Wall Construction

Windows

Windows shall be tested, labeled, and listed in accordance with AAMA/WDMA/CSA 101/I.S.2/A440. Windows in wind-borne debris regions require impact-resistant glazing or protection. Performance class shall be based on design wind speed and exposure category. Connecticut Long Island Sound coast may be classified as wind-borne debris region requiring enhanced glazing.

Exterior Door Installation

EXTERIOR DOOR INSTALLATION: Follow manufacturer instructions or AAMA/WDMA/CSA 101 standard. CRITICAL: Proper pan flashing at threshold, integration with WRB. Sill pan must slope to exterior. Weatherstripping must provide continuous seal. Verify door design pressure rating meets local wind requirements.

Exterior Door Installation - Maryland

Exterior doors must meet local wind load requirements. Coastal Maryland requires enhanced wind resistance. AAMA/WDMA/CSA 101 installation.

Windows

Parent section for window requirements including anchorage and installation.

Window Installation

WINDOW INSTALLATION: Must follow manufacturer written instructions. Proper flashing sequence is CRITICAL: sill pan → jamb flashing → head flashing. Use manufacturer-specified fasteners. Verify rough opening dimensions before ordering. Gap between frame and rough opening should be 1/4" to 1/2" per side.

Window Testing and Labeling

WINDOW LABELING - Must be tested and labeled with performance characteristics.

Window Design Pressure

WINDOW DESIGN PRESSURE - Must meet calculated wind load. Exceptions for small windows.

Anchorage Methods

WINDOW ANCHORAGE - Per manufacturer recommendations to achieve design pressure rating.

Window Installation

WINDOW INSTALLATION - Per manufacturer instructions. Sills must drain water to exterior.

General (Exterior Windows and Glass Doors)

Exterior windows and glass doors shall be designed, tested, and labeled in accordance with AAMA/WDMA/CSA 101/I.S.2/A440. Performance grade (PG) shall meet or exceed requirements per Table R301.2.1.2.