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Product detail:Double sponing jamb widely used as a solution to some design problems. With double sponing in your window jamb or door jamb, you may combine glass window leaf with louver window leaf or glass door leaf with louver door leaf. It is very practical in tropical country such as Indonesia. With this system, you may manage the light and air circulation inside the building.Some may also combine door leaf or window leaf with security steel and mosquito frame.
