1.1 This specification describes installation procedures for lock-strip gaskets that comply with Specification C542 and for infill glazing materials in lockstrip gasket glazing applications used in building walls which are not more than 15° from a vertical plane. The prime performance considerations are weather tightness against air and water infiltration, and structural integrity under wind loads.

1.2 The values stated in inch-pound units are to be regarded as the standard. The SI units in parentheses are provided for information only.