Flat Weave Area Rugs Technique Size And Design? A flatweave area rug is handcrafted using a weaving method that contains weaving of wool or other rug material around the twisted thread pairs. Once the rug is completed, these fibers fabricate the total carpet’s surface. The backing of a flat weave rug is produced by weaving threads on a loom that means the pattern and design on the rug will be the same on both sides. So, a flatweave carpet is reversible on each side, use it as you want. A handwoven rug is handcrafted by skilled artisans without using a single knot throughout the process.