Chapter 1
Rainwater gutter repair and replacement
KakaoTalk_20250314_094700856_08.jpg
Chapter 2
Skylight replacement
KakaoTalk_20241028_090707144_14.jpg
Chapter 3
Ventilation fan maintenance and replacement
KakaoTalk_20240125_115857538.jpg
Chapter 4
Roof waterproofing repair
KakaoTalk_20231114_083517105_06.jpg
Chapter 5
Concrete 
(Epoxy ,  Urethane)
KakaoTalk_20231119_090235095_02.jpg
Chapter 6
Steel roof repair

KakaoTalk_20250507_155836970_03.jpg
Chapter 7
Composite panel wall
KakaoTalk_20250507_141320908_03.jpg
Chapter 8
Various maintenance
KakaoTalk_20250619_172911221.jpg