The shocking fact is that the “insulated windows” that are highly rated in Japan are considered to be “illegally low quality” overseas.

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0001@Old Man Friends Club ★.Sep. 15, 2024 (Sun) 19:13:34.57ID:4KrksFZy9
This series focuses on the little-known facts about Japanese housing and its performance. This time the theme is “windows.” It is said that the insulation performance of windows is extremely important for keeping a house warm in winter and cool in summer. However, the window situation in Japan is serious, with “the highest-rated insulating windows in Japan having such low performance that they are illegal overseas.” Let me explain in more detail what is really going on in this situation. In fact, the insulation performance of Japanese homes is the lowest among developed countries. There are quite a few facts that are common knowledge among those who know about them, but that many people are unaware of. One of the reasons for this is the fact that Japanese housing performance, especially insulation and airtightness (homes that are warm in winter, cool in summer, and energy-efficient), is exceptionally low among developed countries. Unfortunately, many people considering building a new home or purchasing a condominium seem to be unaware of this fact. Whether or not you know this before building your home will make a big difference in your satisfaction after it is built. Read more at gold online
Yahoo News 2024/09/15
★1 2024/09/15 (Sun) 16:46:32.40
※Previous thread
The shocking fact that the “insulating windows” that are the highest rated in Japan are “illegally low performance” overseas [Ossan Friends’ Club★].

