Abstract: A screen door construction for selective attachment to a garage for placement in a garage door opening including an upper screen panel, a lower screen panel hingedly secured to said upper screen panel, a hinge pivotally mounting the upper edge of the upper screen panel to the upper edge of a garage door opening, first adjuster members for permitting the adjustment of the upper and lower panels within the garage door opening so as to fit them properly to occupy the entire height of the door opening and to extend horizontally therein, second adjuster members for adjusting the width of the panels to fit properly within the width of the garage door opening, and attachment structure for selectively attaching and detaching the upper screen panel relative to the garage door opening.