Laserfiche WebLink
WINDOWS, GLAZING AND WINDOW ASSEMBLIES <br />It is important to note that measured STC values of glazing used in a <br />particular window will not necessarily be achieved by the window or window <br />assembly. <br />Double -Hung <br />(STC (STC <br />26 - 29) � 28 - 30) <br />Acoustical <br />(STC <br />37 - 56) <br />Estimated STC Ratings for Typical Windows STC <br />Picture window/double glazed <br />Picture window/1" insulating glass <br />29 <br />34 <br />Double -hung with insulating glass 27 <br />Double -hung with 3/4" insulating glass 29 <br />Double -hung with storm window 35 <br />Casement with insulating glass 28 <br />Casement with 1" insulating glass 29 <br />Casement with insulating high-performance glass 30 <br />Casement with 1" insulating high-performance glass 31 <br />Casement with insulating high-performance glass 32 <br />and removable glass panel <br />Casement with double -glazed laminated glass 37 <br />Selected STC Ratings for Acoustical Windows <br />Sliding metal, 1/4", 1/4" laminated, 3/4" airspace 38 <br />Sliding metal, 1/4", 1/4"/2-1/4" airspace 43 <br />Sliding metal, 3/8", 1/2", 2-1/2" airspace 46 <br />Sliding metal, 3/16", 1/4", 4-1/4" airspace 48 <br />Sliding metal, 1/4", 1/4" laminated, 4-1/4" airspace 48 <br />Sliding metal, 1/2", 3/8", 8-1/2" airspace 56 <br />11 <br />