - TotalBoat Special Brushing Thinner 100; Spray application - TotalBoat Spray Thinner 101
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AVAILABLE IN BLACK, BLUE, GREEN & RED COLORS in Gallon size; Black and Blue are also available in Quarts; Coverage: 500 sq ft.per gallon; NOTE: This paint has no maximum dry time before launching your boat is required
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7
TotalBoat Underdog Marine Antifouling Bottom Paint for Fiberglass, Wood and Steel Boats (Black, Gallon) 128 Fl Oz (Pack of 1), 1.00 Gallon (Pack of 1)
TotalBoat
7.4
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✓
ECONOMICAL ANTIFOULING BOTTOM PAINT provides excellent single-season protection; copper biocide keeps barnacles and mussels from clinging to hull bottoms; ideal for sailboats, power boats, fishing and work boats in all types of saltwater conditions
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EFFECTIVE MARINE PAINT prevents barnacles from attaching to your hull by releasing fresh biocide as water moves under the boat; best for boats used frequently; durable finish withstands trailering & beaching better than traditional ablative paints
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FOR USE ON PROPERLY PREPARED FIBERGLASS, WOOD, STEEL, AND IRON BOAT BOTTOMS; because the ablative coating wears away during the season, there's no paint buildup, which makes your bottom paint job easier next season
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EASY TO APPLY: Use a natural bristle brush, or a 3/16” nap or foam solvent-safe roller, or use airless or conventional spray equipment. THINNING (10%): brush/roller - TotalBoat Special Brushing Thinner 100; spray equipment - TotalBoat Spray Thinner 101
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AVAILABLE IN GALLON SIZE IN BLACK, BLUE AND RED COLORS. Coverage: 500 sq ft per gallon; this product is a marine paint intended for antifouling use on boats, applied to hulls and boat bottoms below the waterline only; it is not intended for household use
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