Fibreglass & Resin Products for Fishing & Marine in Namibia

Isophthalic (NCS 991) below the waterline and in the holds, full stop — immersion service plus fish-hold washdown chemistry defeats GP resin within seasons through osmosis and softening. Rebuild with staged mat and roving to original thickness, and finish holds with a sound gelcoat surface that cleans properly.

Fight the temperature, not the resin: winter fog mornings sit below reliable cure thresholds, so successful yards tent and gently heat the repair zone, catalyse at the higher end of the range, and schedule laminating for the afternoon window. A cure stalled by cold is a repair done twice — ask the counter for the seasonal ratio card.

For damage above structural scale, yes — a repair kit (resin, catalyst, mat), an angle grinder, acetone and disciplined surface prep handle cracked stringers and holed liners at the quay. Grind back to sound laminate, dry the area completely, laminate in stages. We keep kits and small packs at the depot precisely for the between-landings fix.

A continuous, sound gelcoat surface — smooth enough to clean to food-adjacent standards, sealed so washdown water and fish liquor cannot reach the laminate. Repair spalls and crazing promptly: every breach is an osmosis starter under permanent wet service. White or light colours show cleaning honesty, which surveyors appreciate.