日本で最高評価の「断熱窓」は海外では「違法レベルの低性能」という驚愕の事実 [おっさん友の会★]
日本で最高評価の「断熱窓」は海外では「違法レベルの低性能」という驚愕の事実(THE GOLD ONLINE(ゴールドオンライン)) - Yahoo!ニュース
知られざる「日本の住宅とその性能」について焦点をあてる本連載。今回のテーマは「窓」。冬暖かく、夏涼しい家にするためには、窓の断熱性能が極めて重要だといわれています。しかし、日本の窓事情は深刻で「日本
0019Anonymous Donburako.Sep. 15, 2024 (Sun) 19:22:21.81ID:EOeEOqKG0
>>1
Resin sashes deteriorate due to UV rays, so they require repainting and maintenance. Aluminium sashes are maintenance-free. Aluminum-plastic composite sashes are the most environmentally friendly.
0002Anonymous Donburako.Sep. 15, 2024 (Sun) 19:14:58.22ID:HFbZAF5l0
It’s gotten really hot in the summer, but will it be better if we build at higher density?
0028Anonymous Donburako.Sep. 15, 2024 (Sun) 19:23:39.69ID:C/T7Zj8l0
>>2
If you turn on the air conditioner.
0003Anonymous Donburako.Sep. 15, 2024 (Sun) 19:15:22.30ID:FNsHIP2W0(1/44)
In other countries, they have wooden frame windows, whereas in Japan, they have sashless windows (aluminum or stainless steel).
0055Anonymous Donburako.Sep. 15, 2024 (Sun) 19:28:25.16ID:hojCdZ/n0
>>3
The difference between streetscapes in developed countries overseas is whether they are built with the assumption that they will be torn down in a few decades or not.
Japan is mass production and mass consumption (they don’t build things seriously because they are built with the assumption that they will be torn down in a few decades).
For example, sidewalks on streets overseas are built with stone tiles,
and in Japan they are all paved with asphalt.
Guardrails and park fences overseas are built with some decoration,
but in Japan they are just sticks, sticks, sticks.
0005Anonymous Donburako.Sep. 15, 2024 (Sun) 19:16:44.33ID:1+MP0TeF0
I knew it was cold in the winter.
0006Anonymous Donburako.Sep. 15, 2024 (Sun) 19:17:11.70ID:C3kGd3Ch0(1/2)
Come on, sash maker!
0007Anonymous Donburako.Sep. 15, 2024 (Sun) 19:17:14.00ID:D0QY5K3M0
This is why it’s hot in the summer and cold in the winter.
0008Anonymous Donburako.Sep. 15, 2024 (Sun) 19:17:29.17ID:R7iZ0UoX0
Japland, the land of vanity.
0010Anonymous Donburako.Sep. 15, 2024 (Sun) 19:18:30.24ID:MKpxRhJU0
This can be solved by renovating and installing an interior window. Right now I can get half the subsidy.
0054Anonymous Donburako.Sep. 15, 2024 (Sun) 19:28:15.29ID:d6GoJL2g0
>>10
After doing that, it became much more comfortable.
Air conditioning is still necessary, but it works quickly and my electricity bill went down.
0011Anonymous donburako rolling around.Sep. 15, 2024 (Sun) 19:18:48.60ID:FNsHIP2W0(2/44)
Wooden frames and wooden window frames provide excellent insulation.
0016Anonymous Donburako.Sep. 15, 2024 (Sun) 19:21:16.67ID:JE439kSl0(1/16)
>>11
Old houses have wooden frames, but aluminum is easier to handle.
Wood can rattle and require strength depending on the season, so maybe that’s why ours was cheaply built,
but I only remember everyone feeling relieved when it became aluminum.
0013Anonymous Donburako.Sep. 15, 2024 (Sun) 19:19:13.26ID:8uoWwKX90
If houses were as airtight as they are in Europe, they would rot due to moisture.
0014Anonymous Donburako.Sep. 15, 2024 (Sun) 19:20:12.37ID:FNsHIP2W0(4/44)
>>13
You’re retarded, aren’t you?
Wooden frame vs aluminum sash, right?
0015Anonymous Donburako.Sep. 15, 2024 (Sun) 19:20:51.25ID:cgCHlflJ0
Aren’t you comparing it to countries overseas where the outside temperature drops a lot?
0018Anonymous donburako rolling around.Sep. 15, 2024 (Sun) 19:21:33.83ID:FSmv5nT/0(1/2)
Isn’t it strange that the value of a building becomes zero before you’ve finished paying off your mortgage?
Even though there are typhoons and earthquakes. It would make life easier if you could trust that you could sell it for the same price as when you bought it, without it having to be a lot more expensive like in America.
0022Anonymous Donburako.Sep. 15, 2024 (Sun) 19:22:51.56ID:FNsHIP2W0(5/44)
>>18
Japan is a country prone to earthquakes, with earthquake resistance standards constantly rising.
0030Anonymous Donburako.Sep. 15, 2024 (Sun) 19:23:51.12ID:oDSMsJDc0
>>18
Do you want to buy the house your grandparents have lived in for decades at the original price?
0040Anonymous Donburako.Sep. 15, 2024 (Sun) 19:25:58.82ID:JE439kSl0(2/16)
>>18
Until recently, it was the norm for houses to collapse before the payments were finished.
The reason why the construction industry was doing well was because the price was so high for that house. It was exposed around the time of Tama Homes.
0020Anonymous Donburako.Sep. 15, 2024 (Sun) 19:22:22.55ID:RCLCn+0L0(1/2)
Aluminum sashes should be banned by law.
0021Anonymous Donburako.Sep. 15, 2024 (Sun) 19:22:50.98ID:+JDMQ4jP0(1/9)
I think the story of the three little pigs is a diss on Asian housing. They do live in hovels that could be blown away by a wolf’s blow.
0027Anonymous Donburako.Sep. 15, 2024 (Sun) 19:23:38.06ID:if84F5ae0(1/3)
Aluminum sashes get condensation easily, so I don’t think there are any construction companies these days that use aluminum sashes in new buildings.
0036Anonymous Donburako.Sep. 15, 2024 (Sun) 19:24:59.60ID:PKTYMKYQ0(2/34)
>>27
Wooden buildings have the best humidity control.
0029Anonymous Donburako.Sep. 15, 2024 (Sun) 19:23:45.13ID:u2Hp+FbQ0
Is Tostem to blame?
0032Anonymous Donburako.Sep. 15, 2024 (Sun) 19:24:15.00ID:5NF26zy80
I think Japanese houses are built to make money from endless maintenance by contractors. There’s scaffolding everywhere and it makes the view look bad.
0033Security Guard [lv.4] [Sprout].Sep. 15, 2024 (Sun) 19:24:20.00ID:QES0Mf9P0(1/5)
Whenever they get the chance, leftists like to put down Japan and insult Japan and the Japanese people.
0037Anonymous Donburako.Sep. 15, 2024 (Sun) 19:25:27.51ID:FNsHIP2W0(6/44)
>>33
Japan should go back to the old wooden window frames.
0049Anonymous Donburako.Sep. 15, 2024 (Sun) 19:27:39.03ID:TlixNFz+0
>>33
The people who think like that are old people who haven’t moved on from the high economic growth of Japan in the Showa era.
Today’s Japan is like what you think of Southeast Asia.
It’s a country with less future prospects than any of the current Southeast Asian countries.
0034Security guard [lv.1] [police officer].Sep. 15, 2024 (Sun) 19:24:21.20ID:kbfKg1SF0
The Liberal Democratic Party only comes up with policies that only aim to protect vested interests, not the lives of the people.
0038Anonymous Donburako.Sep. 15, 2024 (Sun) 19:25:30.68ID:QT1sPpxJ0
Is this an industry where foreign capital doesn’t come in?
0043Anonymous Donburako.Sep. 15, 2024 (Sun) 19:26:25.20ID:PKTYMKYQ0(3/34)
>>38
It seems likely that Chinese products will soon be making a full-scale sales offensive.
0039Security Guard [lv.29].Sep. 15, 2024 (Sun) 19:25:31.31ID:MEmGdDQF0
The apartment is on the first floor but it’s cold in the winter.
0066Anonymous Donburako.Sep. 15, 2024 (Sun) 19:30:12.10ID:JE439kSl0(3/16)
>>39
If you don’t insulate the floor properly, the first floor will be cold because the temperature of the ground will be transferred directly to it.
I think it would be most comfortable to live in a three-story house with the second floor as the main floor.
0042Security Guard [lv.4] [Sprout].Sep. 15, 2024 (Sun) 19:26:13.04ID:QES0Mf9P0(2/5)
It’s normal for summers to be hot and winters to be cold. As the only country in the world with four seasons, we should just enjoy each season as it is.
0046Anonymous Donburako.Sep. 15, 2024 (Sun) 19:27:03.38ID:oEPaDZRJ0(1/2)
The humidity in Japan is abnormally high.
0048Anonymous Donburako.Sep. 15, 2024 (Sun) 19:27:26.25ID:mlUpWhxs0
Because Japan has four seasons.
0056Security Guard [lv.4] [Sprout].Sep. 15, 2024 (Sun) 19:28:27.20ID:QES0Mf9P0(3/5)
>>48
Japanese culture is about accepting the heat and cold as they are, as they are. It’s normal for it to be hot in the summer and cold in the winter.
0067Anonymous Donburako.Sep. 15, 2024 (Sun) 19:30:19.09ID:PKTYMKYQ0(4/34)
In Japan, condensation is an issue, so buildings are mainly made of wood rather than all concrete.
Reference: https://asahi.5ch.net/test/read.cgi/newsplus/1726395214

Other languages: 日本で最高評価の「断熱窓」は海外では「違法レベルの低性能」という驚愕の事実, El hecho sorprendente es que las “ventanas aisladas” mejor calificadas en Japón son “ilegalmente de bajo rendimiento” en el extranjero.

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