Topside Paint · Paint & Coating Systems
Jotun paint and coating systems. Jotun is one of the world's largest manufacturers of marine coatings, with a market share of roughly 25 per cent. The product lines cover epoxy mastic primers (Jotamastic), solvent-free high-build topcoats (Marathon IQ2), high-molecular-weight epoxy primers (Penguard) and modern antifouling systems (SeaQuantum, SeaForce).
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| Visual condition survey | typically at each annual inspection or dry-docking |
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| DFT verification after new application or repair | at time of application, before sign-off |
| Spot touch-up | as needed when local damage is found |
| Full recoat cycle | condition-based, commonly on the order of 5-8 years for topside systems under normal trading exposure - confirm against Jotun's own system data sheet rather than this generic range |
Typical intervals for this design class, not the manufacturer’s figures for your model. The manufacturer’s manual is binding.
| Dry film thickness | commonly checked against a tolerance band around the 50 micron nominal (a widely used convention is roughly -10%/+50%) - confirm the actual tolerance against Jotun's data sheet for this product |
|---|---|
| Recoat window | overcoating after the stated 16-hour window commonly requires light abrasion for adhesion - confirm the exact window and its temperature dependency in the product data sheet |
| Gloss/colour retention | a visually obvious step change in gloss or colour versus the surrounding area is treated as a local limit reached, independent of a fixed numeric value |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Topside coating condition is normally assessed at periodic and special surveys using a simple condition rating (good/fair/poor) rather than numeric criteria; class is mainly interested in whether breakdown has progressed to active corrosion of the structure, not cosmetic gloss loss.
Estimated lifetime: Not applicable in running hours - service life is normally expressed in years to first significant maintenance; topside systems of this type are typically specified for roughly 5-8 years under normal trading exposure, condition-dependent.
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