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Kerf Style Door Weather Strip


kerf door weatherstripMy favorite style of door weather strip is the push-in kerf style. It stays in place and you don’t have to worry about it coming off of the door or jamb when the adhesive wears out.

Not all doors can use the kerf-style weather-stripping though. A kerf must be present in order for this weather strip to work. A kerf is a small groove that sits around the perimeter of the door. Look at the stop (the piece of wood that the exterior side of the door rests against). If you see a groove about 1/8” wide, your door can use this type of weather strip. If your door does have a kerf, you probably already have this weather strip in though. I sure wouldn’t replace it with the peel-and-stick style.

To remove the old kerf-style weather strip, just pull it out of the groove. There is a small barb on it that pushes into the kerf and holds. Measure the distance for the new piece and cut it. Start at one end and push it all the way into the kerf. For the corners, you can either cut the strip straight across (you may have some overlap in the corners), or you can cut the strip at 45-degree angles to make a 90-degree corner (for example, like you would on window trim). You shouldn’t have any problems with it coming out of the groove.


I tried to replace the kerfed weather seal on my steel entry door. The kerf slot is too large for the barb on the new weather stripping, and it won't stay in place. I tried two types from Home Depot and Walmart, but both were too small to stay in the slot. Is there a manufacturer that makes stripping with "fatter" barbs on the kerfs?
Posted @ Saturday, January 07, 2012 9:40 AM by Don
I have the same problem, the original has a round foam cylinder instead of the barbs that pushes firmly into the kerf but have not been able to find a replacement.
Posted @ Tuesday, February 28, 2012 2:43 PM by Brian Ranney
I have the same problem. 1/4 wide kerf using the old weatherstrip with the wide cord enclosed to hold it in place. The door manufacturer was Peachtree. Anyone got a suggestion on how to replace?
Posted @ Monday, September 17, 2012 3:04 PM by Rick
My wife's ct tore the old stripping. Looked at this type 3 or 4 times, but could not figure how it installed. Started to go with the tape version, but none wide enough. Kept searching the web, saw your article. Went back to the store, purchaced it, and in less than 5 minutes, was finished and it looks GREAT. Thanks a million for your article and assistance.
Posted @ Wednesday, September 19, 2012 3:06 PM by George
you can add a piece of tape on the barb to make it thicker and install to see how it works, if you need more, add more tape.
Posted @ Saturday, May 11, 2013 12:21 PM by Gabo Sabo
I tried to remove an existing Kref weather strip but it is severly stuck. It won't slide or pop out. I think I'm going to try and "hack" it out with a combination of box cutters, pliers and a screw driver. At this point what other options do I have?
Posted @ Monday, February 17, 2014 10:09 AM by Richard
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