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Air Leakage Testing of
Exterior Windows & Doors
(ASTM E783)

Air Leakage Testing of Exterior Windows & Doors

Often paired with ASTM E1105, and one of the required tests in both AAMA 502 and AAMA 503, ASTM E783, titled "Standard Test Method for Field Measurement of Air Leakage Through Installed Exterior Windows and Doors," is a critical standard for evaluating the air infiltration performance of fenestration systems in real-world conditions. This test method, developed by the American Society for Testing and Materials (ASTM), measures the rate of air leakage through installed windows, doors, and other fenestration products under controlled pressure differences. By simulating environmental conditions such as wind pressure, ASTM E783 ensures that these building components meet specified performance criteria, preventing energy loss, drafts, and discomfort for occupants. Pacific SBS, as a specialized testing firm, conducts ASTM E783 field tests with precision, providing architects, contractors, and building owners with reliable data to confirm the integrity of their fenestration systems.

ASTM E783, titled "Standard Test Method for Field Measurement of Air Leakage Through Installed Exterior Windows and Doors," is a critical standard for evaluating the air infiltration performance of fenestration systems in real-world conditions. This test method, developed by the American Society for Testing and Materials (ASTM), measures the rate of air leakage through installed windows, doors, and other fenestration products under controlled pressure differences. By simulating environmental conditions such

as wind pressure, ASTM E783 ensures that these building components meet specified performance criteria, preventing energy loss, drafts, and discomfort for occupants. Pacific SBS, as a specialized testing firm, conducts ASTM E783 field tests with precision, providing architects, contractors, and building owners with reliable data to confirm the integrity of their fenestration systems.

By adhering to ASTM E783, building professionals can address potential performance issues early, ensuring long-term durability and occupant comfort. This standard is particularly valuable for verifying that fenestration systems perform as intended after installation, accounting for factors like construction tolerances or material defects that may not be evident in laboratory tests. Pacific SBS’s field testing services under ASTM E783 provide a trusted, third-party validation of air leakage performance, giving stakeholders confidence in the quality and efficiency of their building envelope. Whether for new construction or retrofitting projects, our ASTM E783 testing supports sustainable building practices and compliance with stringent industry requirements.

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