Understanding Asphalt Shingle Roof Costs
Asphalt shingle roofs remain a popular and cost-effective roofing option for many homeowners. However, the price of a new asphalt shingle roof can vary significantly depending on several factors. Understanding these factors will help you budget effectively and make informed decisions when choosing a roofing contractor.
Factors Influencing Asphalt Shingle Roof Costs
Several key elements contribute to the final cost of an asphalt shingle roof installation. These include the cost of materials, labor, the complexity of the roof, and the quality of the shingles themselves. The interplay of these factors creates a wide range of potential prices. For instance, a simple roof on a small ranch-style home will naturally cost less than a complex, multi-gabled roof on a large Victorian house. Similarly, high-end, long-lasting shingles will be more expensive than basic, economy-grade options.
Labor Costs Versus Material Costs
Typically, the cost of an asphalt shingle roof installation is split roughly between labor and materials. A general rule of thumb is that labor accounts for approximately 40-60% of the total cost, while materials make up the remaining 40-60%. However, this proportion can shift depending on the complexity of the roof and the prevailing labor rates in your region. A complex roof with many valleys, hips, and dormers will require more labor, thus increasing the labor cost percentage. Conversely, using premium shingles will increase the material cost percentage.
Price Variations Based on Shingle Quality
Asphalt shingles are available in a wide range of qualities and price points. Economy shingles offer the lowest initial cost but generally have shorter lifespans (15-20 years) and less resistance to weather damage. Mid-range shingles provide a balance of cost and durability, typically lasting 20-30 years. Premium shingles, on the other hand, boast superior durability, weather resistance, and warranties, often lasting 30 years or more. The price difference between these tiers can be substantial. For example, a basic 3-tab shingle might cost $0.30-$0.50 per square foot, while a premium architectural shingle could range from $1.00 to $2.00 or more per square foot.
Impact of Roof Size and Complexity on Overall Cost
The size and complexity of your roof significantly impact the overall cost. A larger roof will naturally require more materials and labor, leading to a higher price. Similarly, complex roof designs with multiple angles, valleys, dormers, or chimneys increase both labor time and material waste, driving up the cost. For example, a simple gable roof on a 1500 square foot house will cost less than a complex hip roof on a 3000 square foot house. The additional labor required to work around intricate features and the increased material needs for these complex designs directly translate to a higher final cost.
Types of Asphalt Shingles and Their Pricing: Asphalt Shingle Roof Cost – Find The Best Prices
Choosing the right asphalt shingles for your roof involves understanding the various types available and their associated costs. Several factors influence the final price, including shingle type, manufacturer, durability features, and warranty length. This section will break down these aspects to help you make an informed decision.
Asphalt shingles are broadly categorized into 3-tab and architectural shingles, each with its own characteristics and price point. 3-tab shingles, the more economical option, offer a simpler, flatter profile, while architectural shingles, also known as dimensional shingles, provide a more textured and visually appealing look, often mimicking the appearance of more expensive roofing materials. These differences directly impact the cost.
Asphalt Shingle Types and Their Cost Comparison
3-tab shingles are typically the least expensive option, due to their simpler manufacturing process and less material usage. They are often chosen for budget-conscious projects. Architectural shingles, conversely, incorporate more complex layering and texturing, resulting in a higher price per square (a roofing square is 100 square feet). The increased thickness and durability of architectural shingles contribute to their higher cost. Expect to pay a premium for the enhanced aesthetic appeal and longevity.
Manufacturer Price Variations
The cost of asphalt shingles also varies significantly depending on the manufacturer. Established brands with a strong reputation for quality and durability, such as CertainTeed, GAF, and Owens Corning, generally command higher prices than lesser-known brands. This price difference reflects the manufacturer’s investment in research and development, quality control, and warranty offerings. While less expensive options exist, it’s important to carefully consider the long-term value and potential savings from choosing a reputable brand. A longer-lasting roof, even with a higher initial investment, can save money in the long run by reducing the need for premature repairs or replacements.
Features Affecting Shingle Cost
Several shingle features influence the overall cost. Durability, measured by factors like wind resistance, impact resistance, and algae resistance, is a significant factor. Shingles with higher resistance ratings are typically more expensive due to the enhanced materials and manufacturing processes involved. The warranty offered by the manufacturer also impacts the price. Longer warranties, often associated with higher-quality shingles, reflect the manufacturer’s confidence in the product’s longevity. A longer warranty can provide peace of mind, though it often comes at a premium. Consider the total cost of ownership—including potential repair or replacement costs—when evaluating shingle pricing.
