Patent ID: 8671645
Filing Date: 2014-03-18
Classification: E04B

Abstract:
1. A method of replacing a portion of safing insulation used in an exterior wall system, the exterior wall system having a spandrel and spandrel insulation positioned adjacent the spandrel, the exterior wall system positioned a distance from a slab, wherein the distance between the spandrel insulation and the slab defines a gap therebetween, the method comprising the steps of: providing a safing insulation sheet comprising: sizing said safing insulation sheet, including both the sheet of safing insulation and the layer of pre-applied smoke sealant secured to the sheet of safing insulation, to fill at least a portion of the gap defined between the spandrel insulation and the slab to form a sized piece of safing insulation and pre-applied smoke sealant; and inserting the sized piece of safing insulation and pre-applied smoke sealant into the gap.