Installing Floor Trim Inside Corner

The angled cuts the slope of the floor and the irregularity of the walls all work against you as you try to get those tight even corner joints.

Installing floor trim inside corner. When it comes time to install trim around the corners of your room or walls longer than the typical run of trim use these three joints. Coped joints are ideal for inside corners. The technique described here modified for diyers will also work for other trim moldings such as door and window case moldings or chair rail moldings. Trim at inside corners often won t meet evenly despite a perfectly cut cope.

But room corners sometimes vary slightly from perfect 90 degree angles and professional trim carpenters have a number of tricks they use to ensure that baseboard moldings fit perfectly. Continue to cut and install trim until reaching the end of the wall. Cut the inside corner of the last piece at a 45 degree angle and continue around the room. One remedy for this problem is the use of corner blocks.

Installing baseboard trim is a challenging endeavor that takes years of practice to become proficient. I know a few drywall finishers who don t like to bend over. Cut the trim square if it butts into.