Cost of Replacing Underlayment on Tile Roof: Fast-Track Guide to Understanding Replacement CostsSarah ThompsonJun 09, 2025Table of ContentsFactors Affecting Cost:Projected Costs:FAQ:Table of ContentsFactors Affecting CostProjected CostsFAQFree Smart Home PlannerAI-Powered smart home design software 2025Home Design for FreeReplacing the underlayment on a tile roof is a critical task that ensures your home remains protected from water and weather damage. The cost to replace underlayment can vary widely based on several factors.Factors Affecting Cost:1. Size of the Roof: The larger the roof, the more material and labor will be required, thus increasing costs. Typically, a tile roof measures between 1,000 to 2,500 square feet.2. Type of Underlayment: Different materials, such as synthetic, felt, or rubberized underlayment, have varying price points. Synthetic options are often more expensive but provide better durability and moisture resistance.3. Labor Costs: Depending on your location, labor costs can vary significantly. Hiring a licensed contractor may raise costs but ensures proper installation and compliance with local building codes.Projected Costs:The overall cost to replace tile roof underlayment generally ranges from $0.50 to $3.00 per square foot. To replace underlayment on an average-sized roof, homeowners can expect the total cost to be between $1,500 and $7,500.It’s advisable to receive multiple quotes and research contractors who specialize in roofing. This will help ensure you receive the best service and price for your project.FAQ:Q: How long does roof underlayment last? A: Most underlayment materials last between 10 to 30 years, depending on the type and environmental factors.Q: Can I replace underlayment myself? A: While DIY is possible, hiring a professional is recommended for safety and to ensure proper installation.Q: What signs indicate my underlayment needs replacement? A: Water stains, mold growth, and visible wear are indicators that replacement may be necessary.Home Design for FreePlease check with customer service before testing new feature.