[HN Gopher] Using Gorilla glass for home building
       ___________________________________________________________________
        
       Using Gorilla glass for home building
        
       Author : nailer
       Score  : 64 points
       Date   : 2025-03-24 00:27 UTC (3 days ago)
        
 (HTM) web link (www.wsj.com)
 (TXT) w3m dump (www.wsj.com)
        
       | biglyburrito wrote:
       | https://archive.is/ysoFM
        
       | mock-possum wrote:
       | As a home owner - updating / improving my windows is a luxury I
       | very much wish I could afford. It's hard to imagine being able to
       | mess with the windows unless it's with a newly purchased empty
       | property.
        
         | jbjbjbjb wrote:
         | Judging by home owners around me it looks to be quite a popular
         | change. As far as I can tell they're pretty much changing like
         | for like (upvc with double glazing) without the energy
         | efficiency upgrade. Changing from white to black frames seems
         | to be the driving factor.
        
           | morkalork wrote:
           | Living in a suburb built in the 60s and 70s the two things I
           | see after every sale is new windows and doors, and digging up
           | and replacing the French drain.
        
         | more_corn wrote:
         | Depending on your heating and cooling bill it could be cost-
         | effective. The new windows are so much more energy efficient
         | that you start to payback the insulation costs pretty quick.
        
         | thathndude wrote:
         | Mine are due to be replaced, and I'll definitely keep my eye on
         | this. But, if that wasn't the case, I wouldn't be running to
         | replace windows before end of life.
        
         | tastyfreeze wrote:
         | Replacing windows is actually one of the easier DIY home jobs
         | you can do. Hell of a lot easier than building a deck that a
         | lot of people do. They are installed after framing and meant to
         | be removed if they break. Removing the trim inside and outside
         | will give you access to the fasteners holding the frame in.
         | 
         | Usually, the hardest part is finding windows that fit and match
         | your taste.
        
           | kirtakat wrote:
           | That's true for relatively new construction, but for
           | instance, I have a 100 year old house with stucco. Replacing
           | my windows is a nightmare job. Whereas my back deck was a far
           | simpler project
        
             | gazook89 wrote:
             | Same here. We removed trim inside the house and it wasnt
             | that bad, but I was just replacing the trim-- not the
             | windows. I could see that removing the windows would be a
             | pain the ass very quickly. And it has already been done
             | once.
        
             | mrj wrote:
             | Yeah, for me my windows weren't standard sizes so had to be
             | custom built, anyhow. At that point, you might as well get
             | installation as well. Some stucco had to be chipped back to
             | insert the new window but it's covered by the vinyl frame.
             | Low-e windows are amazing though.
        
             | kylehotchkiss wrote:
             | I have a stucco home, I've been doing replacement windows
             | (I like milgard) and my stucco hasn't been touched. I have
             | other people install them though.
        
             | blodorn wrote:
             | 100 year old windows were designed for easy maintenance and
             | repair. Are the double hung windows? If they are, you can
             | make sure to have storm windows on which effectively work
             | as a double pane window. If this new glass were available,
             | you could replace every pane in your window without
             | removing a nail.
        
               | drjasonharrison wrote:
               | I seriously doubt they would provide the glass without
               | frames, which requires removing the moulding around the
               | existing window.
        
               | pests wrote:
               | Selling panes of window glass that you then frame in is a
               | common method for larger windows or odd shapes.
               | 
               | Here is a random product on Amazon, custom cut Low E
               | insulated window panes:
               | https://www.amazon.com/dp/B0DHD4F3HY
               | 
               | I see no reason why the company in this post wouldnt.
        
             | bloomingeek wrote:
             | My home is 58 years old. last summer I had the original
             | aluminum single-pane windows replaced with vinyl double-
             | pane ones. I 'assisted' the installer and knew he would
             | prob run into some settling of the window opening. I was
             | right, there's no way I could done the replacements on my
             | own, owing to proper tools alone.
             | 
             | My power company sent me an email the following December
             | telling me my energy savings from the previous October,
             | 2023 (that month only), for the same month in 2024, was
             | 31%! When I called the installer and told him, he said a
             | large part of that was prob from leakage around the old
             | windows and the now double panes.
        
           | fellowniusmonk wrote:
           | Finding the right size windows without having to go custom
           | has proven to be nearly impossible. It's not a hard project
           | but unless you are fortunate with window dimensions it is far
           | more expensive than building a deck.
        
             | nemomarx wrote:
             | naive question- couldn't you resize the hole in the wall to
             | use a larger window pane?
        
