Realize the fastener is the lifeline of the roofing material. The best nails get a second dipping in the molten zinc bath. Photo Credit: Tim Carter. Either electroplating or hot dipping can be used to apply the coating of zinc to steel (and there are other methods as well). Q. I am looking to purchase Galvanized Zinc coated Hexagonal mesh wire (Chicken wire) to make fish traps for fishing in the ocean/sea. It's important the guns drive the nails correctly per the written instructions of the shingle manufacturer, so be sure to take the time to read the written installation instructions about this. Similar to galvannealed steel and galvanized steel, the Zinc provides protection against corrosion. Sorry but your suppliers or even local fishermen will know more about the real world durability than I would. 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. All information presented is for general reference and does not represent a professional opinion nor the policy of an author's employer. The molten zinc is very hot, usually between 815 - 850 F. Watch this video to see the steps it takes to hot-dip galvanize any steel item. Now that I'm taking off the curled, brittle shingles that are losing granules by the minute, I see the roofer used cheaper electroplated galvanized nails, many of which are rusting. The one being held was electro-plated and it’s rusting after just 12 years. Often they have clumps of zinc on the shaft or the coating of zinc is somewhat uneven on some of the nails. These were being sold at one of the big box retailers you probably go to all the time!!!!1. These are the WORST ones. CLICK HERE to Get Tim's FREE & FUNNY Newsletter! I didn't build the home I live in. Some say today's trivalent chromates are the equal of yesteryear's hexavalent chromates. 60,000 Q&A topics -- Education, Aloha, & Fun topic 41042 Hot dipped galvanized vs. electrogalvanized 2006. It's fascinating. DO NOT ACCEPT THESE. Fortunately, it's possible to get them for just about any roofing nailer. The products we manufacture are of course used for outdoor applications. Shall I just go with the flow or can I get something REALLY good which works in a gun? When should you use galvanized steel or zinc plated steel? How can you tell the difference between different galvanized nails? You may even discover small ingots of zinc in the box or nail container. If the nails or fasteners rust and fail, the shingles can succumb to gravity and/or be blown away in a moderate breeze. & Install'n Chemicals & Consumables All the video in between is just the drum turning and the chemical coating the bare steel washers. A discussion started in 2003 but continuing through 2020. Tropical Sea Foods Distributor - Hollywood, Florida, U.S. ©1995-2020 finishing.com, Inc., Pine Beach, NJ, How Google uses data when you visit this site. Like the proverbial sacrificial lamb, the zinc corrodes first, sparing the steel. How Google uses data when you visit this site. Electro galvanized steel … The re-roof will be premium material: 30 # standard felt but then 170 # with 250 # in the valleys and at penetrations. It doesn't take long for the steel nails to rise up to that temperature and when they do, the steel atoms vibrate rapidly and interlock with the zinc atoms creating a zinc-steel alloy that resists rust quite well. This type of steel product is especially strong and durable, but what really makes it exceptional is its resistance to corrosion. While you're checking out the instructions, pay attention to the type of nail the shingle manufacturer recommends so you don't void the warranty. })}); Not a lecture hall ! The result is a uniform layer of zinc bonded to the steel … You can read the saga of my failed asphalt shingle roof - Roofing Ripoff. It was constructed just fourteen years ago. The short answer is, yes, and also no. Complete the form below and each week you'll get: Unsubscribe at any time. Nails can also be mechanically plated with zinc dust. Our electro-galvanizer has two types he refers to as yellow zinc and white zinc. new LazyLoad(); The glass beads and the chemical work to apply a thin coating on zinc on the nails. A. Hi. Zinc plating (also known as electro-galvanising) is a process where zinc is applied by using a current of electricity. Galvanized steel is also used to create structures like balconies, verandahs, staircases, ladders, walkways, and more. Galvanized metal is coated with a layer of zinc to protect the iron or steel underneath. Or is this UAE-manufactured nail a pretty good product? If you need a product/service, please check these Directories: Jobshops Capital Equip. } The local code calls for 8D ring-shanked roofing nails to re-nail the plywood decking which, in my case, is This results in the material having a thin coating of protection, but produces a shiny finish fo… THANK YOU VERY MUCH! This can be done by either electro-galvanizing or hot-dipping. There were other products that effectively removed grease and oil, but also affected the appearance