Photo Credit: Tim Carter. CLICK THE IMAGE NOW TO ORDER IT. THANK YOU VERY MUCH! #11 x 1 in. If the electroplated galvanized finish is damaged or cut the steel edges under the zinc remain exposed, bare and threatened by corrosion. })}); Not a lecture hall ! Electro galvanization is a form of zinc electro plating where a thin layer of zinc is electrically and chemically bonded to steel in order to protect against rust and corrosion. An electrically charged anode composed of pure zinc is placed into the solution. Years ago, it was impossible to locate hot-dipped galvanized nails that would be comparable with nail guns. Made from high quality electro galvanized steel that is zinc plated to prevent corrosion and rust Unique two point locking system; lockable lid and lockable handles for safekeeping and storage of your items … Here the cold steel nails are immersed in a chemical liquid where electricity is applied to the solution and a very thin coating of zinc is applied to the steel. Galvanized steel, in particular, is often what is used in modern “steel frame” buildings. Hot Dip Galvanized, Pre-Galvanized and Electro-Galvanized Steel The process where steel is coated with protective corrosion resistant zinc is known as galvanization. I have a feeling I'll be out the next day helping to secure my neighbors' roofs because their roofers chose to use the cheaper nails. n the auto industry today the trivalent chromates are simply dyed yellow and are otherwise exactly equal to the "white". DEAR TIM: I'm getting bids on a new roof and some of the roofers want to use a nail gun to install the shingles. Yes, galvanized steel resistance to rust corrosion depends largely on the type and thickness of the protective galvanized zinc coating, but the type of corrosive environment is also a critical factor. It's vital the fasteners last longer than the actual roofing material. CLICK HERE to get FREE & FAST BIDS from local roofers who can supply the BEST NAILS. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations might be harmful. Zinc electroplating has a definite advantage in appearance and for close fitting parts, but hot dipping will give much better corrosion resistance because the zinc coating will be about five times thicker. Clean off the rust dust. While is does provide some rust … I want my realistic and gorgeous synthetic slate shingles to stay attached to my roof when any number of punishing nor'easter storms pummel my house with howling gale-force winds. White rust or the product of zinc reacting with atmospheric oxygen … This process produces very shiny nails that almost look like too good to be true. The process consists of immersing the steel in a cold zinc “bath” that has an electrical current running through it. There were other products that effectively removed grease and oil, but also affected the appearance of the galvanized … I wanted Maze of Peru, Illinois, double-hot dipped galvanized 8D nails (Maze product # R107A)but it turns out that Maze nail must be hand-driven and my roofer uses an Hitachi 75 AG nail coil gun. Hello, Graeme. Galvanized steel is also used to create structures like balconies, verandahs, staircases, ladders, walkways, and more. Electro Galvanized Steel is a zinc coated carbon steel similar to Galvanized and Galvannealed. It's fascinating. They can also be used to apply insulation board, and felt to wood substrates. Hot-dipped galvanized nails not used in a nail gun are usually very distinctive. Consult'g, Train'g, Software Environmental Compliance. Realize the fastener is the lifeline of the roofing material. Difference between Electrogalvanized Steel and Hot Dip Galvanized Steel. Yellow zinc traditionally had much more hexavalent chrome and offered better corrosion resistance. 2003. Use the … Galvanizing a metal offers crucial protection from harmful physical elements, such as rust and corrosion. Either electroplating or hot dipping can be used to apply the coating of zinc to steel (and there are other methods as well). The white plastic tank contains a liquid chemical that's transferring the zinc to the bare washers. Is this a good idea? Don't be fooled by the words *hot galvanized* either. "text": "#237afc" The hand-driving will add about two man days at $ 55/hour to my cost (almost $1000) I am told. Eventually there will be no more hexavalent chromium in roofing material and there will be no performance difference between yellow and white. Can you provide some insight into the different types of zinc and if one coating is preferred in an outdoor setting. DO NOT ACCEPT THESE. It prevents rust … CLICK HERE to Get Tim's FREE & FUNNY Newsletter! There should be no compatibility problem between the two finishes but the electroplated parts may not prove very durable in outdoor exposure as the protective zinc coating will only be perhaps a fifth as thick as the hot dipped coating. Traditionally these chromates were hexavalent chrome based, and hexavalent chrome is yellow-amber in color. "background": "#fff", As long as this plywood is not pressure treated (and it shouldn't be), and as long as the nails are not exposed, I would think that you can let the builder use the nails that he must use for power tools (hot dip galvanized coatings are probably too thick and drippy to use in these machines). Both methods add a protective layer of zinc to the steel. & Install'n Chemicals & Consumables I am planning a fence that will incorporate stringer hangers that are either hot dipped galvanized or electro galvanized. Use the hand broom to dust off all the rust particles and to clear the area to … If you just see the word *galvanized*, that's not enough. In my case and in many roofs across the USA, electroplated nails are rusting just from the CONDENSATION under the shingles! elements_selector: "iframe" Great insight on these questions. new LazyLoad(); They are electro-galvanized to help resist rust … All the video in between is just the drum turning and the chemical coating the bare steel washers. Through a variety of experiments, I’ve come to learn a pretty consistent process for removing this galvanization and making the metal rust. The Must for Rust® Stainless Steel Cleaner; Even though these products did not damage the appearance or cause other damage to the coating in the study, you should still test a small area at first to be cautious. Here's a poor quality video showing the electroplating process. "palette": { You want to see the words 'hot dipped' on the label. A discussion started in 2003 but continuing through 2020. Often they have clumps of zinc on the shaft or the coating of zinc is somewhat uneven on some of the nails. Nails can also be mechanically plated with zinc dust. But zinc electroplating is no substitute for galvanizing in outdoor exposure. The short answer is, yes, and also no. Go back up and look at the photo of these nails at the top of this column. As it cools, the zinc coating and the steel adhere together forming galvanized steel. They look gorgeous, but they're electroplated. Is this excellent or is there a better product out there for my application which can be used with a coil gun? Zinc plating looks shiny and pretty, galvanized looks dull. The best nails get a second dipping in the molten zinc bath. This type of steel product is especially strong and durable, but what really makes it exceptional is its resistance to corrosion. 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