Wood – Do solid hardwood floors have top laminate layers–or is this engineered

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I am looking to refinish or replace an existing wood floor. The previous owner says the floor is solid hardwood. A contractor came to look and said he thinks it is solid, too. However, we had a dishwasher leak, and where there was water, a "laminate" looking layer of the floor has curled up and away from the rest of one plank. I've checked the air registers and I can't see an edge of a plank anywhere on the floor. Is is possible for a solid wood floor to have a thin layer on top? Or is this engineered?

Curling up of top layer of floor plank

Best Answer

Looks like a composite or engineered floor to me. That top layer will be 3mm or so thick and can be sanded once or twice if you don't go crazy with the sander.

Unfortunately most of these engineered floors do not fare well with moisture. Leave an offcut outside for a day or two and you'll see what I mean.