That it is a dielectric, is why your anodized aluminum mast will resist galvanic corrossion. Another mast finishing option is to have the mast re-anodized. Remove fittings,prep,etch,hibuild epoxy primer sanded lightly smooth and then Industrial imron which was about 1/5 the price of so called 'marine' Imron and used for external seaside steelwork in the Florida sun so well spec'd for the job. Hi my name is Kevin. Use these tips and tricks to ensure a good-looking, quality finish on nicks, cracks and blemishes. More How To. Would like to go with a darker color. The result is a transformed aluminum surface that looks great and can stand up to nearly anything…literally. Do a search on the web for "how to clean anodized aluminum mast" or "cleaning anodized aluminum" and then try the search again using the same tags as above but put "how to" in front of it. This coating must be removed before you can paint an Airstream trailer. Painting aluminum properly is an involved project with some of the early steps under time constraints. In that case put an insulator between the part and mast. My modifications/additions are in red. If you paint a raw aluminum part it is helpful to pre etch it a little bit. Some say that moisture under a paint scratch will corrode the aluminum much faster than bare aluminum. Ive tried to read every old post on painting aluminum mast. ... please specify boat model and year, including LOA, spar finish (clear anodized, painted, or raw), and which Spar Section you are replacing (see Kenyon Spar Sections). A painted mast is gorgeous. Aluminum spars are also most often painted, typically in either black, or some shade of white/cream. I would think if you have existing paint that … If your mast is a natural silver aluminum color, it is probably anodized. Anodized aluminum extrusions can fade and oxidize. Part Number. Begin the process of cleaning oxidized aluminum by rinsing the aluminum to remove surface dust or debris. Latest. Anodizing’s superior abrasion resistance means it will outlast paint on a door stile, kick-plate or push/pull bar. March 20, 2013. Dont think you can buy that any more . " Anodized Aluminum: Protects satellites from the harsh environment of space. Thinking about painting my carbon mast on my 2000 Inter 20. Anodizing transforms an aluminum surface, hardening and strengthening the outer layer against external stressors. The buildup of dirty surface deposits can provide sites for corrosion, particularly if there is associated acidity. Anodized aluminum is very suitable for applications involving exposure to sea water and is routinely used for parts such as masts. Anodized aluminum can get ugly pits from salt corrosion if located near the ocean. Restoring the pieces is a process that involves harsh chemicals, but refinishing the pieces is a … For particularly dirty areas, use a scrubby sponge instead of a rag. By Steve D'Antonio. How to Touch Up Painted Aluminum. And, it does so while providing options for color and design. When we painted our (clear) anodized mast we sanded to bare metal, mild acid wash and primed and painted with Awlgrip, a pricey 2 part polyurethane paint. STEP 2: Sand the metal surface in a two-stage process. It won’t make a pitted mast look any better cosmetically and must be done by professionals. Painting an aluminum mast Would it be best to start with the bare satin finish (6063 alloy), prime and then paint, or would it be best to get a powder coated or anodized finish and apply paint that? Read somewhere that you shouldn't paint a carbon mast a dark color because the heat from sitting in the sun may cause issues with the carbon fiber. This will produce quite a number if ideas on resolving your problem and probably give you a couple of days reading - for what its worth. We have been painting this tube with white paint, but are having problems with the paint’s durability, as it is chipping. Our product comes in a concentrated formula so a small amount provides a lot of restoration and polishing. When I was a teenager we painted the (anodized) mast on my dad's boat with Awlgrip. It worked out very well, but as mentioned is not cheap and develops dangerous fumes requiring special protective equipment for those mixing as well as the sprayer. The current color is stock "off white" which clashes a bit with white sales. The painting process I used followed LeFiell's protocol (LeFiell was a mast manufacturer). However, there are enough maintenance items aboard than to need another, particularly one that requires stepping the mast and removing all the rigging. Hard anodized bicycle rims were popular in the 80s but would crack and die much earlier in service than raw or clear anodized … Anodized aluminum is extremely durable, as the anodizing process helps to harden and coat the metal. Make sure to scrub in the direction of the metal's grain to avoid leaving scratch marks. What is the best way to paint it? Allow the aluminum to air-dry completely. All we really did for prep was a gentle wet sanding followed with a TSP wash, then followed the directions on the Awlgrip bottle. Next, you’ll need to sand the aluminum surface to further help your paint job stick. ... as there are variations. Whos got an old mast paint job in good condition and how did you do it? A few years later, I was managing a boatyard where painting aluminum spars was common. How did you do it attaching … Hard anodizing a mast manufacturer ) older sailboat anodized. 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