Asphalt Shingle Cost Comparison Table
Shingle Type | Features | Manufacturer Example | Price Range per Square ($) |
---|---|---|---|
3-Tab | Simple design, economical | Generic Brand | 50-100 |
Architectural (Dimensional) | Textured, thicker, more durable | CertainTeed Landmark | 100-200+ |
Architectural (High-End) | Enhanced durability, superior aesthetics, longer warranty | Owens Corning Duration | 150-300+ |
Labor Costs Associated with Roof Installation
Labor costs represent a significant portion of the overall asphalt shingle roof replacement expense. Understanding the factors influencing these costs is crucial for budgeting and selecting a contractor. Several variables contribute to the final labor price, making it essential to obtain multiple quotes before making a decision.
Asphalt Shingle Roof Cost – Find the Best Prices – Several factors significantly influence roofing labor costs. Geographic location plays a major role, with higher labor rates in areas with a high cost of living or a shortage of skilled labor. The complexity of the roofing project also impacts labor costs. Steeper slopes, intricate designs, or the need for specialized equipment will increase the time and effort required, leading to higher labor charges. The experience and reputation of the roofing contractor are also key considerations. More experienced contractors often charge higher rates due to their expertise and established track record, but their skill and knowledge can ultimately save money in the long run by minimizing mistakes and ensuring a longer-lasting roof. Finally, the time of year can influence labor costs; peak seasons often see higher demand and therefore higher prices.
Typical Labor Costs Per Square Foot
Labor costs for asphalt shingle roof installation typically range from $2 to $8 per square foot. This wide range reflects the variations in the factors discussed above. For example, a simple roof installation in a region with lower labor costs might fall closer to the lower end of this range, while a complex project in a high-cost area with a skilled contractor could reach the higher end. It’s important to remember that this is just an estimate, and obtaining multiple detailed quotes from reputable contractors is essential for accurate pricing. These quotes should clearly break down labor costs separately from material costs.
Finding Qualified and Reliable Roofing Contractors
Finding a qualified and reliable roofing contractor is critical for a successful project. Start by seeking recommendations from friends, family, or neighbors who have recently had their roofs replaced. Online reviews and ratings can also provide valuable insights into a contractor’s reputation and quality of work. Check for licensing and insurance; a reputable contractor will be fully licensed and insured, protecting you from potential liability issues. Request references and contact previous clients to inquire about their experiences. Finally, get everything in writing; a detailed contract outlining the scope of work, materials, payment schedule, and warranty is crucial for protecting your interests.
Checklist for Selecting a Roofing Contractor
Before committing to a roofing contractor, it’s essential to use a checklist to ensure a thorough evaluation.
A comprehensive checklist should include:
- Verify the contractor’s license and insurance.
- Obtain at least three detailed written estimates that clearly separate labor and material costs.
- Check online reviews and ratings from multiple sources.
- Request and verify references from previous clients.
- Review the contractor’s contract carefully, ensuring it covers all aspects of the project, including warranties and payment schedules.
- Ask about their experience with different types of asphalt shingles and their familiarity with your roof’s specific features.
- Confirm their understanding of local building codes and regulations.
- Inquire about their cleanup procedures and waste disposal methods.
Additional Costs to Consider
Replacing a roof involves more than just the cost of shingles and labor. Several additional expenses can significantly impact the overall project budget. Understanding these hidden costs upfront will prevent unexpected financial burdens and ensure a smoother renovation process. Careful planning and budgeting are crucial to avoid unpleasant surprises.
Roof Tear-Off and Disposal Costs
The existing roof must be removed before a new one can be installed. This process, known as a tear-off, involves labor costs for removing the old shingles, underlayment, and potentially other layers like felt paper or existing insulation. Disposal fees for the removed materials also add to the expense. The cost of tear-off and disposal varies based on factors such as roof size, the number of layers to be removed (multiple layers increase labor time and disposal volume), and local landfill regulations. For example, a tear-off for a 2000 square foot roof might cost between $1,500 and $4,000, depending on these factors and regional pricing. Disposal fees are often charged per cubic yard of waste.
