How To Find A Floor Joist Under Carpet. In most cases, the $5 stud finders that you sometimes find at home improvement stores won't work to find studs under a carpeted floor. After all, joists are essentially just large studs in the floor. This is important if the ceiling below is covered.

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Squeaky wood floors under carpet is an annoying problem with an easy, diy solution. Look at the subfloor and find a row of nails, which are attached to a joist. Pull back the corner of the carpet padding with the pliers.

You can do it without a bunch of fancy tools.

You can do it without a bunch of fancy tools. Nailing the flooring into the floor joists will also help with stability. They also have a higher load carrying capacity than the only reason i like tji's more is that web trusses will flex more, and i've really come to value a floor with limited deflexion. This is important if the ceiling below is covered. Engineered lumber continues to become more and more popular in today's construction industry. And you can also try finding the joists in the ceiling below and measuring the distance from a common wall. These joist isolators are constructed with the strong rubber. This indicates that you have located a floor joist.