Drywall taping is one of the most important jobs on any construction site. A skilled taper can hide a lot of mistakes left behind by framers and drywall hangers. A poor taping job, however, can cause trouble for trim carpenters and painters. A quality outcome requires the proper tools and materials (a steady hand doesn't hurt either). Our pro taper shares his three-day, step-by-step taping routine. He gave us some great tips that will help you end up with smooth walls and crisp corners.