AAMA 503: Voluntary Specification for Field Testing of Newly Installed Storefronts, Curtain Walls, and Sloped Glazing Systems

Cx Associates performs AAMA 503 field testing. We've performed building enclosure commissioning and AAMA 503 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 503 At a Glance

What it tests

Air leakage and water penetration of newly installed storefronts, curtain walls, and sloped glazing systems

Applicable to

Commercial storefront systems, unitized and stick-built curtain walls, sloped glazing, skylights

Referenced by

Project specifications, curtain wall commissioning plans, architect quality assurance requirements

New vs Existing

New construction acceptance testing on commercial and institutional buildings and existing construction

What is AAMA 503?

AAMA 503 is a voluntary specification published by the American Architectural Manufacturers Association for field acceptance testing of newly installed storefronts, curtain walls, and sloped glazing systems. It is the commercial-scale counterpart to AAMA 502, which covers windows and doors, and addresses the significantly larger and more complex fenestration assemblies found on commercial and institutional buildings.

Like AAMA 502, AAMA 503 references ASTM E783 for air leakage testing and ASTM E1105 for water penetration testing but specifies test pressures and acceptance criteria appropriate to the higher design loads and more demanding performance requirements of storefront and curtain wall systems. Test pressures under AAMA 503 are typically higher than under AAMA 502, reflecting the greater exposure of tall commercial buildings to wind loads and these fenestration systems’ ability to perform at a higher level.

AAMA 503 testing is particularly valuable on large commercial projects because storefront and curtain wall systems involve complex interactions between multiple trades — glaziers, sealant applicators, waterproofing contractors — and the consequences of a leaking curtain wall on an occupied building are severe and costly to remediate.

Scope and Application

Stick-built and unitized curtain wall systems on commercial and institutional buildings

Storefront and curtain wall systems at grade level and above

Sloped glazing systems and skylights integrated into commercial assemblies

Pre-occupancy acceptance testing before building turnover

Mid-construction quality verification during the glazing installation sequence

Note: AAMA 503 is specifically for newly installed systems. For diagnostic testing on existing storefronts or curtain walls, see AAMA 501.2, which is designed for qualitative investigation of suspected leakage rather than formal acceptance testing.

Why should I consider this test?

Fenestration water infiltration is among the most expensive building envelope failures to remediate after occupancy. Acceptance testing per AAMA 503 before turnover provides the owner with documented performance evidence and gives the contractor the opportunity to identify and correct deficiencies while access is still straightforward.

On projects pursuing LEED certification, Passive House, or other high-performance building standards, AAMA 503 testing is often included in the building enclosure commissioning plan as a required acceptance activity.

Related Testing Standards

These standards are commonly specified alongside or in place of AAMA 503 depending on project scope. Cx Associates performs all of the following: