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Forum: General Discussion (Off-Topic)

08-13-2009, 09:02 AM

Replies: 19

sealing air evacuated glass blocks

Views: 2,015

Posted By GasSavers_maximilian

I've been leaning that way as it's just so much...

I've been leaning that way as it's just so much easier to build. Not as sexy, but practical. I was looking at those hand carved Indonesian folding screens and thinking how pretty a support grid along...

Forum: General Discussion (Off-Topic)

08-10-2009, 01:17 PM

Replies: 19

sealing air evacuated glass blocks

Views: 2,015

Posted By GasSavers_maximilian

At least the argon is at the same pressure as the...

At least the argon is at the same pressure as the atmosphere. Vacuum ought to leak much more, I'd think. My vacuum sealer for food seems to be able to keep a pretty good vacuum for a couple weeks at...

Forum: General Discussion (Off-Topic)

08-10-2009, 09:27 AM

Replies: 19

sealing air evacuated glass blocks

Views: 2,015

Posted By GasSavers_maximilian

My current house has R50 walls and an R60 attic...

My current house has R50 walls and an R60 attic so I want to try and match that level. If you care about the view, the new window technologies are the way to go (although thermal shutters might be...

Forum: General Discussion (Off-Topic)

08-07-2009, 02:03 PM

Replies: 19

sealing air evacuated glass blocks

Views: 2,015

Posted By GasSavers_maximilian

It all depends on how much large panels wind up...

It all depends on how much large panels wind up leaking (ruled out glass block now). I suspect they'll only need to be topped off on the order of several weeks or months, even if plain old silicone...

Forum: General Discussion (Off-Topic)

08-07-2009, 09:30 AM

Replies: 19

sealing air evacuated glass blocks

Views: 2,015

Posted By GasSavers_maximilian

Apparently a lot of glass block is partially...

Apparently a lot of glass block is partially evacuated (just by virtue of the super heated air during the manufacturing process). The installed end result is an R value of 1.96, almost certainly...

Forum: General Discussion (Off-Topic)

08-07-2009, 09:18 AM

Replies: 19

sealing air evacuated glass blocks

Views: 2,015

Posted By GasSavers_maximilian

Given the small size of the blocks, you're...

Given the small size of the blocks, you're probably correct. That's another reason to explore the panel approach, since there'd be so much less edge involved. I should run the conduction numbers...

Forum: General Discussion (Off-Topic)

08-07-2009, 09:15 AM

Replies: 19

sealing air evacuated glass blocks

Views: 2,015

Posted By GasSavers_maximilian

But how do I maintain a vacuum while I do it? I...

But how do I maintain a vacuum while I do it? I rejected that before, but now that I think, though, maybe it's not so impossible. All I need is an electric heater to melt some glass right above the...

Forum: General Discussion (Off-Topic)

08-07-2009, 08:52 AM

Replies: 19

sealing air evacuated glass blocks

Views: 2,015

Posted By GasSavers_maximilian

Managing to find some data on permeability to...

Managing to find some data on permeability to gasses for various materials. Unfortunately, the tables tend to concentrate on the really excellent ones, so I can't find much (yet) on plastics or...

Forum: General Discussion (Off-Topic)

08-07-2009, 08:31 AM

Replies: 19

sealing air evacuated glass blocks

Views: 2,015

Posted By GasSavers_maximilian

Thanks for the suggestion. I emailed them to make...

Thanks for the suggestion. I emailed them to make sure it'd stop air over decades of exposure, since many plastics won't.

Forum: General Discussion (Off-Topic)

08-07-2009, 04:23 AM

Replies: 19

sealing air evacuated glass blocks

Views: 2,015

Posted By GasSavers_maximilian

sealing air evacuated glass blocks

Air evacuated panels can obtain R 70 per inch, but they have to take the 14.7 psi of the atmosphere, so the internal support systems tend to rule out windows. If I just cared about visible light and...

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