Brick Stitches can be worked in so many different combinations. They are by far some of the most versatile stitches in needlepoint.
In this variation, Brick Stitches are worked in groups of three. Each stitch will span over two canvas threads. Stagger groups up and down by one canvas thread. 
Try this stitch for a roof using a strandable silk like Splendor. Shop Splendor by clicking here.