{"id":3545,"date":"2026-10-21T12:53:29","date_gmt":"2026-10-21T04:53:29","guid":{"rendered":"http:\/\/www.siskiyoucustommilling.net\/blog\/?p=3545"},"modified":"2026-10-21T12:53:29","modified_gmt":"2026-10-21T04:53:29","slug":"what-are-the-common-problems-with-aluminum-doors-4799-903f48","status":"publish","type":"post","link":"http:\/\/www.siskiyoucustommilling.net\/blog\/2026\/10\/21\/what-are-the-common-problems-with-aluminum-doors-4799-903f48\/","title":{"rendered":"What are the common problems with aluminum doors?"},"content":{"rendered":"

Alright, let\u2019s break down what can go wrong with aluminum doors, even though they\u2019re supposed to be tough. I\u2019m an aluminum door supplier, so I\u2019ve seen these issues up close with homeowners, builders, and contractors. Let\u2019s keep this real\u2014no stuffy industry jargon, just stuff I actually run into every week. Aluminum Door<\/a><\/p>\n

<\/p>\n

First, let\u2019s get one thing straight: aluminum is a great material for doors. It\u2019s lightweight, durable, doesn\u2019t rot like wood, and is way cheaper than steel. But that doesn\u2019t mean it\u2019s invincible. I\u2019ve had customers come to me with door problems that make them wonder why they didn\u2019t go with something else. Most of the time, those issues aren\u2019t the metal itself being bad\u2014they\u2019re how the door was installed, or the cheap parts someone tried to save a buck on.<\/p>\n

Let\u2019s start with the big one: thermal expansion and contraction. Aluminum is a metal that heats up and cools way faster than wood or vinyl. Like, way faster. So if your door is installed too tight in the frame, when the sun blasts on it all day in summer, it expands. A lot. Suddenly, it sticks in the frame, you can\u2019t open it, maybe even the frame gets bent a little. Then winter hits, it contracts, and now there are gaps where air leaks in. I had a customer last year with a back door in their sunroom\u2014they installed it themselves, skipped the gap sealant, and by July, the door was so stuck they had to call a locksmith. It turns out aluminum expands about 12 times more than steel when heated, so you can\u2019t just hammer it into place like a wooden door. That\u2019s the number one mistake I see, and it\u2019s 100% avoidable if you leave the install to someone who knows what they\u2019re doing.<\/p>\n

Next up: corrosion. Wait, aluminum doesn\u2019t rust, right? That\u2019s true\u2014rust is iron oxide, so aluminum doesn\u2019t get that. But it does corrode. Not the red rust kind, but white powdery corrosion called alumina, or sometimes \u201cwhite rust\u201d even though it\u2019s not the same as steel white rust. This happens when aluminum is exposed to moisture and salt, or when it\u2019s sitting next to other metals like steel. If your door hardware is steel, and the screws holding the door to the frame are steel, over time they\u2019ll react with the aluminum in a process called galvanic corrosion. I had a condo building client a few months back\u2014they used cheap steel screws on their balcony doors, and within two years, the screw heads were crumbly, and parts of the door frame had that white chalky stuff. It\u2019s not dangerous, but it looks terrible, and the screws can break so the door becomes loose. The fix is easy: use stainless steel or brass hardware, not steel. But a lot of builders cut corners there.<\/p>\n

Then there\u2019s the hardware. People sleep on door hardware, I swear. Aluminum door hinges, locks, handles\u2014they\u2019re often an afterthought, and they get the cheapest stuff available. I\u2019ve seen locks on aluminum doors break after two years of use, hinges that sag so bad the door scrapes the floor. Aluminum door frames are sturdy, but if the hinges are weak, the whole door\u2019s going to lean. Sagging doors aren\u2019t just annoying\u2014they let in bugs, air, even intruders. I had a family come to me last winter because their front door was sagging so much their heating bill went up $80 a month. They had a cheap 3-hinge setup, I replaced it with 4 heavy-duty stainless steel hinges and a reinforced lock, and their energy bill dropped right back down. The lesson here: don\u2019t skimp on the hardware. That\u2019s where the durability lives.<\/p>\n