               | tastyfreeze wrote:
               | It depends on how the home was constructed. With stick
               | frames the window frame is built to take the load from
               | the studs above it and direct it around the window and to
               | the studs below. It can be done but it is not an easy
               | job. Going smaller is easy though. Just build a smaller
               | frame inside the existing one.
        
               | arwineap wrote:
               | Generally, if you don't want to pull a permit, you can
               | change a windows height but not its width
               | 
               | This is because of how the wood around it is framed to
               | provide support to the wall above
        
               | quickthrowman wrote:
               | You can, but you'd need to remove the siding and drywall
               | and reframe the window opening, see a window framing
               | diagram here, can't cut the king studs or you lose
               | structural integrity: https://www.do-it-yourself-
               | help.com/how-to-frame-a-new-windo...
        
             | Freak_NL wrote:
             | What's wrong with a custom size? I replaced two small
             | windows with triple glass ones, and just ordered the right
             | size online. I don't think it's even possible to buy
             | windows in a standard size (whichever that may be) here in
             | the Netherlands. A professional glazier would order the
             | windows from the factory just as the shop with a fancy
             | website with a configurator did for my order.
        
           | KerrAvon wrote:
           | > Replacing windows is actually one of the easier DIY home
           | jobs you can do
           | 
           | I think you're assuming a baseline level of competence that
           | many don't have. I'm comfortable with electrical work and
           | some plumbing but I wouldn't do my own window installation.
        
         | scarecrowbob wrote:
         | I've replaced windows before, and I'm handy but not a
         | professional.
         | 
         | Depending on the construction it's not super hard to pull them
         | out and put new ones in, it takes about 20-30 min per window.
        
         | oblio wrote:
         | > As a home owner - updating / improving my windows is a luxury
         | I very much wish I could afford.
         | 
         | What has gone wrong in super capitalistic America that much
         | poorer Romanians, for example, can afford average quality
         | double glazed and triple glazed windows and Americans can't?
        
           | onlypassingthru wrote:
           | Labor costs. Work in the trades can pay VERY well in the
           | wealthier parts of the US. Plumbing, electrical, carpentry,
           | tile journeyman can all make over six figures in the major
           | metro areas.
        
       | jimnotgym wrote:
       | Steve Jobs with a windows update? Very confusing
        
       | jml7c5 wrote:
       | This is a strange article. It portrays triple and quadruple pane
       | windows as a new development, but they've been around for years.
       | 
       | As far as I can tell, the only development here is the use of
       | ultra-thin glass in the interior layers. This reduces cost, size,
       | and weight relative to normal triple/quadruple-glazed windows.
        
         | wussboy wrote:
         | My dad built a house in the late 80s with all triple-paned
         | glass...although there were essentially three separate windows,
         | packaged as one.
        
           | kleiba wrote:
           | Except that a cascade of windows is not what is typically
           | referred to as triple-pane. If multiple windows were to count
           | here, then "double-paned windows" have been around for
           | centuries.
        
         | archi42 wrote:
         | I feel like they're around for decades? Gorilla glass is
         | absolutely no necessity to enable 3 or 4 panes. ChatGPT (sry,
         | I'm becoming lazy) agrees that they're available since the
         | 1980s. In the US adoption became more widespread in the 2000s.
         | Here in Europe/Germany they became more popular in the 1990s
         | already. This matches how I remember it.
         | 
         | When we replaced our 1980s double glazed windows with triple
         | glazed a few years ago, I could have easily gotten four-pane
         | insulated windows as well, except for the roof-installed
         | windows. Drawbacks of multi-pane are the increased weight and
         | them being more opaque.
         | 
         | (Yes, we also insulated the walls and can control humidity -
         | just in case someone wants to point out that the window
         | replacement alone can cause moisture/mold damage to our house
         | :))
        
       | eagerpace wrote:
       | It says "only 20% more than energy efficient windows" but those
       | "energy efficient windows" are usually 50% more than the average
       | quality window. Higher quality triple pane windows exist, and
       | they are a luxury for most homeowners. It's great technology, but
       | relatively few people build or upgrade their house with the long
       | term consequences in mind for these things. There's a reason you
       | get a positive ROI when you fix up a kitchen or bathroom versus
       | replacing windows which is typically viewed as maintenance. There
       | needs to be incentives for these upgrades to be adopted by home
       | builders.
        
         | greggsy wrote:
         | Many Australian jurisdictions require the energy efficiency
         | rating to be included with the listing, which factors in things
         | like double glazing.
         | 
         | Their value is absolutely recognised as something greater than
         | maintenance in this market.
        
