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A high-rise, EIFS-clad residential building in Georgia was experiencing water infiltration problems involving the EIFS, the aluminum windows, and the sliding glass and hinged balcony doors. The infiltration had been occurring since construction was completed in 1991. An investigation conducted in late 1992 discovered that the leakage was occurring through EIFS terminations, penetrations and joints, through cracks in the EIFS, through the non-weeped aluminum windows, and at the thresholds of the sliding glass and hinged balcony doors. Design, manufacture and construction issues all contributed to causing the water-infiltration problems. The investigation techniques used included document review, a visual evaluation of the entire facade from swing stages, test cuts, borescope evaluations and leak testing. The repairs involved rebuilding and resealing the EIFS at all terminations and expansion joints, surface sealing and overcoating other problem areas in the EIFS, wet sealing the windows, and sealing and modifying the hinged and sliding glass door thresholds.
water infiltration, EIFS, tolerance conflicts, aluminum windows, sliding glass doors, investigation, repairs
Senior Engineer, Wiss, Janney, Elstner Associates, Inc., Atlanta, GA