Primers

Sea-Line 2K Epoxy Primer Spray is a two-component epoxy primer in an aerosol can, delivering professional-quality priming without a compressor. It features a simple internal activation, long pot life (48h), and provides both anticorrosive and antiosmotic protection.

• 2-component epoxy primer spray (400 ml) – components mix inside the can at the push of a button
• Adheres to fiberglass, steel, aluminum – suitable for use above and below the waterline
• Offers anticorrosion and osmosis protection (apply 2–4 coats for ~250 μm total dry film)
• No dripping on vertical surfaces; fast flash-off between coats (5–10 min)

Sea-Line Epoxy Primer 4:1 (Red Oxide) is a two-component anti-corrosion primer formulated for protecting metal surfaces on boats. It provides excellent adhesion and long-term rust protection both above and below the waterline. Easy 4:1 mixing ratio and applies by brush, roller, or spray.

• Two-component epoxy primer (red oxide color) – recommended for steel and aluminum
• Shields hull metal from corrosion; ideal base under anti-corrosion coatings and topcoats
• High adhesion and filling capacity; non-sag on vertical surfaces
• Mix ratio resin:hardener = 4:1 by volume; can be thinned with epoxy thinner if needed

Sea-Line Antiosmotic HS Primer 3:2 is a two-component high-build epoxy primer (solvent-free) designed to protect fiberglass hulls below the waterline from osmosis. It fills osmotic blisters and creates a strong waterproof barrier layer. Mixing ratio 3:2, dark grey color.

• High-solids 2K epoxy primer – formulated for osmosis repair and prevention
• Solvent-free formula – no harmful solvents to penetrate the laminate
• Allows thick coat application (up to 150 μm DFT per coat) without sagging, excellent finish
• Shields GRP/fiberglass below water; 2 coats (300 μm total) recommended for full osmosis barrier

Sea-Line 1K Yacht Primer is a multifunctional single-component primer based on chlorinated rubber, suitable for a variety of substrates – fiberglass, wood, and steel. Easy to apply and fast-drying, it improves adhesion between coats and provides some anti-corrosive protection (in thick layers). Excellent as a tie-coat between different systems and as a sealer over old antifouling paints.

• One-component universal primer (matte grey finish) – for above and below water areas
• Compatible with GRP, steel, wood (except teak) – acts as an adhesion-promoting layer for all Sea-Line 1K paints and varnishes
• No sanding required between coats; enhances bond between old and new coatings
• Can be used as a barrier coat over old antifouling or as a base before 1K topcoat enamel

Sea-Line Epoxy Lightprimer 5:1 is a high-quality 2-part epoxy yacht primer that creates a durable, adhesion-promoting base coat with anti-osmosis protection. Ideal for use above and below the waterline, it features a simple 5:1 mix ratio and easy application with no sanding required between coats. Key features:

• Excellent Base Coat: Provides a superior primer layer for paints and topcoats, with no need for sanding between coats.
• Strong Adhesion: Bonds firmly to fiberglass, wood, steel, and aluminum surfaces, both above and below the waterline.
• Easy Application: Non-sag formula for vertical surfaces; mixes and applies smoothly for a perfect finish.
• Osmosis Protection: In four coats, it forms a robust barrier that protects the hull against moisture and osmosis damage.