         | KerrAvon wrote:
         | Buyers absolutely care about energy efficiency and insulation
         | from noise, and neither can be addressed fully without upgraded
         | windows. It's one of the first things experienced homebuyers
         | should look at -- if the windows are 1980's single pane, I'd
         | expect to spend least $20k in window replacement parts + labor
         | for a large house on top of the house price.
        
           | grendelt wrote:
           | It's one of the first things buyers _should_ look at. But
           | they don 't. They check out the kitchen cabinets, bathroom
           | fixtures, and lovely floors and wall finishing.
        
             | drjasonharrison wrote:
             | School district.
        
           | BobaFloutist wrote:
           | The thing is, is 20k really that significant when compared to
           | the price of a large house?
        
         | sccxy wrote:
         | Triple pane windows are not that kind of luxury.
         | 
         | I live in a poor Eastern European country and this is the
         | standard for new buildings.
        
           | drjasonharrison wrote:
           | Ah, but in North America, only double-pane windows are
           | required. Triple-pane windows are considered necessary for
           | noise abatement but are prohibitively expensive. There are
           | government rebates for upgrading older homes from single to
           | double-pane windows, but no third-pane increase in the
           | rebate.
        
             | freedomben wrote:
             | Yes, and to give an idea I replaced some windows in my
             | house a couple years back. The double pane windows on the
             | north side were about $100 to $150 per, while the triple
             | pane windows on the south side were $900. The triple pane
             | also had higher installation labor costs. It seemed
             | ludicrous to me that it would be so much more expensive,
             | but after calling around, that was very typical.
        
               | voisin wrote:
               | Why was labor more expensive?
        
               | delusional wrote:
               | Only thing I could imagine was extra hands to deal with
               | the weight.
        
           | ahofmann wrote:
           | Here in Germany triple pane windows are very much a luxury.
        
             | kleiba wrote:
             | Nonsense, they're pretty much standard for new buildings,
             | too.
        
           | antisthenes wrote:
           | They are the standard, because historically Eastern European
           | winters are several times harsher than anything in USA, with
           | the exception of a few states bordering Canada.
           | 
           | So the ROI is way higher.
        
             | kleiba wrote:
             | They're standard because energy is more expensive in Europe
             | than in the US.
        
               | voisin wrote:
               | Properly priced externalities strike again?
        
               | thrawa8387336 wrote:
               | Sure, if it helps you sleep. There is a good reason for
               | you to consume less
        
         | stronglikedan wrote:
         | After over a decade in my home in a sunny area, I wish I would
         | have replaced the windows with energy efficient ones when I
         | first moved in. Just the savings on power over the past 10
         | years would have made them worth it. I'm pretty sure I'd have
         | at least broken even by now.
         | 
         | All this to say, if I were building a new home, I would make it
         | as energy efficient as possible as soon as possible. In my
         | mind, it would be an investment, not maintenance.
        
         | kev009 wrote:
         | I've met plenty of wealthy people that have the mindset "luxury
         | = frivolous" -- while that may be true to some extent, for i.e.
         | a brand name T-shirt very few people I meet regardless of
         | income bracket understand much of anything about the
         | built/manufactured world.
         | 
         | In most realms, thoughtfully paying more for something yields
         | an economic win over the lifetime (i.e. in this case energy
         | efficiency).
         | 
         | Also somewhat ironically most people (even frugal) have some
         | intuitive appreciation of quality -- if you place fitting
         | architectural windows and doors on a structure your guests will
         | appreciate it at some level, even if they don't understand why
         | -- but expending the mental effort to design in such things is
         | beyond most people for whatever reason even if they can afford
         | it.
         | 
         | Whether it translates into value capture depends on the
         | demographic of buyer, there is a large uncanny valley of
         | builders that will do the lipstick-on-a-pig thing for a flip or
         | even highly priced spec homes but at some point architects
         | prevail and the structure is well designed at the price point.
        
           | bobthepanda wrote:
           | Unfortunately, right now the market is so tight you could put
           | slop out and it would sell like hotcakes.
        
       | shdh wrote:
       | > this glass is so well insulated, it actually creates warmth in
       | his living room: It admits the radiant heat of the low winter sun
       | but prevents conductive heat loss through the window
        
         | joezydeco wrote:
         | You mean, like a greenhouse?
        
       | notmyspacetom wrote:
       | There is a company called LuxWall that is producing vacuum
       | insulated windows that act basically like a thermos. There is a
       | tiny space between the two panes that is pulled down to a high
       | vacuum that results in a window that only transfers heat via
       | radiation. Conductive and convective heat transfer are
       | essentially eliminated. This results in a window with a R value
       | similar to a fully insulated wall. Because the full unit is so
       | thin, they are able to replace single pane windows in old
       | buildings and drastically cut buildings energy consumption.
        
