Ronnie February 8, 2016 at 3:40 am. Allow the aluminium to sit overnight. Gloves are also a good idea to limit contact with chemicals and metal filings. Wet sanding techniques work for metals and painted surfaces and can return shine to your aluminum … Posted: Sun Oct 13, 2013 8:58 am . Tags: aluminum hull, paint stripping, sanding. A short explanation/demonstration of preparing bare aluminum using acid and conversion coating techniques in preparation for painting an aircraft skin. When you apply spray paint too fast, too heavy, too cold of a climate or too humid of an atmosphere, you can get sags in your paint. Seek professional advice/confirmation before acting on such at all times. Allow the paint to dry according to the manufacturer's recommended time. For bedding, use a UV-resistant polyurethane sealant; for rivets (monel is preferred) or screws, most riggers use … If you are not familiar with stern drive power on boats, they are the used to transfer power from the boats engine to the prop and is usually submerged (in my case, in fresh water for 4 months each year). Living where I do (N.Wales) that sounds expensive transport wise - I'm talking a 40ft mast here. Painting aluminum requires a few key steps in order to create a long-lasting masterpiece. Nearly anytime two dissimilar metals (like Madrone’s aluminum mast and the stainless steel hardware used to attach fittings) ... After sanding the bubbled paint and removing the corrosion we applied the primer. Once it is wet, we use brushes and a cleaning agent to hand scrub the siding. This was a step we skipped due to the added time and cost. Try a piece and see for yourself. Cast aluminum is a denser form of aluminum that has some of the properties of aluminum and some of the properties of light-weight aluminum. Clean bare aluminum with warm water and a degreasing agent. I repainted mine, same problem, very faded black anodised and the previous owner had already painted the boom so it really looked odd. Also smooth out any pitting from corrosion and other surface defects. Mechanical Aluminum Finishes Sanding for finishes similar to brushed finish with grains from very fine to heavy. For areas of the boat that you want to stay polished aluminum, wet sand with fine grit paper or sanding sponges. Use 40 or 80-grit sandpaper, sanding the inside of the boat before flipping it over and sanding the exterior. It supports the mast at three points along it's length. Lots of people would call this style a dust mask. Once primed, painted and sealed, dull siding can be brightened up and sheeting can become a durable outdoor table, artistic retaining wall for a garden or hanging room divider for an outdoor seating area. My … It is important to remember that when you re-install any mast hardware, the hardware and screws or rivets must be isolated from the painted aluminum. Sand your aluminum surface using 800-grit sandpaper. I also rewired my mast and ran all halyards internal as part of the project (you may want to consider such). I have a old boat which the aluminum is starting to oxides and would like to paint/spray it black. Once the epoxy has completely set, it's time to dust-mask up again and sand the mast. The entire process of painting an aluminum boat is dangerous without the proper safety equipment. Motor: 11KW. Tim. 96 $19.96 $19.96 Now mix and apply Epoxy Primer directly on to the bare aluminum. Apply one coat of InterProtect 2000E (Thinned 15-20% with 2316N Reducing Solvent). Some of the frequently used methods for stripping the paint off are as follows: Method 1: Sanding. Norton (1) Silverline (1) Colour. Fill a tub or bucket with warm water, then add a few squirts of a degreasing cleaner.  Once the resin is removed, sand the surface again lightly with 120 grit emery paper to ensure smooth, resin free piece. Thanks for the advice Iain, though the training wheels comment was meant to be firmly tongue in cheek! mast but used a different approach as suggested by a rigger. Before you start painting, sand the boat’s surface to make it smooth and even. This step can be done by hand but for the best results a DA Sander should be used. MIL Bronze is a two-step anodized finish dyed in a bronze color to fit with desert sand finishes on aluminum masts. If the mast is not pitted and is smooth but dull, sanding will be able to clean the aluminum down to a bright, shiny base.  Use a 2 part polyurethane clear coat to paint … Painting aluminum requires a few key steps in order to create a long-lasting masterpiece. Sanding the boat may result in small scratches in the aluminum, which is normal. JavaScript is disabled. 10m Aluminum Mast Climbing Work Platform For Outside Wall Painting . Allow to dry overnight and apply a second coat of either Epoxy Primekote (thinned 25%) or … There are so many Mirka products for sanding aluminum my head is spinning. I suggest you try to get information how that is done and buy the paint used to paint airplanes. I love projects that show instant progress and gratification, they are the best! Before applying primer. 11 Responses . Using Acetone/Solvent and a clean rag, wipe down all surfaces to maximise the cleanliness. The new wattyl paint system range has a very good marine application web site. Here's what I did once I got my mast sanded; these are specific steps but they mostly apply to the priming, which is a function of hard-to-paint aluminum. Platform width: 1m-3m . He suggested we wet sand the mast, wash it off, treat it with alum. This usually requires 80 or 100 grit sandpaper, which will leave behind some scuff marks. Here's how to choose the best abrasive for any job. Apply a coat of metal aluminum paint with the soft bristled paintbrush. For simple wood sanding, some folks recommend the old standard 3M 8210 particulate respirator. For a better experience, please enable JavaScript in your browser before proceeding. Aluminum surfaces need special preparation before painting.  