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#11
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Thermal Pane
On Jul 13, 11:57 pm, nJb wrote:
Michael wrote: Jack wrote: We do it all the time at our studio. If you can't figure it out you might want to take it to a pro. *************** I think I'd hesitate to do it myself, but it doesn't keep me from being curious about the technique and the hardware. Southern Glass said that there was somebody in Indianapolis who could do it for me. Thanks, Michael That spacer you are talking about is the adhesive and dessicant. Comes in rolls of various thicknesses. The black stuff is silicone. We often install at 3000' higher elevation than we build them. We install a capillary tube to equalize the pressure and pull it out at the installed elevation. Jack In my neck of the woods only a flexible spacer is used on curvy stuff. Aluminum spacer bars for everything else. The bars are 3/8" wide and 3/8" tall and generally one bar is half filled with dessicant to absorb any moisture trapped between the two pieces of glass. Hot butyl is then applied with a squeeze gun to the edge of the unit. If stained glass goes into the unit then neoprene block are inserted into the butyl at the bottom of the unit to prevent the unit from pushing the spacer bar into the butyl. |
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#12
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Thermal Pane
On Jul 13, 1:01?pm, Michael wrote:
I visited with a very nice lady at Southern Glass down here at Jacksonville a few days ago. They were using a perimeter spacer and adding a eighth-inch plate of glass to either side, making the panes a complete and energy-efficient window between outside and inside. Has anybody else done this? Is there any description of the hardware and procedure necessary to do it? Thanks, Michael I like JK Sinrod's reply. Sandwiching stained glass inside a double glazed, insulating window isn't worth doing. The black sealant used by lots of reputable window manufacturers fails often. I've worked as a builder for many years and have seen many such windows - Pella, Harvey, JB, and custom windows - fog up. This is failure of the sealant. The better way to make an insulating window is with heat, which Andersen did with their "permashield" windows. If you want to protect stained glass use heavy plate, or polycarbonate sheet, or sandwich it without trying to make an insulating panel. Insulating panels are not much better than single panels anyway. Well, they're twice as good - but still not very good. Most of the heat lost through windows is by drafts. |
#13
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Thermal Pane
"John Bassett" wrote in message ups.com... On Jul 13, 1:01?pm, Michael wrote: I visited with a very nice lady at Southern Glass down here at Jacksonville a few days ago. They were using a perimeter spacer and adding a eighth-inch plate of glass to either side, making the panes a complete and energy-efficient window between outside and inside. Has anybody else done this? Is there any description of the hardware and procedure necessary to do it? Thanks, Michael I like JK Sinrod's reply. Sandwiching stained glass inside a double glazed, insulating window isn't worth doing. The black sealant used by lots of reputable window manufacturers fails often. I've worked as a builder for many years and have seen many such windows - Pella, Harvey, JB, and custom windows - fog up. This is failure of the sealant. The better way to make an insulating window is with heat, which Andersen did with their "permashield" windows. If you want to protect stained glass use heavy plate, or polycarbonate sheet, or sandwich it without trying to make an insulating panel. Insulating panels are not much better than single panels anyway. Well, they're twice as good - but still not very good. Most of the heat lost through windows is by drafts. One of the 1st things I learning at the end of the cheap fuel days was that infiltration is 95% of energy loss. Simple glazing, caulk and mouldings solves most of it. With each extra layer of glazing from single to double to triple, you gain a smaller advantage, and a longer period of recovery of costs. I always chuckle when they ask about energy efficiency when I see a Hummer parked next to the Lexus in their driveway! -- JK Sinrod www.SinrodStudios.com www.MyConeyIslandMemories.com |
#14
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Thermal Pane
Hello,
I saw your post just now. (a little late maybe) It's just a small handjob. please look at the link. You'll see the complete proces in the movie. The whole proces takes about 15 to 20 minutes per window, bigger windows take a slightly more time. http://nl.youtube.com/watch?v=D_akDCFQQMc greetings Glasatelier Max. "Michael" schreef in bericht ups.com... I visited with a very nice lady at Southern Glass down here at Jacksonville a few days ago. They were using a perimeter spacer and adding a eighth-inch plate of glass to either side, making the panes a complete and energy-efficient window between outside and inside. Has anybody else done this? Is there any description of the hardware and procedure necessary to do it? Thanks, Michael |
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