new double panes fogging outside.
islanddevil
13 years ago
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oberon476
13 years agoRelated Discussions
How to fix foggy double-paned windows?
Comments (6)No, I meant to say "glass guru" the chain, not a big-box store--there is actually a chain called "glass guru" which supposedly has a method of drilling two small holes (top right/bottom left) in outside of pane, drying out the condensation between the double-panes, then resealing the window, etc. Guess no one has heard of "glass guru". Replacing my window--will probably need custom bow window made--will run around $5K for the size. Glass guru says I can replace individual panes for around $70 each. At this price I could replace all 15 panels for $1100 or so. Still much cheaper than new window--wood frame is in excellent shape, no rot, just foggy panes. Has anyone ever replaced single double-panes (i.e. baseball accident, etc.)?...See MoreBroken exterior pane of double pane, what to do?
Comments (10)With your glass being so large, you've got "double strength" insulated glass units (IGU). When one of the pieces breaks, not only has that glass been destroyed, but the sealed airspace has been destroyed as well. The whole unit usually is replaced in such cases. Is it possible to reseal the glass in the same frames? The answer is possibly "yes" from a technical standpoint, but 'no' from a practical one. The time and cost involved to retrofit such units would be much more expensive than buying new ones. I don't think any glass replacement companies would take the risk of trying to do this. No matter how you look at it your going to have a hefty price tag on replacing this glass. It's well worth the extra couple bucks to get a new IGU with LOE/Arg. The heat you see daily in Florida can be very extreme. By not having the protection of LOE film & some type of inert gas such as Argon or Krypton, you'll spend more money trying to cool the heat that will bypass clear glass. LOE or Low Emissivity coating blocks heat loss through normal clear window glass. It substantially increases thermal window performance while maintaining the appearance of uncoated glass. It reduces summer heat gain, and is also known to reduce the harmful ultraviolet rays, which cause fading of interior finishes. The coating reflects 40% to 70% of the heat that is normally transmitted through glass, while allowing light to pass through. To see if you have a LOE coating on your existing glass just wait until it's dark out and grab a lighter. Hold the lighter up to the glazing unit and observe the reflections of the flame. There will be one reflection for each surface in the glazing assembly. A single pane of glass will have two reflected flames and a simple two layer insulated glass will have four reflections etc... Any surface with a low-e coating should reflect back an image of greater intensity and a slightly different color than the rest. Noting which reflection has shifted in color will tell you which surface is coated. Try the same experiment from the opposite side of the glazing. This should confirm your identification of the low-e surface. These reflection effects are the result of the fact that low-e coatings are somewhat more reflective than glass alone across the spectrum and so will appear to reflect back an image brighter than the other surfaces, and because they selectively reflect greater amounts of longer wavelengths and so they reflect back more red. This second effect is more noticeable in some coatings than others. Hope you understand this and it helps you out in some way. Good Luck!!!...See MoreNew double pane - condensation!?
Comments (8)I will offer up our experience and a hypothesis that condensation on the outside surface of the outer glass pane, in this case, is most likely not a bad thing. Condensation forms when a surface is cooler than the warm humid air. Most normal solid surfaces respond to temperature changes much faster than air and it explains why we often feel a surface is colder or hotter than air. The single pane has no condensation most likely because its surface temperature is identical to, or higher (>=) than, the ambient temperature. Condensation cannot form on a warmer surface. The interior warmth of the house heats the single pane temperature to that higher than the ambiemt temperature outside so condensation cannot form. This is why single pane does not insulate well in winter. The glass is conducting heat right out of the house. The warmth of the house cannot leak into the tightly sealed double-pane airspace of the new window. The outer pane then is always cooler than the ambient air outside so condensation can form. This is good for keeping out winter chill and keeping in interior warmth. As for why one has condensation and one does not, it most likely has to do with overhang and airflow. We see this on our French doors as well. Two banks, each 10-ft long separated by a 2-ft center post, both facing the same direction with identical overhang and ground characteristics. One has condensation, one does not. Surprisingly, the side with condensation is the one that has a bit more breezes towards late evening. We believe it is cooler than the other bank. A little overhang also makes a difference and this often shows up on our cars. Park one car to within 24 inches of a tree's canopy and by morning, the side closest to the canopy is dry while the exposed side is dripping wet. The canopy and car manage to keep that area cool and still so there is no moisture laden air to cause condensation. The exposed side is of course open to condensation. This is also why NWS always forecast freezes for "wind shelter" area where it can remain still and cool. As long as there is no condensation in the airspace of the window, it is most likely not having a seal failure. Good luck with your analysis....See MoreWindows have fogging on outside after painters cleaned them
Comments (6)Xylene is a very harsh petroleum based solvent that will attack rubber and most plastics. low-e glass is made of 2 or 3 panes of glass with a gas, usually argon, in between them, joined together by a rubber gasket. If they used too much solvent, it's possible it got behind the glass and damaged the rubber gasket. Or, could the windows have an anti-fog coating from the factory and the xylene removed that? Is it doing it on all the windows, or just the windows they cleaned?...See Moredesertwest
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