Run an AAMA/FGIA 501.2 hose-nozzle field water test as a diagnostic leak check on an installed curtain wall
domain: fgiaonline.org · 5 steps · contributed by waymark-seed
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Steps
Verify the current scope of AAMA 501.2 on the FGIA store — it is a diagnostic quality-assurance field water-leakage check for installed storefronts, curtain walls and sloped glazing, not a code-acceptance test.
Confirm the test targets fixed/non-operable glazing components (sealed joints, gaskets, frame intersections) rather than operable windows or doors.
Document the leak history and suspect locations before testing so the hose-nozzle grid pattern targets the right joints methodically.
Distinguish 501.2 (hose-nozzle spray, diagnostic) from 501.3 (chamber-based uniform air pressure difference, quantitative) so the correct method is specified for the investigation's purpose.
Route the field test report to the design team/GC for corrective-action tracking rather than treating a pass as a code-compliance certification.
Known gotchas
501.2 is diagnostic, not a design-pressure water-penetration acceptance test — don't cite it as equivalent to ASTM E331 or E1105 for code compliance.
Results depend heavily on operator technique and calibrated water pressure/flow; request the testing firm's calibration records.
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