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GCI uses a variety of ASTM and AAMA test methods that were developed to properly and fairly evaluate field performance of windows, doors and curtain walls. One method that is frequently used is ASTM E 1105 Standard Test Method for Field Determination of Water Penetration of Installed Exterior Windows, Skylights, Doors, and Curtain Walls, by Uniform or Cyclic Static Air Pressure Difference. The test involves constructing a chamber across the inside face of an assembly and vacuuming air from it while applying water across the outside face from a uniform spray grid. It simulates the effects of a wind driven rainstorm. It is a field version of the laboratory test used to certify products.
GCI has conducted thousands of field water infiltration tests to verify proper performance, identify the source of water leakage and confirm the success of attempts to repair and halt water infiltration.

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Main Office
2460 Metrocentre Boulevard
West Palm Beach, Florida 33407
561.689.0055
561.689.0052 (Fax)









