Should you seal prefinished hardwood floors?
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Although engineered hardwood often comes pre-finished, it is still a good idea to seal it. Sealing adds an extra layer of protection to your flooring, and can also help it last longer.
Similarly, it is asked, are prefinished hardwood floors sealed?
Cons of Prefinished Hardwood. Seams aren't sealed: Because the material is finished at the factory, a sealing agent is not applied to the lines between the planks when they are installed. Often, factory prefinished wood planks will have beveled, slightly rounded edges.
Herein, can you put polyurethane over prefinished hardwood flooring?
In general, you shouldn't apply polyurethane over a floor that has already been stained and sealed with other products. If the manufacturer indicates that the floor has been treated with polyurethane but you want to apply additional coats for added protection, you may do so after the floor has been installed.
3-5 years