Jotun Osmoshell is a two-pack solventless epoxy coating reinforced with glass flakes, 2,5kg

In stock

2,044.60
Price incl. VAT, plus Shipping


Osmoshell is a two-pack solventless epoxy coating reinforced with glass flakes which provides a very high structural resistance, and a superior adhesion on polyester substrates. Osmoshell has excellent abrasion and water resistance.

Osmoshell is designed for polyester boats to reduce the risk of osmosis. Suitable to repair gel coat and other polyester degradations of boats. Its very high chemical resistance makes this product suitable for bilge protection. Can be applied on metal substrates as well.


Instruction of use

1. Fibreglass hull
Surface preparation for osmosis treatments: Remove the gelcoat and the fillers. This operation shows the fibreglass and the humid parts of the surface, permitting a complete drying of the substrate. It is advisable to blast clean to obtain the best results. Carefully clean and degrease with fresh water at high pressure several times. It is necessary to let the surface dry for at least 40 days. Drying period depends on the conditions of the hull. It is advisable to keep the boat in a dry, well ventilated place at a temperature of 20°C. The degree of humidity of the substrate should be under 1%. Paint system: Apply a first coat of Osmoshell with a smooth knife working in all directions to let the product penetrate in all defects, hollows, etc. After dry to recoat, apply a second coat of Osmoshell starting from the bottom and ending in the top (waterline), by using a tooth knife (tooth height of 2-3 mm.). Let the product dry (minimum dry to recoat interval) and apply a third coat of Osmoshell by broad or smooth knife in order to fill the strips, getting an homogeneous coat. When the coat is dry to recoat, remove sharp edges and fill irregularities, imperfections and
pores with Finishing Filler. After dry to recoat sand carefully to even the surface and apply one coat of AntiPest and the selected antifouling system.

2. Fibreglass bilge
Surface preparation: Empty the bilge prior any treatment. Remove all traces of contaminants, dirt and grease, followed by fresh water washing and light sanding of the surface with proper dry paper. Let the bilge dry. Paint system: Apply two coats of Osmoshell by brush. Osmoshell can be diluted with Jotun Thinner No. 17 to adjust
application properties.

Customers who bought this product also bought

* Prices incl. VAT, plus Shipping

Browse these categories as well: Antifouling and Color, Maintenance, JOTUN