Removed 3" and installing 4" baseboard. The inner corners meet at the top but gap at the bottom ( sheet rock taper is at the bottom and wondering if that's the problem) (have checked the saw and can't think of anything else). Any help would be greatly appreciated!
Thanks!
Debbie
Best Answer
Baseboard should be installed using cope joints, not miters, for this exact reason. Some builders request that the drywall taping crew fill the edge channel on the drywall sheets along the floor to keep things more square, but this still doesn't resolve the issue of boards tightening outward when fastened, which very often results in open miters.
Coping, along with a slightly tensioned installation (cut 1/16" to 1/8" long, nail the ends first), almost always results in tight inside corners. This is crucial when working with natural wood, where fillers don't result in a quality appearance.