What Is Sistering Joists? Floor Joist Repair Explained

Sistering joists is a common floor repair method used to strengthen weak, sagging, or damaged floor joists. The process involves attaching a new joist alongside the existing one to improve support and restore structural stability.

Tri-State Waterproofing provides professional sister joist repair services for homes with uneven floors, crawl space damage, moisture issues, and weakened framing.

Common signs you may need sistering floor joists include:

• Sagging or bouncy floors
• Cracks in walls or ceilings
• Uneven flooring
• Crawl space moisture damage
• Rotting or weakened wood joists

Our team handles:

• Sistering floor joists crawl space repairs
• Floor joist repair sistering
• Moisture and structural damage repair
• Crawl space inspections
• Reinforcement for damaged framing

If your floors feel weak or uneven, Tri-State Waterproofing can inspect your crawl space and recommend the right sistering joists repair solution for your home.

Contact Tri-State Waterproofing today to schedule an inspection.