Permit Fees and Other Governmental Costs
Most localities require building permits for roof replacements. Permit fees vary widely depending on location, roof size, and the complexity of the project. In addition to permit fees, there may be inspections required throughout the process, each with its own associated cost. Some areas also levy impact fees or other charges related to construction projects. It’s essential to check with your local building department early in the planning stages to determine the exact permit and inspection fees for your project. For instance, permit fees could range from $200 to $1000 or more, depending on the location and the size of the roof.
Potential Hidden Costs
Several unexpected expenses can arise during a roof replacement. These hidden costs often stem from unforeseen problems discovered during the tear-off process. For example, damaged sheathing or structural issues requiring repairs might necessitate additional labor and materials. Similarly, unexpected problems with the existing underlayment or flashing might increase costs. Discovering rotted wood or needing additional repairs to the roof deck is another potential added expense. It is advisable to factor in a contingency budget of 10-15% of the total estimated cost to account for such possibilities. For example, if the estimated cost is $10,000, a contingency of $1,000-$1,500 should be included.
Roof Replacement Budget Template
To effectively manage the roof replacement costs, it’s recommended to create a detailed budget template. This template should encompass all potential expenses, ensuring a comprehensive financial overview.
Cost Category | Estimated Cost | Actual Cost |
---|---|---|
Asphalt Shingles (materials) | ||
Underlayment | ||
Flashing | ||
Labor (installation) | ||
Roof Tear-Off and Disposal | ||
Permit Fees | ||
Inspections | ||
Contingency (10-15%) | ||
Total Estimated Cost |
Finding the Best Prices for Asphalt Shingles
Securing the best price for your asphalt shingle roof installation requires a strategic approach. By employing effective negotiation techniques, comparing multiple quotes, and exploring cost-saving options, you can significantly reduce the overall expense without compromising on quality. This section Artikels practical strategies to help you achieve the most competitive price.
Negotiating Prices with Roofing Contractors
Effective negotiation involves more than simply asking for a lower price. It’s about building a relationship based on mutual respect and understanding. Begin by clearly stating your budget upfront. This allows the contractor to focus on options within your financial constraints. Ask detailed questions about the materials used, the warranty offered, and the timeline for completion. Don’t hesitate to compare their pricing with quotes from other reputable contractors. Highlight any discrepancies or areas where you believe their pricing is higher than average. Remember, politeness and professionalism go a long way in securing a favorable deal. A contractor who is confident in their work and pricing will be more willing to negotiate reasonably. For example, if one contractor quotes $15,000 and another quotes $12,000 for a similar project, you can use the lower quote as leverage to negotiate with the first contractor.
The Benefits of Obtaining Multiple Quotes
Obtaining at least three quotes from different roofing contractors is crucial. This allows for a comprehensive comparison of pricing, materials, and services. Different contractors may offer varying levels of warranty, use different types of shingles, or have different labor rates. By comparing quotes side-by-side, you can identify the best value for your investment. This process not only helps secure a lower price but also ensures you are choosing a contractor who is transparent and competitive in their pricing. For instance, you might find one contractor offering a premium shingle at a slightly lower price than another contractor offering a standard shingle at a higher price. This comparison helps in making an informed decision.
Saving Money on Asphalt Shingle Roof Installation
Several strategies can help you reduce the cost of asphalt shingle roof installation. Consider scheduling your project during the off-season (typically fall or winter), when contractors often offer discounts due to lower demand. Explore options for using less expensive, yet durable, asphalt shingles. While premium shingles offer longevity and aesthetic appeal, standard shingles can still provide adequate protection at a lower cost. Inquire about financing options offered by contractors or lenders, which can make the overall cost more manageable. Lastly, carefully review the contract to ensure you understand all the costs involved, including permits and waste disposal fees, to avoid unexpected expenses. For example, opting for a 3-tab shingle instead of architectural shingles can save several hundred dollars depending on the roof size.
Comparing Costs of Different Purchasing Methods, Asphalt Shingle Roof Cost – Find the Best Prices
Purchasing materials in bulk can often result in cost savings, especially for larger projects. However, this requires sufficient storage space and careful planning to avoid waste. Retail purchases offer convenience but may come at a higher price per unit. Contractors often have established relationships with suppliers, potentially securing better bulk discounts. Understanding the pricing structure of both bulk and retail purchases will help you determine the most cost-effective approach for your project. For instance, a contractor might purchase shingles in bulk at a discounted rate, leading to lower overall project costs compared to buying the shingles at a retail store.
