This service provides field testing of installed exterior windows and doors to measure air leakage performance. It may be used for quality assurance, performance verification, warranty review, or deficiency investigations. How We Perform the Work: We attend site and test selected installed assemblies using the ASTM E783 field testing procedure. Calibrated equipment is used to apply specified pressure differentials and measure the amount of air leakage through the tested window or door assembly. Scope of Work Includes:
- Review of the windows or doors selected for testing.
- Confirmation of test objectives, pressure requirements, and site conditions.
- Setup of calibrated fan equipment, test chamber, and pressure measurement devices.
- ASTM E783 air leakage testing of selected installed exterior windows and doors.
- Measurement and documentation of air leakage performance.
- Identification of notable leakage concerns or installation deficiencies, where observed.
- Photo documentation of test setup, tested locations, and findings.
- Summary report outlining procedures, conditions, results, and recommendations.









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