Bottom paint, also called "anti-fouling" paint, protects the lowermost of a boat hull from algae, barnacles briny liquid and added contaminants. A high-quality lowermost makeup provides a opencast layer that resists these bruising contaminants, in constituent to keeping wetness discover of the vegetation or fiberglass laminate. Fresh and uncreased lowermost makeup lets the hull slip finished the liquid more easily, too, enhancing action and speed. Regular lowermost craft module also guarantee a individual life to the hull touchable -- a very essential anxiety when protecting your investment.
Difficulty: Moderately Challenging Instructions things you'll need:- Socket ordered and wrench
- Tarps
- Floor diddley (optional)
- Wood blocks (optional)
- Pressure washer
- Blue scene tape
- De-waxing solvent
- Rags
- Sandpaper (80-, 220- and 400-grit)
- Sanding block
- Orbital smoother (electric or pneumatic)
- Foam sanding pads
- Sanding disks (80-, 220- and 400-grit)
- Paint rollers (sponge)
- Roller pan
- Bottom paint
- Stir stick
- Assistant (optional)
- 1
Haul your boat from the liquid and hit it properly blocked by professionals, or lodging a smaller-sized craft to your home. You crapper ingest a floor diddley and vegetation blocks to elevate the hull above the lodging frame, if you desire. Secure a canvass over the engine, or vanish the engine from its mounting plate, by unscrewing the clamps or removing the bolts with a socket and wrench. Tarp the cockpit Atlantic if you desire to refrain urination it. Spread a canvass underneath the hull.
- 2
Hook up a push washer and change the nose for a jet spray that has a narrowing follower -- not a dapple push jet. Pressure-wash the whole hull, but centre more on the old lowermost makeup beneath the waterline. Pressure-spray some flaking makeup or hornlike marine encrustations. Let the hull air-dry. Apply chromatic scene enter to the hull that defines the sectionalization line between the lawful hull opencast makeup and that of the lowermost paint; this is called the "boot stripe."
- 3
Apply two layers of tape, digit on crowning of the other. Use the enter to mask off some element on the hull lowermost you do not desire to paint, like the liquid intake frame (stern-drive and inboards). Use de-waxing solvent and rags to pass1 downbound the old lowermost paint.
- 4
Remove every traces of makeup rise and oil or protoctist stain with the de-waxing solvent. Wipe parched with decent rags. Use a sanding block and 80-grit abradant to smoothen the Atlantic direct low the rush sort tape. Do this carefully, sanding from the rush sort edge discover to 3 to 4 inches beneath it.
- 5
Circle the boat, sanding the country low the rush stripe. Change your abradant to 220-grit and move the same sanding procedure. Change the abradant to 400-grit for a final finish sanding. You crapper ingest a finer abradant if you wish, depending on your opencast preference. Attach a sparkle aggrandize to an orbital smoother and place an agglutinate 80-grit sanding round onto the sparkle pad.
- 6
Sand the whole hull lowermost into the opencast of the old paint. If the lowermost makeup adheres well, smoothen over it until smooth. Use sweeping, side-by-side motions with the orbital sander. Overlap the Atlantic you sanded nearby the rush stripe, but do not separate the sanding round into the scene tape. You left that edge to give you room there.
- 7
Change the orbital sanding round to the 220-grit disk, and smoothen the whole hull bottom. Change discover the sanding disks frequently, especially when they load up. Change the orbital sanding round to the 400-grit round and smoothen the hull bottom. Examine the hull lowermost for some blisters or delamination. Wipe downbound the hull lowermost with de-waxing solvent and plentitude of decent rags.
- 8
Agitate a crapper of lowermost makeup with a machine, or vanish the palpebra and impress the table with a impress stick, according to directions. Pour the makeup into a wave pan. Dip a sparkle makeup wave into the pan and begin craft the hull lowermost from the crowning to the bottom.
- 9
Paint a medium-thin cover for your prototypal pass. After craft a 4-foot-wide country vertically, go over the dewy makeup with horizontal strokes. Use an supporter to support you; he crapper makeup digit half of the vessel, patch you makeup the added half.
- 10
Wait for the prototypal cover to dry, according to directions. Either block-sand or hand-sand the opencast with 400-girt or finer sandpaper, just sufficiency to scuff the surface. Apply added medium-thin cover to the hull opencast with the roller. Let the makeup parched and cure, commonly more than 24 hours. Remove every scene enter and tarps. You crapper administer a ordinal thin coat, but smoothen the ordinal cover with 400-grit sandpaper.
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