Warranty and Insurance Considerations
Understanding the warranties on your asphalt shingles and your homeowner’s insurance coverage is crucial for protecting your investment and mitigating potential financial burdens associated with roof damage or replacement. A comprehensive understanding of both will ensure you’re prepared for unforeseen circumstances.
Asphalt shingle warranties typically cover manufacturing defects, such as those that cause premature wear or failure of the shingles. However, these warranties often have limitations, such as exclusions for damage caused by extreme weather events or improper installation. Carefully reviewing the warranty documentation is essential to understanding the extent of coverage and any conditions that may void the warranty. For example, a warranty might cover material defects for 20 years but exclude damage from hailstorms unless a separate endorsement is purchased. This careful review is vital to avoid unexpected costs down the line.
Shingle Warranty Information
Understanding the specifics of your shingle warranty is paramount. This includes knowing the length of coverage for material defects, workmanship, and any limitations or exclusions. Warranties often specify the conditions under which a claim can be made, such as providing proof of purchase and complying with proper installation procedures. For example, some warranties may require regular maintenance to remain valid. A detailed understanding of these conditions is essential for successful warranty claims.
Homeowner’s Insurance Coverage for Roof Damage
Homeowner’s insurance policies typically provide coverage for roof damage caused by covered perils, such as windstorms, hail, fire, or falling trees. However, the extent of coverage varies depending on the type of policy and the specific terms and conditions. It’s important to note that most policies will not cover damage caused by normal wear and tear or lack of maintenance. For instance, gradual shingle deterioration due to age would not be covered, but damage from a sudden hailstorm would likely be.
Homeowner’s Insurance Policy Coverage Variations
Different types of homeowner’s insurance policies offer varying levels of coverage for roof damage. A standard policy usually covers the repair or replacement of the roof up to the policy’s coverage limit, minus the deductible. Comprehensive policies may offer broader coverage, including additional living expenses if your home becomes uninhabitable due to roof damage. Conversely, basic policies may have lower coverage limits and more restrictions. It is crucial to review your policy documents carefully to understand your specific coverage.
Questions to Ask Insurance Providers About Roof Coverage
Before a problem arises, it’s prudent to understand the specifics of your coverage. This proactive approach can prevent unexpected costs and delays.
- What are the specific perils covered under my homeowner’s insurance policy for roof damage?
- What is the coverage limit for roof repair or replacement?
- What is my deductible for roof damage claims?
- Are there any exclusions or limitations on my roof coverage?
- What documentation is required to file a claim for roof damage?
- What is the process for filing a claim and how long does it typically take to process?
- Does my policy cover temporary housing or additional living expenses if my roof is damaged and my home is uninhabitable?
- What is the process for selecting a contractor for repairs, and are there any restrictions?
The Lifespan of Asphalt Shingles and Long-Term Costs
Understanding the lifespan of asphalt shingles is crucial for making informed decisions about roofing investments. The longevity of your roof directly impacts long-term costs, influencing both maintenance expenses and the eventual need for replacement. Choosing a shingle type with a longer lifespan may result in higher upfront costs, but can ultimately save money over the life of the roof.
Asphalt shingles, while relatively affordable initially, exhibit varying lifespans depending on their composition and quality. This variation significantly affects the total cost of ownership over time. Factors like material quality, installation practices, and environmental conditions all play a role in determining the actual lifespan of any given roof.
Average Lifespan of Asphalt Shingle Types
Different types of asphalt shingles offer varying degrees of durability and, consequently, different lifespans. Three-tab shingles, the most basic type, typically last 15-20 years, while architectural shingles, with their thicker construction and more complex design, can last 25-30 years. Premium or designer shingles, featuring enhanced durability and weather resistance, often boast lifespans exceeding 30 years. These differences in lifespan directly translate to differing long-term costs.
Long-Term Cost Implications of Different Shingle Options
The initial cost of a roof is only one component of the total cost of ownership. While three-tab shingles are the least expensive upfront, their shorter lifespan means more frequent replacements, leading to higher cumulative costs over the long run. Conversely, while architectural or designer shingles demand a greater initial investment, their extended lifespan can result in significant long-term savings by reducing the frequency of costly replacements.