What about the seals? Most aluminum doors have rubber or foam seals around the edges to keep air and water out. Those seals degrade over time, especially if they\u2019re in direct sunlight. Sunlight breaks down the rubber, it gets hard, cracks, and falls off. Suddenly, you\u2019ve got gaps around your door, drafts in winter, water leaking in when it rains. I had a customer last spring whose garage door (aluminum, obviously) had a cracked bottom seal. When it rained hard, the whole garage flooded an inch deep. They tried a cheap replacement seal from the hardware store, but it didn\u2019t fit right, so I supplied a custom-fit EPDM seal that lasted way longer. The thing is, seals are supposed to be replaced every 5-7 years, but most people don\u2019t even know that until there\u2019s a problem.<\/p>\n

Wait, there\u2019s also the issue of poor finish. A lot of aluminum doors get powder-coated, which is great\u2014it gives them a nice color and protects the metal. But if the powder coating is applied wrong, or it\u2019s a cheap grade, it can chip, peel, or fade. I\u2019ve had customers with white aluminum doors that turned yellow after three years of sun, because the coating was low-quality. Or doors where the powder coating chipped right where the doorknob hits it, exposing the aluminum to moisture and leading to that corrosion I talked about earlier. The fix here is simple: specify a good powder coating, maybe even a baked-on one with UV protection. It costs a little more up front, but you won\u2019t be repainting or fixing chipped parts in a year.<\/p>\n

Oh, and let\u2019s not forget about impact damage. Aluminum doors are lighter than steel, so they\u2019re easier to dent. Not that they\u2019re super flimsy, but if a kid hits a baseball at them, or a moving truck scratches them, or something heavy falls on them, they can get dented. Dents don\u2019t just look bad\u2014they can trap moisture, leading to corrosion, or make it hard to open the door properly. I had a guy come in last month whose sliding aluminum patio door got dented when his lawnmower hit it. We had to replace the whole frame because the dent was too big to fix, and it was sticking when he tried to slide it. Again, this is a trade-off\u2014aluminum is light, so it\u2019s easier to install, but it\u2019s not as impact-resistant as steel. But most people don\u2019t need steel for their front door, right? Unless you\u2019re in a super high-crime area, aluminum is more than sturdy enough, just don\u2019t expect it to be a tank.<\/p>\n

Wait, is there anything else? Oh, installation gaps. I touched on this with thermal expansion, but even beyond that, if the door isn\u2019t plumb or level when it\u2019s installed, it\u2019ll rub, stick, or wear out the hinges faster. A lot of handymen will just throw a door in without checking it\u2019s level, and six months later you\u2019ve got a door that won\u2019t close right. I once had a builder client who used a guy that installed 10 aluminum doors for a new house, and all of them were a little off-level. We had to go back and adjust every frame, re-seal the gaps, and replace two hinges that were already worn out. It cost him more than if he\u2019d hired a professional installer in the first place. That\u2019s the thing with aluminum doors\u2014they\u2019re not like wooden doors, where you can plane them a little if they\u2019re off. You can\u2019t plane aluminum, so the install has to be perfect.<\/p>\n

Now, let\u2019s get real\u2014most of these problems aren\u2019t because aluminum is bad. They\u2019re because of cutting corners: cheap hardware, wrong install, bad seals, low-quality coating. I sell aluminum doors, so I want my customers to have them last, right? That\u2019s why I give free install tips with every door I sell, and I only work with trusted local contractors that I know do the job right.<\/p>\n

If you\u2019re thinking about getting an aluminum door, my advice is: don\u2019t just go for the cheapest one. Check the hardware\u2014make sure it\u2019s stainless steel or brass. Ask about the powder coating\u2014what grade is it? Is it UV-resistant? And don\u2019t try to install it yourself unless you know what you\u2019re doing. Aluminum doors need precise gaps for expansion, and bad install will lead to all the problems I talked about.<\/p>\n