         | xnx wrote:
         | Sounds cool, but also exceedingly difficult to maintain a
         | [near] vacuum over the ~25 year life of a window.
        
           | jajko wrote:
           | One bigger hit and its gone and you will not even know it
           | till it fogs. Even argon glass of same pressure as air can
           | eventually leak out and be replaced by air, reducing its
           | efficiency significantly.
        
             | grendelt wrote:
             | Are these big national-brand window companies that provide
             | "lifetime warranty" just cashing in today and hoping for
             | the best (bankruptcy) exit strategy later when all their
             | installs from this generation fail in a couple decades?
             | 
             | Not installers, but companies like Pella, Window World, et
             | al.
        
               | SoftTalker wrote:
               | They may define "lifetime" as "25 years" or limit the
               | warranty to the original purchaser, knowing that most
               | people don't live in one house that long, or count on the
               | later owners not realizing that there is a warranty, or
               | knowing when or from whom the windows were purchased.
        
               | 0xffff2 wrote:
               | Yeah, there's a disturbing trend of products advertising
               | a "lifetime warranty", only the fine print says that the
               | "lifetime" in question is the "lifetime of the product",
               | which is whatever the manufacturer says it is (usually no
               | better than the competition).
        
           | notmyspacetom wrote:
           | They typically use a getter to maintain the vacuum over the
           | lifetime of the window, similar to other sealed vacuum
           | systems like CRT's or vacuum tubes.
        
             | dredmorbius wrote:
             | For those unfamiliar with getters:
             | 
             | <https://en.wikipedia.org/wiki/Getter>
        
         | greggsy wrote:
         | That's neat but very difficult to maintain, let alone
         | transport. Large panes will also bow under that kind of
         | pressure.
        
           | DeRock wrote:
           | > Large panes will also bow under that kind of pressure.
           | 
           | They typically have support pillars arrayed throughout the
           | panel to prevent any bowing or flexing.
        
       | davidw wrote:
       | Finally, people who live in glass houses will be able to throw
       | stones.
        
       | tristor wrote:
       | One of the biggest expenses I had for my previous home was
       | replacing all the windows. It helped a lot, but unfortunately was
       | $26k to have done properly (could have been done cheaper, but I
       | went for the good stuff) and the net result was a $0 increase in
       | potential sale price. When I sold the house, I only made money on
       | the deal because of the market doubling in the time span I owned
       | the property.
       | 
       | Now I'm looking to buy/build again, and I will still invest in
       | good windows because it makes such a difference on a summer day
       | and with noise, that quality of life difference matters to me,
       | but it seems it doesn't matter to anyone else because it's not
       | priced in and builders don't care. Even if I buy a brand new
       | "energy efficient" track house, it'll have shit windows. Only by
       | building a custom house and mandating these things can I have any
       | hope of getting it if I don't want to dump another $20k-$30k into
       | a house after I buy it.
        
         | kleiba wrote:
         | Interesting, when I lived in Europe, I observed that it was the
         | other way around there: if your house only has double-pane
         | windows from the 80s, that will definitely reduce your sales
         | price quite a bit.
        
       | jeppine wrote:
       | Would encourage anybody who has a historic home pre-1940s to keep
       | their original windows and just restore them. Unless you get 4
       | and 6 pane windows, the energy savings are minimal.
       | 
       | Brent Hull is a good resource on historic windows and outlines
       | the reasons to keep them.
       | https://www.youtube.com/watch?v=J6mAmIrN5qY
       | 
       | Plus, the original windows look significantly better and will
       | last longer.
        
         | downrightmike wrote:
         | Pre 1940 homes were meant to breath. If they don't, they mold
         | and rot
        
         | blacksmith_tb wrote:
         | "[triple pane] windows saved an average of 12% on heating and
         | 28% on cooling"[1]
         | 
         | That said, if you haven't insulated the walls and attic,
         | windows alone won't do much.
         | 
         | 1: https://www.pnnl.gov/news-media/how-triple-pane-windows-
         | stop...
        
       | FuriouslyAdrift wrote:
       | The building I work in has "ballistic" glass in one area that is
       | 6 inches thick (split into three 2" sections internally) and it
       | is soooo quiet. I wish I could get those on my house for noise
       | abatement.
        
       | jmward01 wrote:
       | Not really on topic, sorry, but all I can think about when
       | reading this article is the beginning of The Hudsucker Proxy.
        
       ___________________________________________________________________
       (page generated 2025-03-27 23:00 UTC)