References:

ASTM E 283-91 (Reapproved 1999) "Determining Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors Under Specified Pressure Differences Across the Specimen"

Air Leakage Rate for a Sliding Door

Principle of Measurement

The test consists of sealing a test specimen into or against one face of an air chamber, supplying air to or exhasuting air from the chamber at the rate required to maintain the specified test pressure difference across the specimen, and measuring the resultant air flow through the specimen.