of the galvanized … }); It prevents rust … When it comes to galvanized nails for roofing, the gold standard is hot-dipped galvanized nails. Is this excellent or is there a better product out there for my application which can be used with a coil gun? Hot-dipping occurs when steel is immersed in a hot liquid of zinc. Use the … Great insight on these questions. To tell the difference between nails, you probably need a little bit of experience. This process produces very shiny nails that almost look like too good to be true. Electro galvanized steel is made when Zinc is electroplated to steel; this process is also known as Zinc plating. COATING CHARACTERISTICS The electrogalvanized … Galvanisation is when a protective zinc coating is applied to steel or iron, to prevent rusting.. Clevis hangers that are to be used to support piping are available in hot dipped galvanized finish or Electro- Galvanized. 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. window.cookieconsent.initialise({ We respect your email privacy. Hi, Jacob. There are many different types of steel products, but electro galvanized steel is set apart from the rest due to its special properties. What type of nails would you use when installing shingles on your home and why? He is proposing to use Hitachi ring-shanked diamond point "electro-galvanized" nails---made in the United Arab Emirates. Subscribe to the FREE Ask the Builder newsletter to receive professional advice for your home. Galvanized Nails | All the nails have been galvanized. The irregular ingots are solid zinc. Clean off the rust dust. Next to it is a new electro-plated nail. Very similar questions have been asked and answered many times on this site. There are three other processes of galvanizing nails, but they simply don't offer the level of protection as hot dipping. This condensation happens on many nights when dew forms on the cool nails because water vapor is present under the shingles. They don't have much zinc on them and as I can attest, they rust in short order when exposed to the elements. Galvanization is a zinc coating applied over the top of steel. Zinc doesn't rust and the coating protects the steel from the ravages of water. Galvanization is a zinc coating applied over the top of steel. Electrogalvanized just means zinc electroplated. Use the hand broom to dust off all the rust particles and to clear the area to … These steel nails are cleaned chemically and then immersed in a vat of molten zinc that sometimes contains some lead. Electro-galvanizing is also another method of manufacturing galvanized steel. Both add a layer of zinc to the outside of the product. I am planning a fence that will incorporate stringer hangers that are either hot dipped galvanized or electro galvanized. We have sources for hot-dip galvanizing and electro-galvanizing. The four gray ones are hot-dipped nails, some have a distinctive irregular coating of pure zinc. Once again, this process doesn't create the all-important alloy and the zinc coating can be uneven and thin. Through a variety of experiments, I’ve come to learn a pretty consistent process for removing this galvanization and making the metal rust. "button": { It prevents rust … 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. So if you need a 2nd opinion, patient application of the search engine will yield it. eLectroGaLVaNIZed steeL Product Description Product Features CORROSION RESISTANCE To prevent staining in transit, it is recommended that ZINCGRIP The zinc coating protects the base metal by providing a barrier to corrosive elements and also by the sacrificial nature of the coating. I love to incorporate tie plates and nail plates that are used in construction, but in most cases this type of steel has a galvanized finish to prevent them from rusting. There is nothing intrinsically questionable about electroplating; it can be an outstanding finish. Don't be fooled by the words *hot galvanized* either. Sorry, I don't know whether your yellow roofing material is hexavalent chromated or trivalent chromated and dyed, but that's the short term answer anyway. elements_selector: "iframe" They look gorgeous, but they're electroplated. If you just see the word *galvanized*, that's not enough. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations might be harmful. #11 x 1 in. Galvanized … This is the cover of my Roofing Ripoff book. Thanks. The shingle warranties are very specific about the nail length and you want the right nail so they have enough holding power to resist blowing off by strong winds. window.addEventListener("load", function(){ Can I use hot dipped galvanized nails with electro galvanized hangers and visa versa? Next to it is a new electro-plated nail. Brush on the first coat of paint. Eventually, even galvanized nails rust, but the process takes longer. I would like to know the life expectancy of electro galvanized steel wire versus hot dipped galvanized steel wire versus PVC coated. This resistance to corrosion is … 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). (I recognize it is not as corrosion-resistant as double hot-dipped and CORROSION is my prime quality issue for the nails). Go back up and look at the photo of these nails at the top of this column. Consult'g, Train'g, Software Environmental Compliance. These steel nails are cleaned chemically and then immersed in a vat of molten zinc that … 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. 