u/Junior-Carpenter-142

I am trying to add a loop cut on this area of the pole, then it is leaving some faces that I used for union Boolean. The object I used for the union is the one on the middle, and it seems that every faces that it touches, can't be loop cut anymore

The larger object is the one I placed the modifier in, then selected the smaller object and it is always showing this glitched texture as if there is a duplicate object on it. I can't seem to get rid of it even if I apply the modifier