L-FRA100 STC Sound Rated Vision Lite Frame for 3/16", 1/4" or 5/16" Glass, 1-3/4" Thick Door Order Size:24" x 64" and wood doors typically used

and wood doors typically used in commercial construction

Trudoor TDC-300 Extra Long Door Closer Arm

which state that the force required to activate operable parts shall be 5 pounds maximum

Unit 10 21/32 " W

L-FRA100 STC Sound Rated Vision Lite Frame for 3/16", 1/4" or 5/16" Glass, 1-3/4" Thick Door Order Size:24" x 64" and wood doors typically usedNGP (National Guard Products) L FRA100 Low Profile STC Sound Rated Lite Kit for 1 3 4" Thick Doors and 3 16", 1 4" or 5 16" Glass ACOUSTICAL TESTED to ASTM E90 Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements, and ASTM E2235 Standard Test Method for Determination of Decay Rates for use in Sound Insulation Test Methods. Refer to information on pages G8 thru G10 of the NGP Gasketing