If you\u2019ve got an aluminum door that\u2019s giving you trouble\u2014sticking, drafts, corrosion, whatever\u2014hit me up. I can help you figure out if it\u2019s a quick fix or if you need a new door, and I can make sure it\u2019s installed right this time. No more wasted money on cheap stuff that breaks in a year.<\/p>\n

Wait, let\u2019s make sure I didn\u2019t miss anything. Oh, sliding doors specifically\u2014they can get dirty in the track, right? Aluminum sliding patio doors have tracks at the bottom, and if dirt, leaves, or debris gets in there, the door won\u2019t slide smoothly. I had a customer whose sliding door was so dirty in the track, he had to pry it open. It wasn\u2019t a door problem, it was a track problem, but it\u2019s super common. Cleaning the track every month or so is all it takes to keep that from happening. That\u2019s a simple maintenance thing most people don\u2019t think about.<\/p>\n

Okay, so to wrap this up: aluminum doors are great, but they have their own set of issues, mostly tied to how they\u2019re made, installed, and maintained. The main ones are thermal expansion leading to sticking, corrosion from wrong hardware, cheap seals degrading, sagging from bad hinges, and impact dents. All of these are avoidable if you invest in quality parts and professional install.<\/p>\n

If you\u2019re in the market for a new aluminum door, or you\u2019re having problems with an old one, don\u2019t hesitate to reach out for a consultation. I\u2019m here to help you pick the right door for your home, make sure it\u2019s installed correctly, and keep it in good shape for years. No pressure, just honest advice from someone who\u2019s been in this business for a while.<\/p>\n

References<\/h3>\n
    \n
  1. American Architectural Manufacturers Association (AAMA). (2021). Performance Standards for Aluminum Doors and Windows.<\/li>\n
  2. International Code Council (ICC). (2022). Residential Code Requirements for Exterior Door Installation.<\/li>\n
  3. Steel Construction Institute. (2020). Galvanic Corrosion: Prevention Guidelines for Aluminum-Metal Assemblies.<\/li>\n
  4. DuPont Performance Coatings. (2019). UV Resistance of Powder Coatings for Exterior Building Products.What\u2019s up, everyone. If you\u2019ve ever shopped for exterior doors, you\u2019ve definitely seen aluminum ones\u2014they\u2019re everywhere these days. Lightweight, doesn\u2019t rot, cheaper than steel, come in a million styles\u2026 they sound like a no-brainer, right? But here\u2019s the thing: I\u2019ve been an aluminum door supplier for 8 years, and I\u2019ve seen way too many people deal with headaches from aluminum doors that \u201cshouldn\u2019t\u201d have problems. Most of these issues aren\u2019t the metal\u2019s fault\u2014they\u2019re mistakes people make with install, parts, or even basic upkeep. Let\u2019s break down the common stuff I run into, no fancy jargon, just real stuff I see every week.<\/li>\n<\/ol>\n

    First off, thermal expansion and contraction. Aluminum is weirdly good at heating up fast and expanding. Like, way faster than wood or vinyl. I\u2019m talking about 12 times more expansion than steel when hit with direct sun. So if your door\u2019s crammed too tight into the frame\u2014something super common when DIYers skip the gap planning\u2014summer hits, the door swells, and suddenly it\u2019s stuck. You yank on it, maybe the frame bends a little, and then when winter rolls around, it shrinks so much there are gaps big enough to let in drafts. Last year, I had a customer with a back door in their sunroom. They installed it themselves, didn\u2019t leave any room for expansion, and by July, they had to call a locksmith just to get inside their own house. The locksmith told them the door was so expanded it was warping the frame. That\u2019s 100% avoidable. If you hire someone who knows aluminum, they\u2019ll leave a 1\/8 to 1\/4 inch gap around all sides for the metal to move. DIYers almost never do that.<\/p>\n

