Establishment of Passive Energy Conservation Measure and Economic Evaluation of Fenestration System in Nonresidential Building of Korea

Table 4

Repair and replacement cost of windows.

Construction; type	Method of repair	Maintenance cycle	Maintenance rate	Note
Steel windows and doors	Window and door frame repairs	10	20	Except windows hardware
	Window and door repair	10	20
	Full replacement	30	100
Aluminum windows and doors	Window and door frame repairs	10	10	Except windows hardware
	Window and door repair	10	20
	Full replacement	25	100
Painting oil paint	Full coat	5	100	Steel parts
	Full rust preventive	5	100
Painting synthetic resin paint	Full coat	6	100	Steel parts
	Full rust preventive	12	100