Cost Of Tile Roof Underlayment

Tile roof underlayment is a waterproof membrane layer installed under tile roofing to prevent moisture getting into the roof deck. It protects the roof deck from rain and snow, providing an extra barrier against leaks, and allows ventilation to prevent condensation under the tiles.

Installing tile roofing? Don’t overlook the underlayment cost. This critical water barrier under expensive tile prevents leaks, ventilation issues. Properly installing quality underlayment under tiles costs $150-500 for materials plus $3-5 per sq ft for professional installation. Protect that tile roof investment.

Tile underlayment is a key component when installing tile roofs. It creates a water barrier and allows ventilation. Quality underlayment prevents leaks, moisture damage, condensation issues under costly tiles. Proper underlayment installation is critical prior to tiling for optimal roof performance.

Key Takeaways

  • Underlayment costs depend on factors like material and quality.
  • Online calculators offer accurate estimates for project planning.
  • Comparing prices helps in finding suitable underlayment options.
  • Labor costs should be factored in for total project expenses.
  • Proper underlayment selection ensures durability and protection for your tile roof.

Cost To Install Roofing Underlayment

Cost FactorsCost Range
Starting Cost$0.50 to $0.62 per square foot
Project SizeDetermined by the size of the project
CircumstancesVarious factors such as roof complexity and finish options
Finish OptionsInfluence the final cost
Total Project CostDepends on the above factors

Installing roofing underlayment for your project in zip code 54000 with these alternatives will start at $0.50 to $0.62 per square foot. The size of the project, the circumstances, and the finish options you select will determine the final cost.

Underlayment Is Key to a Healthy Tile Roof

Underlayment Is Key to a Healthy Tile Roof

Underlayment plays a vital role in maintaining a durable tile roof. It serves as a protective barrier between the roofing material and the underlying structure. Without proper underlayment, your roof is susceptible to leaks, water damage, and premature deterioration.

Quality underlayment acts as a shield, preventing water infiltration and enhancing the overall lifespan of your roof. It also provides an additional layer of insulation, improving energy efficiency. Investing in high-quality underlayment, such as a moisture barrier under metal roof, is essential for ensuring the long-term health and durability of your tile roof.

What Is the Average Cost to Replace Tile Roof Underlayment?

Replacing tile roof underlayment costs vary based on factors like material quality and roof size. 

For a 1,500 square foot roof, you might need 4-5 rolls. Prices range from $30 to $70 per roll, totaling $120 to $350 for the underlayment. Labor costs for professional installation are additional. Always get quotes for accurate pricing.

What Factors Affect the Final Cost?

Size of Roof: The larger the roof, the more materials and labor required, leading to higher costs.

Complexity of Roof Design: Roofs with multiple angles, valleys, or dormers increase the difficulty of installation and labor costs.

Local Labor and Material Costs: Regional differences in labor and material prices can influence the overall expense.

Weight of Felt: The weight of the felt used for underlayment can affect its durability, performance, and price.

Underlayment Material: Different underlayment materials have varying costs, such as felt, synthetic, rubberized, and others.

Climate: If you live in an area with heavy rainfall, snow, or ice, investing in a high-quality, waterproof underlayment is essential.

Building Codes: Some regions have specific requirements for underlayment materials and installation methods.

Professional Consultation: Consulting with a professional roofing contractor can help you choose the right underlayment for your tile roof and provide valuable insights into the best materials and installation methods.

Underlayment Material Costs

  • Felt Underlayment: $0.15 to $0.55 per square foot
  • Synthetic Underlayment: $0.25 to $0.65 per square foot
  • Rubberized Underlayment: $0.25 to $0.75 per square foot

Roof Underlayment Cost Per Square Foot

The cost of roof underlayment per square foot varies. It depends on factors like material and quality. Typically, prices range from $0.15 to $0.50 per square foot. For a 1,500 square foot roof, expect to spend $225 to $750 on underlayment alone. 

Costs may differ based on location and supplier. It’s wise to get multiple quotes for accurate pricing. If hiring a professional, labor expenses will add to the total cost.

Cost Of Tile Roof Underlayment Calculator

Cost Of Tile Roof Underlayment Calculator

Calculating the cost of tile roof underlayment is simple with online calculators. These tools help estimate the amount needed for your project. Enter your roof’s dimensions and select the type of underlayment to get an accurate cost estimate. 

Prices can vary based on quality and material, so compare options to find the best fit for your budget. Once you have the estimate, you can plan your roofing project more effectively and budget accordingly.

Frequently Asked Questions

What is the average cost to replace the underlayment on a tile roof?

The average cost to replace underlayment on a tile roof can range from $1,000 to $3,000, depending on factors such as roof size and material quality.

How much does it cost to underlay a roof?

The cost of underlying a roof varies depending on factors like the size of the roof and the type of underlayment chosen. It’s best to get a quote from a supplier or contractor for an accurate estimate.

How much is underlayment for a roof?

Underlayment for a roof typically costs between $30 to $70 per roll, depending on the material and quality.


Underlayment is vital under tile roofing. It protects against leaks, ventilation issues. Don’t overlook this critical barrier. Choose quality underlayment that meets building code standards. Properly install per manufacturer instructions before tiling.

Inspect underlayment thoroughly before installing tiles. Ensure complete, sealed coverage across the roof deck. Take time to properly flash details and valleys. Correct any gaps, tears immediately. Quality underlayment ensures tiles perform optimally, lasting decades without leaks or problems.

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