    Next up, corrosion\u2014even though aluminum doesn\u2019t rust. Wait, hold on, that\u2019s true! Rust is iron oxide, so aluminum doesn\u2019t get that red, flaky rust. But it does corrode, just a different kind. It\u2019s called alumina, or sometimes people call it \u201cwhite rust\u201d even though it\u2019s not the same as steel corrosion. This happens when aluminum is near other metals, like steel screws or hinges, in a process called galvanic corrosion. The two metals react with moisture, and you get that crumbly white powdery stuff eating away at both the door frame and the hardware. I had a condo client a few months back who used $2 steel screws to mount their balcony doors. Within two years, the screw heads were crumbling, and part of the door frame was so corroded it had a hole in it. They thought aluminum was indestructible, but pairing it with cheap steel parts is a death sentence. The fix? Use stainless steel or brass hardware\u2014they\u2019re a little more expensive, but they won\u2019t react with aluminum. That\u2019s the #1 rule for avoiding corrosion issues.<\/p>\n

    Then there\u2019s the sagging door problem, which ties back to hardware. Most aluminum doors come with basic hinges, but those cheap 3-hinge setups are not enough for full-size exterior doors. Aluminum is light, but if the hardware is flimsy, it\u2019ll sag. And sagging doors do so much more than annoy you\u2014they scrape the floor, let bugs and air seep through, and even make locks not work right. I had a family last winter whose front door sagged so bad their heating bill went up $95 a month. They had the builder\u2019s cheap hinges, so we swapped them for 4 heavy-duty stainless steel hinges and a reinforced deadbolt. Their energy bill dropped right back to normal within a month. The lesson here: hardware isn\u2019t an afterthought. Don\u2019t buy a door and pair it with $10 hinges from the hardware store. It\u2019s false economy.<\/p>\n

    Seals are another big one. Aluminum doors have rubber or foam seals around the edges to keep wind, rain, and critters out. But those seals degrade over time\u2014especially if they\u2019re in direct sunlight. UV rays turn rubber hard, crack it, and it starts falling off. Suddenly, you\u2019ve got gaps around your door. Last spring, a customer came to me because his garage aluminum door had a cracked bottom seal. When it rained hard, the garage flooded an inch deep. He tried a generic seal from the store, but it was the wrong size, so it didn\u2019t fix the leak. I supplied a custom-fit EPDM seal (that\u2019s the good stuff, way more UV-resistant) and it\u2019s held up for two years now. The thing no one tells you: door seals need to be replaced every 5-7 years. Most people don\u2019t notice until there\u2019s a problem\u2014like a flooded garage or a bug infestation from gaps.<\/p>\n

    Poor finish is another issue that crops up. Most aluminum doors get powder-coated, which is great\u2014it gives them color and protects the metal. But if the coating is cheap or applied wrong, it chips, peels, or fades fast. I had a customer with white front doors that turned a gross yellow color after just three years. The builder used low-grade powder coating that didn\u2019t have UV inhibitors. Then there was another guy whose door chipped right where his doorknob hits it, exposing raw aluminum to moisture and leading to that white corrosion we talked about. The fix here is to ask for baked-on powder coating with UV protection. It costs a little more up front, but you won\u2019t be repainting or fixing chipped edges in 12 months.<\/p>\n

    Sliding aluminum doors have their own set of problems too. The track at the bottom gets clogged with dirt, leaves, pet hair\u2014all kinds of gunk. I\u2019ve seen sliding doors so jammed with debris you had to pry them open. It\u2019s not a door defect, it\u2019s just bad maintenance, but it\u2019s super common. The fix is simple: clean the track every month with a brush and a little soap, and lubricate it with silicone spray twice a year. Most people forget that part, so their sliding door feels like a workout.<\/p>\n

    And let\u2019s be real\u2014aluminum dents easier than steel. It\u2019s lighter, so that\u2019s a trade-off. If a kid hits a baseball at it, or a moving truck scratches it, or a patio furniture set falls on it, you get a dent. Small dents are just cosmetic, but big ones can trap moisture and lead to corrosion, or make the door rub when you open\/close it. Last month, a guy brought his aluminum patio door to me after his lawnmower hit the frame. The dent was so bad it was sticking when he slid it, so we had to replace the whole frame. It wasn\u2019t a failure of aluminum\u2014it was just a trade-off for how lightweight and easy to install it is. If you\u2019re in a super high-impact area, steel might be better, but for most homes, aluminum is fine\u2014just don\u2019t throw a lawnmower at it.<\/p>\n

