What is the most expensive part of a new roof?

New roofing system investments represent substantial financial expenses. When you decide to replace or build a new roof, your roofing expenses will surge. The most expensive element in new roof construction determines total costs. What is the most expensive part of a new roof? Let’s find out!

Roofing Materials: The Biggest Expense

Common Roofing Materials and Their Costs

• Cheap asphalt shingles have variable pricing that depends on their quality level.
• The longevity of metal roofs makes them more expensive than asphalt roof materials.
• Roof tiles represent an expensive roofing material that is heavy and highly durable.
• Slate roofing is among the most expensive and provides an extended lifespan.

Why Are Some Materials More Expensive?

• Durability: The initial cost of materials that survive longer increases due to their extended lifespan.
• Weight: Heavy materials require additional structural support, increasing the cost.
• Attractiveness: Premium materials appear more attractive but are priced at a higher cost.

Labor Costs: Skilled Work Comes at a Price

Installing a roof isn’t easy. It requires skill, knowledge, and a lot of time. Labor costs are often an important portion of the total roofing cost.

Factors Affecting Labor Costs

• Complexity of the roof: Higher or more complex roofs take longer to put in.
• Material choice: Some materials, like slate or tile, need special skills.
• Local pricing: Costs differ depending on the location and demand.

Roof Size and Design: Bigger Roof, Bigger Bill

A bigger roof requires more labor and materials and labor, which increases the overall cost. But it’s not the sole aspect to consider.

Complexity Matters

• Different slopes and angles: More details equal more work.
• Skylights and chimneys: These types of features require additional effort and sealing.
• System for ventilation: Proper airflow systems can add cost.

Roof Decking: The Hidden Cost

The roof decking, also called sheathing, forms the primary section of your roofing. If it’s damaged, it needs to be replaced.

Why Is Roof Decking Expensive?

• Wood prices: Wood costs Plywood and OSB prices change.
• Structural Repairs: Weak or damaged areas require repair before roofing can begin.

Underlayment: A Necessary Protection Layer

The underlayment is placed on top of the decking and shingles. It shields against the elements and also adds a layer of protection.

Types of Underlayment

• Felt paper: It is affordable but less durable.
• Synthetic underlayment: Costs more but provides better protection.

Flashing and Ventilation: Small Details, Big Impact

Ventilation and flashing stop leaks and help regulate the temperature of the attic. These are minor details, but they are vital to an enduring roof.

Why They Add to the Cost

• Flashing: Metal pieces that surround vents, chimneys, and valleys to prevent leaks.
• Ventilation: Proper airflow reduces water damage and increases energy efficiency.

Disposal and Cleanup: The Final Cost Factor

The removal of an old roof can increase the cost. Cleaning fees and dump charges are typically not considered expenses.

What Affects Disposal Costs?

• Size of the roof: A more significant amount of waste will result in greater disposal fees.
• Type of material: Certain materials are heavier and will cost more to take away.

Read more: Is a 2.3 m ceiling too low?

The Bottom Line

What is the most expensive part of a new roof? – It depends on the chosen materials, the difficulty level of the work, and the labor costs involved. Homeowners who understand these costs can select better roofing materials and avoid surprising financial expenses.

A2Z Roofing provides free consultation services for professional roofing guidance, and you can book a session today!