Door latch assembly for roll-up doors

The present invention relates to door latch assemblies for roll-up doors. A door latch generally comprising a latch cover and a latch slide. The latch cover comprises a upper angled section having a vertical portion and an angled portion extending therefrom, at least one first aperture defined in the vertical portion, at least one first slot defined in the angled portion, a horizontal portion having at least one second slot defined therein, and, at least one third slot defined therein substantially aligned with the first slot, a vertical middle section having a second aperture defined therein, and, a slide guide extending from one side, the slide guide having an upper spacer leg and, a lower spacer leg, an angled lower portion having a vertical edge, the vertical edge having at least one fourth aperture defined therein. The latch slide comprises a vertical section having a first end and a second end and an upper edge, a notch at the first end and, a tang extending from the second end, a horizontal section extending generally perpendicularly from at least a portion of the upper edge, the horizontal section having at least one fourth slot defined therein, an angled portion extending from one edge of the and, a pull tab extending from the extending angled portion such that the latch can slidingly engage the latch cover and reciprocatingly slide between a tang retracted position and a tang extended position.