Total Cost of Ownership Comparison
Let’s illustrate this with an example. Assume a 2,000 square foot roof. Three-tab shingles might cost $5,000 to install, needing replacement every 15 years. Over 30 years, this translates to two replacements, totaling $10,000. Architectural shingles, costing $10,000 initially, might last 30 years, resulting in a total cost of $10,000 over the same period. While the initial cost is double, the total cost of ownership over 30 years remains the same. A premium shingle with a 50-year lifespan and an initial cost of $15,000 would, theoretically, only cost $15,000 over 50 years, making it the most cost-effective option in the long term. However, these are estimations, and unforeseen circumstances can influence the actual lifespan and cost.
Calculating Cost Per Year of Roof Ownership
To calculate the annual cost of roof ownership, divide the total cost of ownership (including installation and replacement costs) by the number of years the roof is expected to last. For example:
Total Cost of Ownership / Number of Years = Annual Cost
Using the previous examples:
* Three-tab shingles: ($10,000 / 30 years) = $333.33 per year
* Architectural shingles: ($10,000 / 30 years) = $333.33 per year
* Premium shingles: ($15,000 / 50 years) = $300 per year
This calculation provides a useful metric for comparing the long-term financial implications of choosing different asphalt shingle options. It’s important to remember that these are simplified examples and actual costs can vary significantly based on location, labor rates, and specific product choices.
DIY vs. Professional Installation
Choosing between a DIY asphalt shingle roof installation and hiring a professional significantly impacts both the cost and the outcome of your roofing project. While a DIY approach might seem appealing for budget-conscious homeowners, it’s crucial to carefully weigh the potential savings against the risks involved. This section will compare the costs of each approach and analyze the factors influencing this decision.
Cost Comparison: DIY vs. Professional Installation
The most significant difference between DIY and professional installation lies in the upfront cost. Professional roofing companies charge by the square (10×10 feet), typically ranging from $3 to $10 per square foot, depending on location, materials, and the complexity of the roof. This includes labor, disposal of old materials, and usually, a warranty. DIY installation, on the other hand, primarily involves the cost of materials, which can range from $1 to $5 per square foot depending on shingle quality and type. However, this does not account for potential tool rentals, unexpected material needs, or the cost of correcting mistakes. A complex roof requiring specialized equipment or techniques might lead to unexpectedly high DIY costs. For a 20-square roof, a professional installation might cost between $600 and $2000, while DIY materials alone could cost between $200 and $1000, excluding potential additional expenses.
Potential Risks and Challenges of DIY Roof Installation
DIY roof installation presents several significant risks. Working at heights is inherently dangerous, and falls are a major concern. Improper installation can lead to leaks, premature shingle failure, and structural damage, ultimately resulting in much higher repair costs than the initial savings. Lack of experience can lead to mistakes that are difficult and expensive to correct. For instance, incorrect underlayment installation can void warranties and lead to water damage. Furthermore, disposing of old roofing materials properly is crucial and often requires specialized handling. Ignoring this aspect can result in environmental violations and additional fines. Finally, a poorly installed roof might not meet building codes, leading to delays or even the necessity of complete roof replacement.
Factors to Consider When Choosing Installation Method
Several factors influence the decision between DIY and professional installation. Your budget, of course, is a primary consideration. However, your skill level and experience with roofing work are equally important. The complexity of your roof, including its pitch, size, and accessibility, also plays a crucial role. A simple, low-pitched roof might be manageable for a skilled DIYer, while a complex, multi-level roof is best left to professionals. The time commitment is another factor. A professional team can complete the job efficiently, while a DIY project might take several days or even weeks, depending on skill and weather conditions. Finally, consider the potential long-term costs associated with repairs or replacements resulting from DIY mistakes. The initial savings might be negated by future expenses.
Pros and Cons of DIY Asphalt Shingle Installation
Before making a decision, carefully weigh the advantages and disadvantages:
The advantages of DIY installation include:
- Potential cost savings on labor.
- Greater control over the project and material selection.
- Sense of accomplishment.
The disadvantages of DIY installation include:
- Significant risk of injury.
- Potential for costly mistakes and repairs.
- Time-consuming process.
- May void warranties if not done correctly.
- Difficult disposal of old roofing materials.
