{"id":3502,"date":"2026-09-29T04:32:12","date_gmt":"2026-09-28T20:32:12","guid":{"rendered":"http:\/\/www.koratphotographer.com\/blog\/?p=3502"},"modified":"2026-09-29T04:32:12","modified_gmt":"2026-09-28T20:32:12","slug":"can-an-aluminium-curtain-wall-be-used-in-cold-climates-4681-cbd36b","status":"publish","type":"post","link":"http:\/\/www.koratphotographer.com\/blog\/2026\/09\/29\/can-an-aluminium-curtain-wall-be-used-in-cold-climates-4681-cbd36b\/","title":{"rendered":"Can an aluminium curtain wall be used in cold climates?"},"content":{"rendered":"

Hey everyone, it\u2019s Jake here, and I run an aluminum curtain wall supply company\u2014so when people ask me all the time, \u201cCan an aluminum curtain wall even work in super cold climates?\u201d I get it. At first glance, aluminum might feel like it\u2019s for sunnier places, right? But honestly, after 12 years of dealing with projects in places like Minneapolis, Calgary, and even parts of northern Canada, I\u2019m here to say: yeah, it absolutely can. But there\u2019s a right way to do it, and a wrong way. Let\u2019s break this down like we chat over coffee, no fancy jargon, just real-world stuff I\u2019ve seen and dealt with. Aluminium Curtain Wall<\/a><\/p>\n

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First off, let\u2019s get one basic thing out of the way: aluminum itself doesn\u2019t hate cold weather. Wait\u2014what happens to metal when it gets really cold? Oh right, some materials get brittle. But aluminum? No. Aluminum\u2019s actually got this thing called \u201cductility,\u201d which is just a fancy way of saying it bends instead of snapping when it\u2019s cold. I\u2019ve seen steel crack during a -30\u00b0F test because it got too brittle, but aluminum? It held up. Not to mention, aluminum doesn\u2019t rust like iron or steel when it\u2019s exposed to snow, ice, and road salt (which is a big one for cold climates\u2014everyone salts roads to keep them clear, and that salt sticks to buildings). A steel curtain wall would start corroding within a few years up there, but aluminum? It forms this super thin, natural oxide layer when it\u2019s exposed to air that acts like a shield. That\u2019s why it\u2019s been used for exterior building parts in cold places forever\u2014you just have to pick the right grade. We don\u2019t use flimsy, cheap aluminum for cold-weather jobs; we go for 6063-T5 or 6061-T6 alloy. These are stronger, more resistant to temperature swings, and don\u2019t lose their shape when it\u2019s freezing. That\u2019s a game-changer.<\/p>\n

Now, the big problems with aluminum in cold climates aren\u2019t the metal itself\u2014it\u2019s the details. Let\u2019s talk about thermal expansion, because that\u2019s the thing that trips a lot of people up. Any material expands when it\u2019s hot, contracts when it\u2019s cold. Aluminum does this way more than, say, concrete or glass. If you don\u2019t account for that movement, you end up with gaps, cracked seals, or even panels pulling away from the frame. I learned this the hard way early on. My first big cold-climate project was a 10-story office building in Edmonton, Alberta\u2014super cold, gets to -40\u00b0F in winter, and blasts up to 80\u00b0F in summer. Back then, I just installed panels tight like I would in Florida. By the end of the first winter, the panels had shrunk so much there were half-inch gaps between them. Water got in, froze, expanded, and damaged the seal. Had to rip out half the curtain wall and redo it. Cost me extra time, extra money, and a lot of stress.<\/p>\n

So what\u2019s the fix for thermal movement? We use expansion joints\u2014lots of them. Not the flimsy plastic ones you might see on cheap windows, but heavy-duty aluminum or stainless steel ones that slide and flex. Also, we leave tiny gaps between panels, filled with a closed-cell foam backer rod and silicone sealant made specifically for extreme temps. Regular silicone gets brittle in cold weather and cracks, letting water in. We use ones rated for -60\u00b0F or lower, and they stay flexible year-round. On that Edmonton redo, we added 20% more expansion joints than the original plan, and 15 years later, that building\u2019s curtain wall is still holding up\u2014no leaks, no gaps. That\u2019s the kind of detail that makes or breaks a cold-weather aluminum curtain wall.<\/p>\n

