Are My Hardwood Floors Thick Enough To Sand And Refinish?If your wood floors are too thin they will sand right though and break when refinishing. There are a few methods to check if the hardwood floor boards are too thin.
Before you start checking for the thickness, find the tongue and groove and understand what that is. The tongue and groove is how the boards connect. You will see a wood groove or indentation in the wood boards (on the side and in the front). This is the tongue and groove of the hardwood board. The thickness of the wood is measured from from the top of the wood to where the tongue and groove starts.
After understanding what the tongue and groove is, one way to check the thickness is to look at the end or front of the wood boards (use a flashlight). You can find the ends or fronts by where the wood meets kitchen tile, meets the closets, any other rooms start, or around any saddles. Shine a flash light down into the gap and see if you can see the tongue and groove. If the there is a good enough space from where the tongue and groove starts and the top of the wood boards, your hardwood floors are thick enough to sand. You can also use a paper card of some sort to slide between the spaces. When the card hits the tongue and groove, you can mark the paper card to measure the thickness.
Another method to use to find the thickness of your hardwood floors, is to check between the sides of the floor boards. If you have gaps between the wood boards, shine the light between the gaps to find the tongue and groove. You can use the same method with the paper card to measure the thickness.
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