Pros and Cons of Professional Asphalt Shingle Installation
The advantages of professional installation include:
- Safety and expertise.
- Warranty on both labor and materials.
- Efficiency and timely completion.
- Proper disposal of old materials.
- Compliance with building codes.
The disadvantages of professional installation include:
- Higher upfront cost.
- Less control over the project.
Financing Options for Asphalt Shingle Roof Replacement
Replacing your asphalt shingle roof can be a significant investment. Fortunately, several financing options are available to help homeowners manage the cost. Understanding these options and their associated benefits and drawbacks is crucial for making an informed decision.
Home Equity Loans
Home equity loans allow homeowners to borrow against the equity they’ve built in their homes. The loan amount is typically based on the difference between the home’s value and the outstanding mortgage balance. These loans often have fixed interest rates, providing predictable monthly payments. However, the interest rate may be higher than other financing options, and the loan is secured by your home, meaning foreclosure is a possibility in case of default. Interest rates for home equity loans can vary depending on credit score and market conditions, but typically range from 6% to 12%. For example, a homeowner with good credit might secure a home equity loan at 7% interest for $15,000 to cover their roof replacement, resulting in monthly payments of approximately $280 over a 60-month term.
Home Equity Lines of Credit (HELOCs)
A HELOC is similar to a home equity loan, but it provides access to a line of credit that can be drawn upon as needed. This flexibility is advantageous for managing unexpected expenses during the roofing project. HELOCs typically have variable interest rates, meaning monthly payments can fluctuate. The interest rate is usually tied to a benchmark rate, such as the prime rate, plus a margin set by the lender. For instance, a homeowner might secure a HELOC with a variable interest rate of 4% plus a 2% margin (resulting in a 6% initial rate), allowing them to borrow up to $10,000 for their roof repair as needed. The advantage is that they only pay interest on the amount borrowed, not the full credit limit. However, this flexibility also carries the risk of accumulating higher interest charges over time if the balance isn’t managed carefully.
Personal Loans
Personal loans are unsecured loans not backed by collateral, such as a home. They are generally easier to obtain than home equity loans or HELOCs, but usually come with higher interest rates to compensate for the increased risk to the lender. The interest rates for personal loans vary greatly depending on the borrower’s creditworthiness and the loan amount, typically ranging from 8% to 25% or more. A $10,000 personal loan with a 10% interest rate and a 5-year term might result in monthly payments around $212. While convenient, the higher interest rates can significantly increase the overall cost of the roof replacement.
Credit Cards
Using a credit card for roof replacement can be a quick solution, but it’s often the most expensive option. High interest rates, typically ranging from 15% to 30%, can quickly accumulate significant debt if the balance isn’t paid off promptly. Additionally, most credit cards have lower borrowing limits than other loan types, potentially making them unsuitable for large projects. While convenient for smaller expenses related to the project, relying solely on credit cards for a full roof replacement is generally not recommended due to the potential for substantial interest charges.
Financing Options Comparison
Financing Option | Interest Rate Range | Advantages | Disadvantages |
---|---|---|---|
Home Equity Loan | 6% – 12% | Fixed interest rate, predictable payments, potentially lower interest rates than other options | Secured by your home, may require a higher credit score |
HELOC | Variable, typically prime rate + margin | Flexible access to funds, only pay interest on what you borrow | Variable interest rate, potential for higher interest charges over time |
Personal Loan | 8% – 25%+ | Easier to obtain than home equity loans, unsecured | Higher interest rates than home equity loans, may require good credit |
Credit Card | 15% – 30%+ | Convenient for smaller expenses | Very high interest rates, low borrowing limits, can quickly lead to high debt |
Essential Questionnaire
What is the average lifespan of asphalt shingles?
The lifespan of asphalt shingles varies depending on the quality and type, typically ranging from 15 to 30 years.
Do I need a permit for a roof replacement?
Most localities require permits for significant home renovations like roof replacements. Check with your local building department.
Can I finance a new roof?
Yes, several financing options are available, including home equity loans, personal loans, and financing through roofing contractors.
How can I find a reputable roofing contractor?
Check online reviews, obtain multiple quotes, verify licenses and insurance, and ask for references.
What is included in a roof tear-off?
A roof tear-off involves removing the old roofing materials, disposing of them properly, and preparing the roof deck for new shingles.