Next up, insulation\u2014this is non-negotiable for cold climates. If you have an aluminum frame that\u2019s just bare metal, it acts like a thermal bridge. That means cold air seeps right through the frame into the building, and warm air inside escapes, making your heating bill skyrocket. No one wants that, especially in places where winter heating costs are through the roof. So how do we fix thermal bridges? We use thermally broken frames. What\u2019s that? It\u2019s two separate aluminum sections\u2014an interior part and an exterior part\u2014connected by a non-metal spacer, usually made of fiberglass or a special polymer that doesn\u2019t conduct heat. Think of it like a thermos: the air gap or the non-metal part stops heat from moving from one side to the other.<\/p>\n

We tested this on a recent apartment building project in Minneapolis. The old plan was for a standard aluminum frame, but we pushed for thermally broken ones. The building\u2019s owner did the math: without the thermal break, their annual heating cost would be around $18,000 a year. With the break, it dropped to $11,000. That\u2019s $7,000 a year they\u2019re saving\u2014they paid for the extra cost of the thermal breaks in just two years. Also, we pair the frames with double- or even triple-pane glass, with argon gas in between. Argon is a heavy gas that doesn\u2019t conduct heat well, so it adds another layer of insulation. I\u2019ve had architects tell me they\u2019re worried triple-pane glass would be too heavy, but modern aluminum curtain wall frames are strong enough to handle it. We did a school project in Anchorage last year with triple-pane, thermally broken frames, and the heating efficiency is way above code. That\u2019s a win-win.<\/p>\n

Another thing people ask about: snow and wind. Cold climates usually have heavy snow loads and high winds, right? Especially places like Chicago or Toronto. Aluminum is strong, but you have to engineer the frames and panels to handle that. We don\u2019t just use off-the-shelf parts for these projects. Our engineers do load calculations specific to each location\u2014how much snow is typical, what\u2019s the maximum wind speed during a storm, even ice buildup on panels. For example, in Buffalo, NY, where we get 80+ inches of snow a year, we make the frames thicker\u20142mm instead of the standard 1.5mm\u2014and add reinforcing struts inside the frame. That way, when snow piles up on the panels, they don\u2019t bend or warp. We also make sure the brackets that hold the curtain wall to the building\u2019s structure are heavy-duty, not the tiny ones you\u2019d use for a residential awning. I\u2019ve seen a building in Detroit where the brackets were too weak, and during a 2019 blizzard, three panels pulled loose and fell onto the sidewalk. No one hurt, but it was a huge mess. We haven\u2019t used that type of bracket on a cold-climate project since.<\/p>\n

Wait, what about ice dams? A lot of old buildings get ice dams on roofs, but curtain walls can have issues too, right? If heat escapes through the wall, it can melt snow on the edge of the roof or the top of the curtain wall, and that water refreezes as it gets cold again, forming ice. That ice can get heavy, and it can also seep into the joints. So how do we prevent that? It goes back to the insulation and thermal breaks. If your curtain wall is well-insulated, less heat escapes, so less melting happens. Also, we add weep holes at the bottom of each panel. Weep holes are tiny little slots that let any water that gets in drain out, instead of pooling and freezing. They\u2019re slanted so snow and debris don\u2019t clog them up. On our Anchorage school, we tested the weep holes during a snowstorm by spraying water on the panels\u2014all of it drained out, no ice buildup. Perfect.<\/p>\n

Is there a downside to aluminum curtain walls in cold climates? Well, yeah\u2014they are more expensive upfront than, say, vinyl or wood. But let\u2019s do the math. Wood rots in constant moisture and cold, so you have to replace it every 20 years or so. Vinyl gets brittle in really cold temps and cracks, same thing. Aluminum? With the right installation and details, it lasts 50+ years. We have a 40-year-old library in Calgary with aluminum curtain walls that\u2019s still in great shape. The heating savings add up too, like that Minneapolis apartment building. Also, maintenance is way easier. You just spray them off with a hose a couple times a year, scrape off any heavy ice, and that\u2019s it. No sanding, no painting, no replacing rotten wood. Over the lifetime of the building, aluminum is actually cheaper.<\/p>\n

I also want to mention something that\u2019s been big lately\u2014sustainability. Aluminum is 100% recyclable, no matter how many times you melt it down. That\u2019s huge for cold-climate projects, which are often commercial buildings that stick around for decades. A lot of our clients care about LEED certification these days, and aluminum curtain walls help with that. The energy efficiency from thermal breaks means lower carbon emissions from heating, and the recyclability keeps waste out of landfills. We recently worked on a net-zero office building in Seattle\u2014wait, no, actually it was in Minneapolis\u2014and their aluminum curtain wall was a big part of hitting their energy goals. That\u2019s something a lot of people don\u2019t think about when they\u2019re choosing exterior materials.<\/p>\n

