Table 4-1.-Weight and Maximum Sizes of Sheet Glass
Table 4-2.-Grades of Sheet Glass
All heat-absobing glass must be clean cut. Nibbling to
The maximum size glass that may be used in a
remove flares or to reduce oversized dimensions of
particular location is governed to a great extent by wind
heat-absorbing glass is not permitted.
load. Wind velocities, and consequently wind pressures,
increase with height above the ground. Various building
SHEET GLASS SIZES AND GRADES
codes or project specifications determine the maximum
allowable glass area for wind load.
Sheet glass is produced in a number of thicknesses,
but only 3/32- and 1/8-inch sheets are commonly used
SASH PREPARATION
as a window glass. These thicknesses are designated,
respectively, as single strength (SS) and double strength
Attach the sash so that it will withstand the design
(DS). Thick sheet glass, manufactured by the same
load and comply with the specifications. Adjust, plumb,
method as window glass, is used in openings that exceed
and square the sash to within 1/8 inch of nominal
window-glass-size recommendations. Table 4-1 lists
dimensions on shop drawings. Remove all rivets,
the thicknesses, weights, and recommended maximum
screws, bolts, nail heads, welding fillets, and other
sizes. Sheet glass comes in six grades (table 4-2).
projections from specified clearances. Seal all sash
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