Here is an expired, but still relevant patent assigned to Hunter Douglas for an insulative building panel with a method for connecting them.
Average Rating: 4.9 out of 5 based on 213 user reviews.
December 10, 2009
May 12, 2008
A new study conducted by BASF demonstrates that by using structural insulated panels, 55% less time was needed during construction, when compared to traditional building methods. These presents an additional cost savings SIP sandwich panels can provide.
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