Here\u2019s the thing I want you to take away: aluminum isn\u2019t a \u201csunny climate only\u201d material. It works in cold climates, but you can\u2019t just order a standard curtain wall and slap it on. You need to work with a supplier who knows the cold\u2014someone who\u2019s been there, messed up, fixed the mistakes, and knows what details matter. That\u2019s us, by the way. We don\u2019t just send you a box of aluminum parts and say \u201cgood luck.\u201d We do on-site visits during the design phase, help with load calculations, pick the right alloys, thermal breaks, sealants, all that stuff. We\u2019ve got a team of engineers who specialize in cold-climate projects, so we don\u2019t guess\u2014we test and calculate.<\/p>\n

I get it, if you\u2019re a contractor or building owner in Minnesota, Canada, Maine, or any place with freezing winters, you\u2019ve heard horror stories about materials failing in cold weather. But those stories are usually from people who cut corners or used the wrong parts. Aluminum is actually one of the best materials you can use because it\u2019s durable, low-maintenance, and efficient. It\u2019s not a one-size-fits-all, but when you tailor it to the climate, it\u2019s unbeatable.<\/p>\n

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If you\u2019re working on a project in a cold climate and you\u2019re curious if aluminum curtain walls are right for you, or if you just want to chat about the details\u2014hit us up. We\u2019ve got case studies of every cold city I mentioned, we can walk through your project, and help you figure out what works. No pushy sales stuff, just real advice from someone who\u2019s been doing this for years and cares about buildings that last.<\/p>\n

Aluminum Honeycomb Panel<\/a> References<\/p>\n

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  1. Aluminum Association. (2022). Aluminum in Cold Climate Construction: Performance and Design Guidelines. Washington, DC: The Aluminum Association.<\/li>\n
  2. North American Insulation Manufacturers Association. (2021). Thermal Bridging Solutions for Exterior Building Envelopes. Alexandria, VA: NAIMA.<\/li>\n
  3. American Architectural Manufacturers Association. (2020). AAMA 1503: Voluntary Test Method for Thermal Transmittance and Condensation Resistance of Windows, Doors, and Curtain Walls. Schaumburg, IL: AAMA.<\/li>\n
  4. City of Edmonton Building Department. (2019). Cold Climate Building Envelope Requirements and Best Practices. Edmonton, AB: City of Edmonton.<\/li>\n<\/ol>\n
    \n

    Zhejiang Ouzhijie Aluminium Co., Ltd.<\/a>
    We are one of the most professional aluminium curtain wall manufacturers and suppliers in China, featured by high quality customized products. Please rest assured to wholesale bulk aluminium curtain wall for sale here from our factory. Also, quotation is available.
    Address: No.277 Shuguang Road,Tudian Industrial Zone,Tongxiang City, Zhejiang Province, China
    E-mail: Ada@ozjpanel.com
    WebSite:     https:\/\/www.ozjpanel.com\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

    Hey everyone, it\u2019s Jake here, and I run an aluminum curtain wall supply company\u2014so when people … Can an aluminium curtain wall be used in cold climates?<\/span>Read more<\/a><\/p>\n","protected":false},"author":277,"featured_media":3502,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[3465],"class_list":["post-3502","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry","tag-aluminium-curtain-wall-45f1-cc1f8f"],"_links":{"self":[{"href":"http:\/\/www.koratphotographer.com\/blog\/wp-json\/wp\/v2\/posts\/3502","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.koratphotographer.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.koratphotographer.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.koratphotographer.com\/blog\/wp-json\/wp\/v2\/users\/277"}],"replies":[{"embeddable":true,"href":"http:\/\/www.koratphotographer.com\/blog\/wp-json\/wp\/v2\/comments?post=3502"}],"version-history":[{"count":0,"href":"http:\/\/www.koratphotographer.com\/blog\/wp-json\/wp\/v2\/posts\/3502\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.koratphotographer.com\/blog\/wp-json\/wp\/v2\/posts\/3502"}],"wp:attachment":[{"href":"http:\/\/www.koratphotographer.com\/blog\/wp-json\/wp\/v2\/media?parent=3502"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.koratphotographer.com\/blog\/wp-json\/wp\/v2\/categories?post=3502"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.koratphotographer.com\/blog\/wp-json\/wp\/v2\/tags?post=3502"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}