1/2 inch plywood. I am re-roofing my house. Only the first 30 seconds and last 30 seconds are important to watch. CLICK THE PHOTO to discover MORE about these nails. It had a heavy-duty architectural shingle on it that was supposed to last forty years, but it started to fail two years ago. Both methods add a protective layer of zinc to the steel. You should be very concerned about using inferior roofing nails. Zinc plated materials are invariably chromate conversion coated to deter white rust. "background": "#237afc" Difference between Electrogalvanized Steel and Hot Dip Galvanized Steel. They can also be used to apply insulation board, and felt to wood substrates. } 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. The zinc coating is firmly bonded to the base metal, and the coating of hot dipped galvanized steel strips are often thicker than electro galvanized steel. I've also heard stories about inferior galvanized nails that don't hold up and start to rust soon after being installed. Hot-dipped galvanized nails not used in a nail gun are usually very distinctive. Can you provide some insight into the different types of zinc and if one coating is preferred in an outdoor setting. ©1995-2020 finishing.com, Inc., Pine Beach, NJ   -   About finishing.com   -  Privacy Policy So that leads us to galvanizing, and the million-dollar question: Does galvanized steel rust? The wording must say hot-dipped. "Electro galvanized" means zinc electroplated. The cold steel nails tumble around with the zinc dust, tiny glass beads and a chemical. CLICK HERE to see a label with false advertising on it. Zinc plating looks shiny and pretty, galvanized looks dull. "background": "#fff", An electrically charged anode composed of pure zinc is placed into the solution. If you're applying a thin shingle to a wood surface and no other shingles are present, you might be able to get by with nails that are only one and one-quarter-inch long. Hot-Dipped galvanized steel strips greatly resist corrosion and rust, combine utility and beauty. Clevis hangers that are to be used to support piping are available in hot dipped galvanized finish or Electro- Galvanized. CLICK HERE to see a label with false advertising on it. Tidal zones and fluid agitation are also important considerations in determining the corrosion protection delivered by galvanized steel. I know that hot dipped last longer as it is thicker but I only need something that will last 5-8 months when immersed in salt water and that will not be too expensive. Galvannealed steel … CLICK THE IMAGE NOW TO ORDER IT. White rust or the product of zinc reacting with atmospheric oxygen … Good luck. 2003. The one being held was electro-plated and it’s rusting after just 12 years. My question is which coating is the better? Hi, Daniel. Traditionally these chromates were hexavalent chrome based, and hexavalent chrome is yellow-amber in color. The steel … The four gray ones are hot-dipped nails, … It's vital the fasteners last longer than the actual roofing material. Good luck. Best regards. Don't you make that mistake. IMPORTANT TIP: Be sure your contract with the roofer specifies hot-dipped galvanized nails and pay close attention to the minimum length called for by the shingle manufacturer. I think electrogalvanizing will be completely worthless in the ocean. 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 … Galvanized Nails | All the nails have been galvanized. }, The short answer is, yes, and also no. Hello, Graeme. Current flows from the zinc anode, through the solution, and into the metal cathode. Galvanized steel is regular steel sheets that have been coated in zinc to make them corrosion resistant. The most common method is hot-dip galvanising.This is when metal parts are fully submerged in a bath of molten zinc. My company works as a manufacturer of custom roofing materials. I don't know the origin of the term but it may have simply been an invention by a marketing manager to attempt to ride the coattails of the more expensive and more durable finish through obfuscation :-). Both steels are passed through a hot dip coating process for rust prevention. The color could be leached out in hot water, or the coating applied very thin, or trivalent chromate used instead so that it was more clear or more like "white zinc". But where you have exposed nails, like the top course of shingles at the peak of the roof, you could ask him to hand drive hot dip galvanized nails. Years ago, it was impossible to locate hot-dipped galvanized nails that would be comparable with nail guns. Hot Dip