Marble Thresholds

Old 10-23-23, 12:35 PM
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Marble Thresholds


I am replacing the marble thresholds between the ceramic tile of my kitchen and the hardwood floors in my living room. I have two questions:

1) My thought is to adhere the marble to the hardwood using a product called Loctite PL 530, which is made for mirror, marble, and granite. Does this sound like a reasonable choice? My research indicates the floor material is equally as important as the adhesive, so I want to seek opinions on here.

2) The hardwood floor is not level. When I put the marble on the floor, there are gaps on both sides and it rocks. Is it appropriate to put down shims on both sides and caulk the edge of the threshold where it meets the hardwood?

thank you in advance
Old 10-23-23, 12:44 PM
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Old 10-23-23, 01:50 PM
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PL530 will work well.

You "can" shim it but a better solution would be to make the wood floor flat. Scribe a line in front of the threshold with a pencil, and then make a vertical cut on that line with a multitool. Then chisel and/or belt sand up to that cut line, and flatten the wood floor as needed. A grinder and a flap sanding disc would work too. But if you think that is more work than it's worth, that's up to you. The sealant will also help to support the marble where there are any voids. Marble likes to break if you have voids and weight is put on it.

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