How does one cut inside corners quarter round molding?

Question

this being used on a cieling

Answer 1

The *correct* way to do this is to run one piece of the moulding, square-cut, all the way to the wall and then cut out the profile, or "cope", from the mating piece, with a coping saw. The way to quickly cut the cope is to start by cutting the piece with a 45 degree cut (assuming this is for a 90 degree corner) and then cutting away the wood to make a perfect mating piece.

However, most people are ignorant of this practice and just cut mitres with a chop saw or similar.

Supposedly the coped joint will look better when the joint moves with seasonal expansion and contraction of the wood. If nothing else, you can point out to your other DIY friends what ignorant philistines they really are for just cutting mitres on inside corners!

Answer 2

you never mitre internal corners. They are always scibe cut as descibed earlier with a coping saw

Answer 3

you need a miter saw or miter box

Answer 4

Sounds like John W. knows his stuff. So to do it right, follow his instructions. BUTT a trick I found when making simple miter cuts is that you cut both pieces at the same time and they'll match up perfectly.

Answer 5

Same as you would for a floor. They are basically the same except overhead , so a 45 degree cut is still the same. Crown moulding on the other hand is wayyyy different

Answer 6

Use a miter saw or miter box. First try the angles on a scrap piece first and trial fit it to the wall, because not all corners are exactly 45 deg, so you may have to make them more or less. One word of caution is start out long and keep trimming till it is perfect.