How to Finish Drywall Butt Joints
Our three-coat system guarantees a smooth, even finish for butt joints.
Before you learn how to finish them, it's important to understand what a butt joint is. In short, the long edges of drywall sheets are tapered while the short edges are not. Where two short, non-tapered edges meet is called a butt joint.
Butt joints are challenging to finish because they require that you build a slight, gradual mound to hide the joint. To make the mound subtle enough to go unnoticed, you must feather the joint compound over a wide area. You can also minimize the difficulties of concealing butt joints by using a back blocking technique when hanging the drywall. We'll show you the best way to finish drywall butt joints, plus provide a few helpful pointers.