How to Use a Flooring Z Bar

Written by renee miller Google
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How to Use a Flooring Z Bar
A Z bar is used to transition from carpeting to a hard floor. (Living Room image by Dawn from

A Z bar is used when transitioning from carpet to a hard flooring surface such as laminate or hardwood. It is called a Z bar because of its shape, which resembles the letter "Z" and has one smooth side and one side that has tiny metal teeth to grip the carpet. The Z bar creates a smooth transition between carpet and other flooring, leaving a flat surface while covering the ends of the carpet and hard floor where they meet.

Skill level:
Moderately Easy

Things you need

  • Screwdriver
  • Mason's chisel
  • Hammer
  • Beating block
  • Mallet

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  1. 1

    Lay the Z bar on the floor where the carpet meets the hard flooring. The flat side of the bar goes on top of the hard flooring and should be at least 3/8 inches from the tile edge to allow the carpet to be folded under the bar later. The side of the Z bar with the teeth goes toward the carpet.

  2. 2

    Secure the Z bar to the floor, using a screwdriver and the screws provided. The Z bar has screw holes on the toothed side of the bar.

  3. 3

    Cut the carpet underlay to the edge of the Z bar, using a utility knife.

  4. 4

    Trim the carpet so that it is a half-inch longer than where it meets the tile. This will enable you to tuck the carpet into the Z bar later.

  5. 5

    Pull the carpet toward you -- into the carpeted room -- so that the edge of the fold is just past the edge of the carpet side of the Z bar.

  6. 6

    Lay the end of a mason's chisel on the centre of the carpet fold and hit the other end of the chisel with a hammer to push the folded carpet into the Z bar and under the edge.

  7. 7

    Continue striking the chisel while moving to the left and then to the right of the centre until all of the folded carpet is under the Z bar.

  8. 8

    Cut along the folded edge of the carpet that sticks out from under the Z bar to remove the excess not pushed under the bar. Don't cut the carpet beneath.

  9. 9

    Hit the Z bar on the carpeted side using a beating block and a mallet to bend it toward the carpet. Don't strike with a lot of force. You only want to bend it slightly to secure the carpet to the strip of Z bar.

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