To specify a procedure for determining fenestration product air leakage.

2. SCOPE

This procedure defines the criteria for testing fenestration air leakage rates to the requirements and guidelines as established by the NFRC. Many of the criteria are referenced from other ASTM standards and NFRC 100. Issues of test pressures, leakage mode, test size, and test temperatures are based on currently acceptable and recognized industry practices for air leakage testing of fenestration.

This procedure is applicable to fixed and operable fenestration products.

Air leakage rates for a given fenestration product may vary depending on quality control, environmental factors (temperature, barometric, pressure, humidity, etc.), user-stresses, operating style differences, long term durability, variable installation methods, and material/design selection. This procedure does not address any of these issues. The air leakage rates obtained from this procedure are intended primarily for product comparison purposes.

• standards
• windows, doors, fenestration

1. NFRC 100: Procedure for Determining Fenestration Product U-factors
2. NFRC 200-2010[E0A0] Procedure for Determining Fenestration Product Solar Heat Gain Coefficient and Visible Transmittance at Normal Incidence
3. NFRC 300-2010 Test Method for Determining the Solar Optical Properties of Glazing Materials and Systems
4. NFRC 500-2010 Procedure for Determining Fenestration Product Condensation Resistance Values
5. NFRC Test procedure for measureing the steady-state thermal transmittance of fenestration system, revised 1997