The scored line will stop the splintering.
Cutting bottom of door trim.
Mark the door for the cut.
Then remove the door and use a straight edge and painter s tape to set up a perfectly controlled cut with a circular saw.
To do this use a 1 4 1 2 in 0 64 1 27 cm wood shim to mark your cutting line at the bottom of the door.
Cut the bottom of the door using the circular saw equipped with a fine tooth blade.
Forcing the saw can cause the door to splinter.
They should be just outside of the scored cutting line.
Here s a step by step look at my process for trimming a door bottom.
Cut the 45 degree angle on both sides from the short to short direction.
Examine the bottom of.
At the bottom of the door i put a piece of tape on both the hinge side and the strike side the side with no hinges.
Http bit ly makitacircularsaw stanley tape measu.
Cut with the blade on the right 45 degree angle.
The bottom side of the door won t splinter because the saw teeth cut up into the wood.
Measure across top of door and on the inside and add 3 8 inch to the measurement.
Measure up the right side of the door to the bottom of the 45 degree angle cut on the top trim.
If your door is getting stuck or dragging against your flooring it s possible that your door is too big for your frame and needs to be trimmed down.
Finally i need a gauge block which i usually make from a piece of thin plywood.
Affiliate links for tools.
Make the cut slowly.