AAMA 502: Voluntary Specification for Field Testing of Newly Installed Fenestration Products

Cx Associates performs AAMA 502 field testing. We've performed building enclosure commissioning and AAMA 502 field testing on commercial, industrial, institutional, multifamily, and residential projects across Vermont and the Northeast. Our team includes experts with deep familiarity in building code and enclosure standards.

AAMA 502 At a Glance

What it tests

Air leakage and water penetration of newly installed windows, sliding doors, and swinging doors

Applicable to

Newly installed residential and commercial windows, sliding glass doors, swinging entrance doors

Referenced by

Project specifications, architectural standards of practice, owner quality assurance programs

New vs Existing

Both new construction and existing buildings

What is AAMA 502?

AAMA 502 is a voluntary specification published by the American Architectural Manufacturers Association that establishes minimum performance criteria and test procedures for newly installed windows, sliding glass doors, and swinging doors. It serves as the primary framework for acceptance testing of installed fenestration on construction projects — providing a single, coordinated document that references ASTM E783 for air leakage and ASTM E1105 for water penetration, and specifies the test pressures, acceptance criteria, and sampling requirements that apply to each.

The key distinction in AAMA 502 is that it is explicitly written for newly installed products. For water penetration, it establishes test pressures that reflect field installation realities rather than the more demanding conditions of laboratory certification testing — typically testing at a 1/3 pressure reduction. This acknowledges that field-installed products may not replicate the exact conditions of a factory-tested specimen, while still establishing a meaningful performance floor. Water penetration testing may receive cyclical or constant pressure application throughout testing, depending on the fenestration systems Performance Class (R, LC, CW, AW).

Scope and Application

Newly installed windows in commercial, institutional, and multifamily buildings

Newly installed sliding glass doors and patio doors

Newly installed swinging entrance doors and vestibule systems

Pre-occupancy acceptance testing performed before building turnover

Contractor quality assurance testing during construction

Note: AAMA 502 does not apply to storefronts, curtain walls, or sloped glazing. Those systems are covered by AAMA 503. It also does not apply to replacement window installations, for which AAMA has separate guidance.

Why should I consider this test?

Fenestration installation is one of the most variable and defect-prone aspects of building enclosure construction. Even a window product that achieved excellent performance in laboratory certification testing can fail in the field due to a missed sealant bead, an improperly set sill pan, a racked frame, or incomplete perimeter flashing. AAMA 502 testing provides a documented quality check that protects owners, supports contractor accountability, and identifies problems before they become concealed by finishes or occupied spaces.

For owners and developers, AAMA 502 test reports provide documentation of installed performance that can be valuable in warranty disputes, insurance claims, or future sale of the property. For design teams specifying building enclosure commissioning, AAMA 502 testing is a standard component of the fenestration testing scope.

Related Testing Standards

These standards are commonly specified alongside or in place of AAMA 502 depending on project scope. Cx Associates performs all of the following: