Minimize Thermal Edge Losses with Stainless Steel Envelopes for Vacuum Insulation Panels (VIPs)

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Traditional Vacuum Insulation Panels (VIPs) have either a polymer/aluminum film or metallized polymer film exterior. In either case the VIPs are too fragile to be directly attached to a building’s envelope without a superstructure. The required superstructure reduces the R value gain from using a VIP. We have developed a VIP with a stainless steel foil exterior that can be attached directly to a building’s envelope without a superstructure. We have a thermal model that shows that by lengthening the VIPs edge by a factor of 4 the R value of the VIP can be maintained as long as it is larger than 1 foot square. The stainless steel foil has the additional advantage of having lower permeability to atmospheric gasses, as well as being able to withstand a 120 mph wind.

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Journal: TechConnect Briefs
Volume: Technical Proceedings of the 2013 Clean Technology Conference and Trade Show
Published: May 12, 2013
Pages: 220 - 223
Industry sectors: Advanced Materials & Manufacturing | Energy & Sustainability
Topics: Materials for Sustainable Building, Sustainable Materials
ISBN: 978-1-4822-0594-7