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Context

I am presently considering how I can best complete a click-laminate installation that has all rooms complete except for the doorsills. Each room so far has been laminated separately. The doorsills separate each section. An example of such a doorsill is provided below:

enter image description here

Problem

Because of the dimensions of the doorsill, and the separate manner in which the laminate was laid, there are no connecting joins on the laminate. Any piece I cut would need to be cut to size, and simply "sit" in the gap. Therefore, I am wondering what options I have to bridge these sections together? Ideas pitched so far were:

  • A concave bridging piece meant for laminate (see example): This does not work very well because I cannot drill into the floor easily and the laminate sits rather close to the ground.
  • Cutting a piece to size and securing it with some kind of filler or glue. This is something that does sound okay - but I want to ensure I don't have too many expansion problems. Therefore I am way of using any material that cannot stretch or expand as filler.

What would be the best way to bridge this? I have about 3-4 doorsills that I need to complete. That includes two that should bridge to an existing tile surface :) I should finally mention that the environment is within an apartment building - so the floor temperature tends to be generally stable.

Micrified
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Shame it was done that way. I love a continuous floor, which really showcases good craftspersonship.

What I'd probably do at this point is install a common T-molding, but by gluing it to one floor and floating it over the other. This leaves you with the movement needed between rooms.

Continue the flooring to create a channel just large enough for the T-molding and required margins. Typically this would be centered under the door slab. Then, using adhesive intended for your flooring, bond one side of the molding to the floor. (The sorry excuse for stair nosings they sell these days are glued down, so I know such adhesives exist.) Weigh it down with something flat overnight.

isherwood
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Get some "T" molding similar to the one shown below from Home Depot. Cut away the foil on the underlayment and cement the molding to the concrete floor with construction adhesive. Don't cement the molding to the wood flooring.

enter image description here

JACK
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They make transitions for these

Tiger Guy
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you can go a different route and highlight the transition by using some tile or stone or slate to or even some thick hardwood and fill in the threshold gap rather than trying to bridge it. Just glue it to the subfloor and it's usually raised above the finished floor level by about 4-5 mm or to the underside of the door itself. typically 4-5 inch wide but you can just size it to fit your gap. You might even want to trim the in your picture the top piece so it's flush with the door frame rather than sitting under the door when closed.

ecc
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