Observation: Windows are difficult to open or close.
Performance Standard: Windows shall operate with reasonable ease. Residential aluminum, double- and single-hung, vertical-sliding windows shall require a maximum operating force of 35 pounds. Aluminum, horizontal-sliding windows shall require a maximum operating force of 20 pounds. Wood-frame windows of all types shall require a maximum operating force of 25 pounds.
Corrective Measure: The remodeler will correct or repair as required to meet the performance standard.
