Fracture of a PVC flashing detail at a parapet wal…….ppt

Common problems you will find in roofing systems Fracture of a PVC flashing detail at a parapet wall caused by tenting and careless window cleaning workers Spalling of concrete surface and purging on an apartment building balcony overhang. Blisters and ridges on conventional BUR Rusted and corroded metal flashing at a roof flashing detail Wind blow off modified BUR caused improper roofing applications and lack of asphalt between fireboard overlay and original roof. Wind blow off of modified BUR caused by improper roofing applications and lack of asphalt between fireboard overlay and original roof. Plant growth on roof and an unballasted PVC roof. View of a roof with excessive snow loading. Illustration of a poor wall flashing detail, note exposed cant. Buildings were built at separate times and were never properly tied together. Improperly flashed EPDM roof drain detail. Lack of horizontal support Opening in flashing detail at scupper. View of non-insulated pipe and condensation that has occurred. Substrate not properly prepared * * ?????????????????????????????????????????????????????????????????????????????????? Roof of an unheated building in winter. ?????????????? ?????????????????????????????????????????????????????????????????????????????????? Severe water ponding problem and blocked drain strainers. ?????????????? ?????????????????????????????????????????????????????????????????????????????????? Deterioration and failure of coping stones. ?????????????? ????????????????????????????????????????????????????????? Damaged control joint. ?????????????? ????????????????????????????????????????????????????????????????????????????????? Wet area detected by infrared camera outlined in yellow paint. ?????????????? ?????????????????????????????????????????????????????????????????????????????????? Improper flashing repair at mechanical unit. ?????????????? ?????????????????????????????????????????????????????????????????????