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Managing Director @ Skyline Windows + Schüco | All Things Facades Podcast

What is the u-value of your window? I have a different question - what if improving the thermal performance of the glazing assembly wasn’t necessarily the answer? The truth is, to improve overall wall assembly thermal performance it might be, but it also may not. There are so many other factors that come into play: ▪️Interface conditions ▪️Opaque wall assembly ▪️Mechanical loads ▪️Building controls ▪️Facade orientation Spencer Culhane shares his thoughts on the All Things Facades podcast. USGlass Magazine­­®

David Cooper

President/CTO at VacuumGlass LLC

1mo

Two thoughts: 1. low-e coatings are pretty much at the endpoint of performance. Adding another silver layer to a triple silver low-e, for instance, does little to improve the thermal performance - a case of diminishing returns. This was the path used by window manufacturers to improve performance without changing the frame or design for the prior 3 decades. 2. Width of the IG cavity has just one optimum based on the fill gas. Going wider does not help, in fact it hurts performance. The best way to go beyond codes and energy star performance requirements is VIG. Two decades have proven this product. #VIG

Michael Pipia

Owner at BMP Logistics Solutions LLC

1mo

I think you need to look into a new player in the field. LuxWall. Check them out.

Keith Wallace

“28+ years in commercial glazing & residential construction | Sustainable energy education | International purchasing expertise | Open to new opportunities—let’s connect and explore possibilities.”

1mo

But now we’re seeing U-value taking at edge of Glass versus centre of glass

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Russell H. Davies

Principal at AVRO Consult Engineering, P.C.

1mo

Well said, Spencer. Organizing glazing based on energy demand is a concept well understood by those interested in efficient architecture. The balance between materials, siting, and aesthetics. This goes all the way back to Vitruvius - "firmitas, utilitas, venustas."

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