5.9.3.4. Air Leakage

(1)

Other fenestration assemblies and their components shall be designed and constructed in accordance with Section 5.4.

(2)

Except as provided in Sentence (3), other fenestration assemblies and their components shall have an air leakage characteristic, measured at an air pressure difference of 75 Pa, when tested in accordance with ASTM E283, “Standard Test Method for Determining Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors Under Specified Pressure Differences Across the Specimen,” that is not greater than

(a)

0.2 L/(s×m2) for fixed portions, including any opaque portions, and

(b)

1.5 L/(s×m2) for operable portions. (See Note A-5.9.3.4.(2))

(3)

The following systems need not comply with Sentence (2):

(a)

interior windows and interior doors that do not serve as environmental separators,

(b)

vehicular access doors (garage doors),

(c)

storm windows and storm doors,

(d)

commercial entrance systems,

(e)

revolving doors,

(f)

smoke and relief air vents,

(g)

site-built door systems, and

(h)

commercial steel doors. (See Note A-5.9.3.4.(3))