Add-on multiple glazing

Details Add-on multiple glazing Add-on multiple glazing

E - Fixed Constructions

06

B

108/32.7

E06B 7/12 (2006.01) E06B 3/28 (2006.01)

Patent

CA 1056217

ABSTRACT The invention relates to an architectural glazing unit for converting installed glazing to multiple glazing, comprising no more than one transparent pane, a spacer element adjoining marginal portions of a major surface of the pane around the perimeter of the pane and spaced from the peripheral edges of the pane and a body of at least partially uncured poly- meric sealant adhered to the major surface between the spacer element and the peripheral edges of the pane around the perimeter of the pane. The sealant has a dimension normal to the major surface greater than that of the spacer element, the sealant having a moisture vapor transmittance of less than about 15 grams of water per 24 hours per square meter for 1 mil thickness and, at room temperature, is coherent and tacky but flowable under pressure. The unit provides for easier installation and a more effective and longer lasting multiple glazed product.

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