I want to use a 4x4 8' with two floor jacks on each side holding it up against the floor joists in the middle of the lenght.The purpose is for support.We added a lot of heavy mud weight for tiles ...
I want to level my first floor dining room. The joists supporting the floor is 2x8", 13' long on that side of the main support beam. They are spaced between 16 to 19" apart, there was some moisture ...
I am building a tree house with a bridge from one tree to another. What is the maximum distance I could run a joist for the bridge without supporting it in the middle?