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That part is called the tenon. Nails for installing hardwood floors are nailed to the male tenon. I hope my answer can help you.
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Mother trough so that it is not exposed.
Slotted and refilled, does not affect the laying of solid wood floors. Speak up about your concerns and talk about it.
Solid wood flooring does not need to be glued, and it is easy to deform after thermal expansion and contraction after gluing. >>>More
Nails are needed for the installation of solid wood floors, because the installation of solid wood floors requires keels, and keels need to be fixed with nails. >>>More
There are generally two ways to lay solid wood floors, with springs and nails, spring paving, in case of changing a certain piece in the future, it is more convenient to dismantle, and if you nail the floor, the floor is not easy to deform, that is, it is inconvenient to dismantle, and the price of using nails is more than spring paving.
The back groove of the solid wood floor is called the anti-deformation groove. >>>More