Bahco 665 Carbide Edged H/Duty Paint Scraper

Product Information

Painting under the cradle supports is a common problem for boat owners. The time-honoured solution is to paint around the support, then get the yard to move it before painting the bare areas. SOLVENT XYLENE and NAPHTHA these are used to dissolve components of the paint. The evaporation of the solvents causes the paint to dry and form a film. Further reading on antifouling Ultrasonic antifouling Usually, high speeds will dislodge fouling from the hull of a regularly-used boat, but if you only go afloat occasionally you may need to scrub the hull. As with racing sailing boats, you can choose between an antifouling with or without Teflon. It came off as easily as the Removall, in soft strips. Like the Removall, it can be pressure-washed off, though this was not as effective as scraping.

Eroding antifoulings will typically not survive speeds above 25 knots, although Seajet claim 40 knots for many of their products. To combat this, hard paints are typically applied to planing powerboats. The Bahco scraper uses a reversible tungsten-carbide blade. It was so sharp it shaved the paint off unless you got the blade right underneath the paint layer, and its uber-sharp edges had a tendency to bite into the paint.

Bahco 442 Carbide Scraper Blade - 50mm

You can them prime them with epoxy primer to stop any water ingress, before sealing the gap with Sikaflex or another flexible underwater sealant. Before you antifoul, consider a further coat of a tie coat primer like Primocon before you paint on the antifouling. Which roller to use for antifouling Another variety with a dedicated following is copper-based paints, such as Coppercoat. These use particles of copper suspended in an epoxy coating and can last up to 10 years, saving you the annual ritual of antifouling. He goes to say that if leaving it overnight a covering of cling film stops the solvent from evaporating and keeps it moist overnight. Leaving the stripper to work for 10 minutes each time, we got down to the primer after three applications. The Interstrip will leave the primer untouched, ready for the new coat of antifouling. Use a brush for fiddly bits around transducers and stern gear. For a really smooth finish, someone can follow you with a pad to smooth ridges and remove dribbles.

Pour a small quantity at a time into your roller tray – that way if you drop it you won’t lose too much. Replace the lid on the tin, too. Over the winter of 2021/22, we teamed up with our sister magazine Motor Boat & Yachting to test 8 of the antifouling paints side-by-side. Read our best antifouling paint group test feature to find out what we learned. How to antifoul a boat The DIY soda blasting option was slow but effortless. A compressor with a bigger capacity would speed things up significantly

Round the corners off the blades with a file or on a grinding wheel. This will stop them digging into the gel coat.