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Specifying Windows and Doors Using Performance Standards

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42<br />

Air Infiltration Test Pressure<br />

FOR VARIOUS PERFORMANCE CLASSES<br />

7<br />

6<br />

6.2<br />

5<br />

4<br />

3<br />

2<br />

1<br />

0<br />

1.6 1.6 1.6<br />

R LC CW AW<br />

psf<br />

Here we see how air infiltration test pressures are assigned. They are not keyed to<br />

the design pressure, but vary by performance class <strong>and</strong> operator type.

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