While it is possible to cut the carpet from the top side, you can achieve a cleaner cut by flipping the carpet over and cutting it from the back side of the material.

Do you cut carpet from the top or bottom. New carpets have been fitted, so 2 doors don’t close properly. The easiest way to find one is to bend the carpet. A shape to cut around, to ensure it is the correct size.

A minimum of 3/8 between the floor and the bottom of the trim is typically necessary. Roll back the top piece of carpet. From people who have actually done this, can you tell me the best way to trim 5mm or less off the bottom of wooden doors?

Whatever method of cutting you use, you need to make sure that the cutting teeth cut into the top finished face as opposed to breaking through. Make sure lines are straight and visible. While it is possible to cut the carpet from the top side, you can achieve a cleaner cut by.

Do not assume what you’ve received is square across the top or bottom. Place the carpet near the walls to help you progress in a straight line (while cutting). Mark and cut the first edge.

Whenever possible, work on the back side of the carpet. By cutting on the backside, you can get the knife in the backing first and can bypass the fibers. Pull up on the loose carpet with your free hand.

Outline your cuts with a marker before making them with the knife. Unless you do this, the carpet will stretch over the nose, leaving a gap from the bottom of the riser to the top. The backing is flat, with no thick pile to get in your way.