Waterproof but transparent material

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Discussion Overview

The discussion revolves around finding a waterproof yet transparent material suitable for roofing a balcony area, specifically for drying clothes while protecting them from rain and hail. Participants explore various materials, their properties, and practical considerations for this application.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant inquires about the most transparent and waterproof material that is less brittle than glass for a balcony roofing solution.
  • Another suggests Lucite as a potential option.
  • Corrugated or multiwall polycarbonate sheets are mentioned as commonly used materials, with a note that polycarbonate allows UV light to pass, while Lucite does not.
  • Concerns are raised about polycarbonate's potential to distort, degrade, and yellow over time when exposed to the elements.
  • Tempered glass is proposed as an alternative, particularly for its use in automobile windows and skylights.
  • A participant shares personal experience with polycarbonate, stating it did not yellow or distort over several years when used to cover a fish tank.
  • Another participant suggests considering a retractable structure for better airflow and aesthetics, questioning the need for a permanent solution.
  • Clear plexiglass is mentioned as a suitable option, with a question about its equivalence to Lucite.
  • A clarification is provided that Lucite and plexiglass are trade names for poly(methyl methacrylate), while polycarbonate is noted for its strength and light transmission properties, but with a caution regarding bisphenol A release.
  • One participant poses several questions regarding the specifics of the area to be covered, including size, sunlight exposure, and environmental conditions.

Areas of Agreement / Disagreement

Participants express various opinions on suitable materials, with no consensus reached on the best option. Concerns about polycarbonate's durability and the practicality of different roofing solutions are debated.

Contextual Notes

Participants mention specific properties of materials and their performance under environmental conditions, but there are unresolved questions about long-term durability and suitability for the intended application.

Trainee Engineering
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Hi all,

I'd like to know what is the most transparent material that;s waterproof, but not as brittle as glass. I want to put a "roofing" on a section in my balcony where I usually hang my clothes to dry and disinfect them under the sun, but I don't want to run all the way up everytime it rains. and the reason for "not brittle as glass" is that some times (not often), we have hails, ice cubes raining down from the sky.

thanks
 
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Lucite, perhaps?
 
Corrugated or multiwall polycarbonate sheets are often used for this. They can be obtained from large hardware type stores (Home Depot, Lowes, etc.).

WRT disinfecting, Polycarbonate passes UV, lucite (plexiglas) does not.
 
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BillTre said:
Corrugated or multiwall polycarbonate sheets are often used for this. They can be obtained from large hardware type stores (Home Depot, Lowes, etc.).

WRT disinfecting, Polycarbonate passes UV, lucite (plexiglas) does not.

thanks for the reply. but I read that polycarbonate distort and degrade under constant exposure to the elements. and sometimes, they also yellow overtime. is this true?
thanks
 
Tempered glass, as used in autombile windows and in skylights in buildings.
 
Trainee Engineering said:
I read that polycarbonate distort and degrade under constant exposure to the elements. and sometimes, they also yellow overtime. is this true?

I had some outside for a few (3 or 4) years covering a large fish tank. I don't recall it yellowing or distorting. I did have it on a frame however.
 
You might be better off building something that you can draw out for when it does rain. Even if you put something permanent up, you are still blocking some air flow to your laundry when the protection isn't needed. And it won't look very nice.

Why can't you just go and pin them on a clothes line outside? I was helping with this on the lower lines when I was, like, at least 5/6 years old. You can make a secret hiding spot from others using sheets. When it starts sprinkling, just start running and jerking the clothes off the line. If it's close to your living quarters, then it would be quicker than that. Any quicker and you are better off getting a dryer.
 
Clear plexiglass would work fine for that.
 
RogueOne said:
Clear plexiglass would work fine for that.

Isn't that the same thing as Lucite?
 
  • #10
Poly(methyl methacrylate) = Acrylic = the trade names (lucite = plexiglas = Prespex = Acrylite)

polycarboante = Lexan (trade name)
polycarbnonate is stronger and light passes through it better, but is made with and could release bisphenol A.
 
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  • #11
1. how large is this area ? 2. how many days of sunshine -time duration-sun angles 3. slope angle off roof 4.humidity-temp 24/7-etc.-etc. 5.cloth load! - remember ! our universe is just one of the many bubbles out there.
 

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