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I Am trying to redo my threshold due to the fact that my floor has been raised like 2". I cannot find any screws and I have been working on it with a crow bar. I have been looking on line and the consensus is that the threshold is typically screwed down. IS it being held in by the door casing. I am going to have to cut it anyway but I wasn't sure how this strip is being held down.

a mystically attached piece of aluminum

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That threshold is part of the entire door system. It wasn't added after the door was installed. It's screwed upward into the jamb sides and may have extrusion fins that engage slots in the jamb. Ordinarily a threshold doesn't wear out before the door system does, so it's rare that a person would try and remove it without replacing the door.

You'll need to figure out how to cut those screws so you don't tear out chunks of jamb. It's made from soft pine and would splinter fairly easily.

  • So I have to replace the entire door? Can I get rid of it? – TheCodeNovice Mar 8 '17 at 2:47
  • Whether you need to replace the entire door system depends on your level of skill. I personally could replace just the threshold, but I wouldn't enjoy it. Fitting a new one will be a bit of a challenge, too, as it all needs to work together to create a good seal. I don't understand your second question. – isherwood Mar 8 '17 at 2:48
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    You could drill a hole at each end of the threshold and use a reciprocating saw to cut the threshold (from outside to inside) near the uprights on both sides to free the main part of the threshold (Assuming it's not like brick or concrete under it) Then use a chisel to break apart the end pieces under the side jambs. – Trevor_G Mar 8 '17 at 18:44
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Riffing on Isherwood, I would take a hacksaw blade and wrap the end you'll hold in duct tape. If the floor is vinyl or wood, put tape down on floor as well. Slip the hacksaw blade under the threshold, moving it along until you hit a screw. Begin sawing until you've cut through. Repeat process for the other two screws. Once detached from screws, you should be able to wiggle it out using a flat blade screwdriver on the opposite edge.

Edit: It was pointed out to me this method won't work with this threshold, but as Trevor points out in his response, "...use reciprocating saw..." I think that might be it.

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    Note: You can get handles that attach to one end of a hacksaw blade. More comfortable than duct tape. This may also be a good use for an oscillating multi-tool. – RedGrittyBrick Mar 8 '17 at 9:23
  • @Isherwood My bad. I had luck with a threshold using this method. I will modify my answer. Thanks for the clarification. – M.Mat Mar 8 '17 at 19:39

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