CAI-NJ Aug.2016

WINDOWS... from page 44.

frame and existing flashing in place and only remove the sashes and the side track, or in some cases the exist- ing window is cut out of the rough opening. As previously stated, the most import- ant difference between the window types is the nailing flange that is part of the new construction window. During original construction, windows are installed in existing framing before any exterior building underlayment and final exterior coverings are installed, i.e. stucco, siding, stone, etc. These new construction windows are installed with a nailing flange that encompasses the perimeter of the existing frame that eliminates any potential areas of water infiltration. New Tyvek house wrap is installed over the nailing flange creating a weather proof barrier and the final exterior building component is installed. In comparison, a replacement win- dow can be installed by cutting away the existing nailing flange from the orig- inal new construction window, installing the replacement windows into the exist- ing openings and leaving the existing perimeter flashing details. The new replacement window is installed, a new bead of caulk is installed at the perime- ter and everyone is satisfied. The home- owner is happy as they received a cost effective window replacement and the association is happy as a homeowner just improved the value of the property. Let’s now fast forward three years from when Mrs. Smith installed new replacement windows. After several days of wind driven rain, Mrs. Smith calls management to report a leak that she is experiencing beneath her win-

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