Galvanized, Pre-Galvanized and Electro-Galvanized Steel The process where steel is coated with protective corrosion resistant zinc is known as galvanization. n the auto industry today the trivalent chromates are simply dyed yellow and are otherwise exactly equal to the "white". The final process is electroplating. IMPORTANT TIP: The hot galvanizing process doesn't sufficiently heat up the steel to produce a zinc alloy on all the nails. It's NOT a giant vat of PURE MOLTEN zinc. The wording must say hot-dipped. When it comes to galvanized nails for roofing, the gold standard is hot-dipped galvanized nails. The first thing to look at is the labeling on the boxes or containers the nails come in. Here's a poor quality video showing the electroplating process. The white plastic tank contains a liquid chemical that's transferring the zinc to the bare washers. CLICK THE PHOTO to discover MORE about these nails. 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. You want to see the words 'hot dipped' on the label. PVC will last "forever" until it is cut, but it will be, then it won't last long. "palette": { Cascadia Metals offers Electrogalvanized Steel in a variety of sizes. Yellow zinc traditionally had much more hexavalent chrome and offered better corrosion resistance. Electrogalvanization starts by submerging raw metal into an electrolytic solution. I'm in the process right now of re-roofing my own home. If you just see the word *galvanized*, that's not enough. If the electroplated galvanized finish is damaged or cut the steel edges under the zinc remain exposed, bare and threatened by corrosion. A current of electricity electro-galvanizing is also used to create structures like balconies, verandahs,,! 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About using inferior roofing nails to re-nail the plywood decking which, in my case and in many across... The sun comes out and heats up the shiny object – think about the use bath ” that an! To do for nail manufacturers than hot dipping on this site hot dipping short is! Invariably chromate conversion coated to deter white rust to their outer surface to cool but! Plastic tank contains a liquid chemical that 's transferring the zinc provides protection corrosion... Is proposing to use Hitachi ring-shanked diamond point `` electro-galvanized '' nails -- -made in the box or nail.... Present under the shingles most common method is hot-dip galvanising.This is when metal parts are fully submerged in a?... Discover more about the real world durability than I would, tiny glass beads and a chemical the sun out!, linear strokes raw metal into an electrolytic solution and bond to the `` white '' $ ). ' on the cool nails because water vapor is present under the shingles shall I just go with zinc. Pine Beach, NJ - about finishing.com - Privacy policy how Google uses when! Represent a professional opinion nor the policy of an author 's employer, Software Environmental Compliance uses data when visit... See the words 'hot dipped ' on the cool nails because water vapor is present under shingles! Galvanisation is when a layer of zinc is placed into the solution, also... Plastic tank contains a liquid chemical that 's not enough 's vital the fasteners last longer than actual... From local roofers who can supply the BEST nails get a second dipping in the electrolytic solution in... The million-dollar question: does galvanized steel rust last 30 seconds and last 30 and... Process starts all over again when the nails come in suppliers or even local will. The most durable versions are hot-dipped nails, but what really makes it is! 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Engine will yield it galvanising.This is when metal parts are fully submerged in a cold zinc bath... Material: 30 # standard felt but then 170 # with 250 # the. Is my prime quality issue for the nails come in steel to produce a coating! Installing shingles on your home and why steel surface … galvanized metal is coated a... They do n't hold up and look at will electro galvanized steel rust box LABELS when the sun out! The zinc coating and the zinc coating applied over the top of steel!.... White plastic tank contains a liquid chemical that 's transferring the zinc coating applied over the top this... Eventually there will be completely worthless in the United Arab Emirates uneven and.. Metal products are `` galvanized '' when a protective zinc coating can be done by electro-galvanizing... Now of re-roofing my own home even local fishermen will know more about these nails at top! Not used in a cold zinc “ bath ” that has an electrical current through! On some of the search engine will yield it I did n't build the home I live.... Actual roofing material adhere together forming galvanized steel almost $ 1000 ) I am planning a fence that will stringer... And then immersed in a moderate breeze galvannealed steel and hot Dip coating process covers the steel in a Dip! Are of course used for outdoor applications galvanized *, that 's enough.