    <\/p>\n

    Here\u2019s the thing I want everyone to know: almost all these problems are avoidable. Aluminum doors aren\u2019t junk, but they\u2019re not invincible either. The biggest mistakes people make are: DIYing the install and skipping the expansion gaps, using cheap hardware and screws, ignoring seal maintenance, and buying low-quality coating. I don\u2019t sell garbage doors, but even the best door will mess up if you install it wrong.<\/p>\n

    Aluminum Composite Panel<\/a> If you\u2019re in the market for an aluminum door, or you\u2019re dealing with a problem with an old one, don\u2019t waste money on quick fixes. Talk to someone who knows aluminum doors\u2014someone who\u2019s actually seen these issues, not just a salesperson pushing the cheapest option. I help people pick doors that fit their home, make sure they get the right hardware, and even connect them with trusted local installers if they need one. No pressure, just honest advice. If you\u2019ve got a sticking door, a sagging frame, or that annoying draft under your aluminum door, hit me up to chat. I\u2019ll help you figure out if it\u2019s a $20 seal swap or time for a new door that\u2019s done right.<\/p>\n

    References<\/h3>\n
      \n
    1. American Architectural Manufacturers Association (AAMA). Performance Standards for Aluminum Doors and Windows, 2021.<\/li>\n
    2. International Code Council (ICC). Residential Code Requirements for Exterior Door Installation, 2022.<\/li>\n
    3. Steel Construction Institute. Galvanic Corrosion: Prevention Guidelines for Aluminum-Metal Assemblies, 2020.<\/li>\n
    4. DuPont Performance Coatings. UV Resistance of Powder Coatings for Exterior Building Products, 2019.<\/li>\n
    5. National Association of Home Builders (NAHB). Maintenance Best Practices for Exterior Door Seals and Hardware, 2023.<\/li>\n<\/ol>\n
      \n

      Zhejiang Jusen Building Materials Technology Co., Ltd.<\/a><\/p>\n

      Address: No.7, Tongyuan Shiquan Industrial Park, Haiyan County, Jiaxing City, Zhejiang Province
      E-mail: sales@jusenzj.com
      WebSite:       https:\/\/www.honeycomb-js.com\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

      Alright, let\u2019s break down what can go wrong with aluminum doors, even though they\u2019re supposed to … What are the common problems with aluminum doors?<\/span>Read more<\/a><\/p>\n","protected":false},"author":137,"featured_media":3545,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[3508],"class_list":["post-3545","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry","tag-aluminum-door-4dc8-909401"],"_links":{"self":[{"href":"http:\/\/www.siskiyoucustommilling.net\/blog\/wp-json\/wp\/v2\/posts\/3545","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.siskiyoucustommilling.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.siskiyoucustommilling.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.siskiyoucustommilling.net\/blog\/wp-json\/wp\/v2\/users\/137"}],"replies":[{"embeddable":true,"href":"http:\/\/www.siskiyoucustommilling.net\/blog\/wp-json\/wp\/v2\/comments?post=3545"}],"version-history":[{"count":0,"href":"http:\/\/www.siskiyoucustommilling.net\/blog\/wp-json\/wp\/v2\/posts\/3545\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.siskiyoucustommilling.net\/blog\/wp-json\/wp\/v2\/posts\/3545"}],"wp:attachment":[{"href":"http:\/\/www.siskiyoucustommilling.net\/blog\/wp-json\/wp\/v2\/media?parent=3545"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.siskiyoucustommilling.net\/blog\/wp-json\/wp\/v2\/categories?post=3545"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.siskiyoucustommilling.net\/blog\/wp-json\/wp\/v2\/tags?post=3545"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}