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IGU with Laminated Glass1/29
Have any of you used IGU's with laminated glass instead of tempered.
I have been looking around for other glass suppliers and along the way was given this as a option.
Seems like a good option and was wondering if anyone has or does use it.
Our glass vendor - Green Mountain Glass in New Hampshire - often uses laminated glass in our units. Mark is the expert there, but I do know four things: The units are heavier than tempered, they block sound transmission better than tempered, they do not have the obnoxious logos as tempered can have, and they are thicker than tempered.
They can be made with 1/4" lami, or 1/8" lami. The second is more fragile and can be comparatively easy to break if you are used to working with tempered units.
Laminated glass is considerably more expensive than tempered, but typically has a much shorter leadtime and it can be cut to size at any time. Most glass companies stock laminated glass because of its versatility.
Tempered glass on the other hand has to be cut-to-size before the tempering process and can't be re-cut after the tempering is complete. So if you order a piece of glass one inch too big, you throw it away and start over.
So laminated glass is more expensive, but also more versatile. Depending on your needs (plus desire and ability to cut glass) you can stock 4' X 8' sheets of laminated glass and cut it to size in your own facility. You can't do that with tempered glass.
Just as a friendly reminder: be sure to get glazing caulk compatibility information from the company making the glass units.