Water Infiltration Testing Calculator

Test procedure from wall type and ASTM standard.

Wall area per test (sq ft)

Number of test locations

Building height (ft)

Method (1=E1105, 2=501.2, 3=502)

Wind zone (1=low to 4=hurricane)

Test duration (minutes)

Tab to move between fields

Test pressure (PSF)

Test pressure (Pa)1,197

Water per test (gallons)50

Total water needed (gallons)250

Total test time (hours)4.6

Spray rack sections2

Estimated testing cost ($)$1,729

Test Pressures0, 12.5, 25

Spray DescriptionAAMA 501.2 spray rack

Pump Required0

Nozzles Needed0

How to Use This Calculator

Enter Wall Area per Test (sq ft) — the area of each window, door, or curtain wall assembly being tested.
Set Number of Test Locations based on ASTM requirements: include representative and worst-case conditions.
Input Building Height (ft) — taller buildings experience higher wind-driven rain pressures on upper floors.
Select Test Method (1=ASTM E1105, 2=AAMA 501.2 spray rack, 3=AAMA 502 hose nozzle).
Choose Wind Zone (1=low to 4=hurricane) to set the design test pressure per local building code.
Review Test Pressure (PSF), Water per Test (gallons), Total Test Time (hrs), and Estimated Testing Cost for project planning.

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