Aug 31, 2023 · Adding a third sister joist to each joist is a much better option. But what size to use for a 15' span? Assuming your floor joists are 16" o.c.: 3-2x6 are inadequate by 71%. 3-2x8 …

Aug 18, 2024 · The main part of my house was built in the 1890's. Currently the floor joists span the entire width of the house (about 16 feet) and so I'd like to brace them in the center to …

Jan 25, 2025 · The floor joists are 2x6 and run parallel to the 29' side, and the beams run parallel to the 27' side. House Details: 1-story structure (built in 1956), no snow load. Roof supports …

Oct 16, 2023 · That section of the home included a garage and 3 small bedrooms above the garage. When looking at the second level from below the floor joist are made of 2x12s. One …

Oct 8, 2018 · I want to stiffen and strengthen the floor in my dining room/kitchen area. It’s a 2x8 floor 16” o.c. with the joists spanning approximately 13’7”. This area of the house steps down …

Jan 25, 2025 · I am looking into reinforcing the floor joists and overall structure of our 120 year old house. The most apparent issue is the “beam” that was installed when the house had a new …

Nov 11, 2008 · Hi! My kitchen/family room ~12.5 feet wide and 30 feet long, built over a dirt-floor crawlspace that's about 4 feet high. The 2x10 floor joists span the 12.5 foot dimension, spaced …

Sep 27, 2012 · As part of a kitchen remodel in our mid-50's rambler (2x8 floor joists), we're putting in an island that will be a primary work space and also an eating area. The total footprint of the …

Jun 24, 2011 · The method used to notch the joist appears to be far out of standard practice, and effectively useless. Since the notch appears to extend beyond the support point, as soon as …

Feb 13, 2011 · What you have is acceptable, per code and probably passed a building inspection; R502.6 Bearing. The ends of each joist, beam or girder shall have not less than 1.5 inches (38 …