Still using the PPE, brush the dust off the mast and surrounding areas and dispose of properly. Even the thought of towing a 40ft trailer behind a car doesn't appeal though I did once tow a 22ft boat around the North Circular Road at rush hour before they opened the M25. Finance provided by PayPal Credit. I certainly wouldn't contemplate it seriously. I have an aluminum mast, i have noticed it looks like it used to be painted black. I could easily get a uniformed very light even textured finish using the Festool papers, I want to get a high shine so its a lot tougher. Might look into it though so grateful of any contact details/names. How to Remove Paint from Aluminum Boat? If you don’t want paint on any areas, use painter’s tape to cover them. He suggested we wet sand the mast, wash it off, treat it with alum. I will brief you about each method to give you a little idea about the techniques. Just like painting fiberglass or wood, painting an aluminum boat begins with sanding away old paint and oxidation until you’re left with clean, shiny metal. mast but used a different approach as suggested by a rigger. Then give it a heavy sanding using 60 or 80-grit sandpaper. Still looked good when I sold the boat 18m ago.... Go for it"! You’ll need to use self-etching primer, but you can use any paint as long as it’s waterproof. It creates a hardened surface that protects the mast from dust, dirt and precipitation. Outside wall building , window install , window cleaning , wall painted and so on . Wondering if it is possible if an aluminum mast has been awlgripped to sand the paint off and with enough work is it possible to get it to a polished aluminum finish again? I wonder if the training wheels off my sons old bike could be bolted to the mast - now that he's 16 he doesn't need them anymore!! Any content, information, or advice found on social media platforms and the wider Internet, including forums such as YBW, should NOT be acted upon unless checked against a reliable, authoritative source, and re-checked, particularly where personal health and liberty is at stake. You can typically take a piece of this painted sheet, bend it in a brake, and fold it flat on itself like a hemmed edge, and the paint will remain intact. We sanded the paint off the corroded areas of the mast, thoroughly cleaned the areas with acetone, and prepared to paint. Material : steel painted , steel galvanized , aluminum It can also emphasise the beauty of the wood’s natural grain. Wow! Many years ago I used OWATROL(at least I think that's what is was called)on a 20' Vivacity - which you put on with wire wool then wipe off - it certainly improved the look of the mast & boom at very little cost. It is your responsibility to provide references to bona fide sources. Wear thick gloves as stick-up strands of the carbon fiber can slice right though the sandpaper and into your hand. Free delivery on eligible orders. This occurs because the underlying layers have not fully flashed, which means the solvents in the paint have not had a chance to reach the surface and allow the paint to dry. Model: SP 100 single mast section .  Using Acetone/Solvent and a clean rag, wipe down all surfaces to maximise the cleanliness. Dip a rag into the solution, then use it to wipe down the aluminum. Go through these methods and decide the one that you want to opt for stripping paint from your boat. Download it here. I work in aviation and when painting aluminum, follow these steps: 1: remove any old paint 2: polish with low grit to high grit until your standard is met 3(optional): polish in the same direction and finish with scotch bright for a smooth finish. As far as color sanding and buffing is concerned, sanding discs in the 1500 to 4000 range are your ideal options. Users who are found to promulgate FAKE NEWS on the forum in regard to this issue, intentional or otherwise, may find their access terminated. If you skip this step, the paint will fail at the hardware interfaces within a couple of years. Wow, what a monumental task! mast We repainted our alum. How to Sand Exterior Paint. Sand the boat to remove old paint and create a smooth surface. A sandpaper disk attached to a rubber face plate in an electric drill works well on the propeller blades and some areas of the hub. The specific grit range to use will depend on whether you are sanding the metal in preparation for painting or finishing, and the state of the metal. Use a firm touch and continue sanding until the aluminum appears perfectly smooth. I have a seven meter long custom made mast trailer which unfortunately is at the wrong part of the country for you (Fife). As an example of how well anodized aluminum holds paint, all pre-painted architectural sheet aluminum is first anodized and then painted with no primer of any kind between the surface and the topcoat. 3M Aluminum Sanding Process Always use suitable dust extraction and select the correct tools for aluminum sanding: Festool Cleantec CTM 48 EC/B22 is certi˜ed under ATEX directive 94/9/EG for Zone 22 areas. If the mast had been painted before, start with 80 grit sandpaper and change it often, life too short to sand with dull sandpaper. Site Rank - Deck Hand: Joined: Sun Oct 13, 2013 8:45 am Posts: 2 Hi guys I am new to this forum. I could easily spend 500.00 to find out. For the painting of your mast you are on the right track, etch primer, intercoat and top coat will work, and you don't have to remove anything that won't get stuck if painted. Sand the entire surface of the cast aluminium with the rust-removing sanding pad to remove all signs of corrosion and rust. Finally, sanding prepares the surface for painting – it ensures paint (or varnish) goes on smooth and looks the best it can. I work in oil If the dust is black, you are sanding carbon away. This is not the place for such content. Painting Aluminum Sidings An alternative to replacing a siding made of aluminum when it is time is by simple repainting them. Start with 220 grit and work your way up to the desired level of polish. That said - after the above considerations are taken into account, I would recommend a quality 2-part urethane with the appropriate aluminum primer. Q. I would like to know of a preferred method of painting or coating my Volvo outdrive lower unit, which is aluminum casting. The app is searchable in the Google Play Store under Sailboat Owners. My neighbor owns an auto body shop and sprayed a 2-part urethane based paint on for me and that was the easy part. Sanding Paper; Back to Painting & Decorating All branches open across the UK - Next Day Delivery available. 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