Sistering Floor Joists to Level FloorUneven, sagging, or bouncy floors can be a sign of weakened floor joists. Sistering floor joists to level floor surfaces is a common structural repair method that reinforces existing joists with new lumber or engineered materials. When properly installed, sister joists can improve floor strength, reduce bounce, and help correct sagging.Want to understand how sistering works, when it is needed, and what signs indicate a joist problem? Read the full guide from Tri-State Waterproofing to learn more about sistering joists and floor reinforcement.Read the full article: https://tristatewaterproofing.net/foundation-repair/what-are-sistering-joists-uses-and-effect/