Patent ID: 7954283
Filing Date: 2011-06-07
Classification: E06B

Abstract:
1. Structure which comprises: at least two sheets of glass; a spacer positioned and bonded between said two glass sheets about the perimeter of said two glass sheets, said spacer including a first contact surface, a second contact surface and a front surface facing into the space between said at least two sheets of glass, said first contact surface, said second contact surface and said front surface each including a first cladding material and further wherein said spacer comprises: a fiber reinforced aerogel forming a cross section with at least four sides on an outer surface; a coating on said fiber reinforced aerogel suitable for allowing the spacer to be bonded to glass; said fiber reinforced aerogel having a coefficient of thermal expansion with a value about that of glass and at least one additional structural element to stiffen said aerogel; wherein at least one side of the aerogel is free of the structural element; wherein said first cladding material comprises a non-woven sheet; a first sealant comprising a vapor barrier on a surface of said spacer facing away from said front surface of said spacer; including a second sealant overlying said first sealant and of a different material than said first sealant.