March 2025

Introduction

Installing roof shingles is a crucial step in protecting a home or building from harsh weather conditions. Proper preparation and installation ensure a long-lasting and durable roof. This guide covers every essential step, from removing old shingles to securing new ones, using best practices that enhance roof performance and longevity.

1. Preparing the Roof for Shingle Installation

Removing Old Shingles

Before installing new shingles, all old roofing materials must be removed. This process involves:

• Using a roofing shovel or pry bar to lift and discard old shingles.
• Checking for underlying damage on the roof deck.
• Removing nails and debris to ensure a smooth installation surface.

Inspecting and Securing the Roof Deck

The roof deck serves as the foundation for shingles. It must be:

• Free from rot or water damage.
• Properly fastened to the roof frame to prevent movement.
• Reinforced with new plywood sheets if needed.

Cleaning and Preparing the Surface

• Sweep away dust, nails, and debris.
• Ensure the roof deck is completely dry before proceeding.

2. Essential Underlayment for Shingle Longevity

Installing a Drip Edge

A drip edge is a metal strip installed along the eaves and rakes to direct water away. It should be:

• Nailed every 8-10 inches for secure placement.
• Installed before underlayment along eaves and after underlayment along rakes.

Applying Ice and Water Shield

In colder climates, an ice and water shield prevents leaks from ice dams. To install:

• Roll out the shield starting at the eaves.
• Overlap sheets by at least 6 inches.
• Firmly press it onto the roof deck for a watertight seal.

Laying Roofing Felt (Underlayment)

Roofing felt provides an additional moisture barrier. Key steps include:

• Overlapping each row by at least 2 inches.
• Stapling or nailing it securely in place.
• Ensuring full coverage before shingle installation.

3. Installing Roof Shingles Properly

Starting with a Starter Strip

A starter strip of shingles helps prevent wind uplift. It should be:

• Placed along the roof edge.
• Nailed down with 4-6 nails per strip.
• Positioned with a slight overhang over the drip edge.

Laying the First Row of Shingles

The first full row of shingles must be carefully aligned. Best practices include:

• Aligning shingles with the starter strip.
• Nailing just above the adhesive strip for a secure hold.
• Using a staggered pattern to avoid water penetration.

Nailing Techniques for Maximum Hold

• Use roofing nails that are at least 1 ¼ inches long.
• Drive nails straight to prevent shingle movement.
• Place nails in designated areas to avoid tearing.

Overlapping for Water Resistance

Each shingle row should slightly overlap the one below it to direct water away. Recommended overlap:

• Standard shingles: ½ inch to 1 inch over the previous row.
• Architectural shingles: Follow manufacturer guidelines for precise overlap.

4. Installing Ridge Caps and Roof Ventilation

Placing Ridge Cap Shingles

Ridge caps provide extra protection at the peak of the roof.

• Cut shingles into individual caps if pre-cut caps are unavailable.
• Overlap each cap slightly.
• Nail securely with two nails per cap.

Installing Roof Vents

Proper ventilation prevents heat and moisture buildup. Key points:

• Cut ventilation holes in the roof deck before installing shingles.
• Place ridge vents along the roof peak for optimal airflow.
• Secure vents with nails and seal around edges with roofing cement.

5. Final Inspection and Maintenance Tips

Inspecting the Finished Roof

• Check for misaligned shingles or exposed nails.
• Ensure all edges are properly sealed.
• Look for any loose shingles and re-nail them if necessary.

Routine Roof Maintenance

To extend the lifespan of shingles:

• Clean gutters regularly to prevent water buildup.
• Trim overhanging tree branches to reduce debris.
• Schedule annual inspections to catch minor issues early.

Conclusion

Properly installing roof shingles enhances the durability and weather resistance of a roof. By following these best practices, homeowners and contractors can ensure a long-lasting and efficient roofing system. If you’re looking for expert assistance, Tried and True Roofing provides professional roofing services in Denver, Colorado, ensuring top-quality workmanship for your roofing needs.

Why Asphalt Roofing Remains the Top Choice

Asphalt roofing stands as the most widely used roofing material in the United States due to its affordability, durability, and ease of installation. It provides homeowners and businesses with a cost-effective yet highly functional solution for protecting their structures against the elements.

Types of Asphalt Shingles

Asphalt shingles are available in different types, each offering unique benefits based on budget, aesthetics, and performance needs.

1. Three-Tab Asphalt Shingles

Three-tab shingles are the most economical option, featuring a uniform design with cutouts (or tabs) that create the illusion of multiple shingles. While they provide adequate protection, they have a shorter lifespan compared to higher-end options.

2. Architectural (Dimensional) Shingles

Architectural shingles offer enhanced durability and a more visually appealing design. These shingles are thicker and feature a dimensional look that mimics wood or slate. They also provide better resistance to wind and extreme weather conditions.

3. Luxury (Premium) Asphalt Shingles

Luxury shingles provide the highest level of durability and aesthetic appeal. They are designed to replicate high-end roofing materials like cedar shakes or slate while offering superior weather resistance and an extended lifespan.

Benefits of Asphalt Roofing

1. Cost-Effectiveness

Compared to other roofing materials such as slate, metal, or tile, asphalt shingles offer one of the most affordable options without sacrificing quality. The installation process is also quicker and requires fewer specialized skills, reducing labor costs.

2. Strength and Weather Protection

Asphalt shingles are built to endure diverse weather conditions, from heavy rainfall and snowfall to powerful winds. High-quality shingles, such as Class IV impact-resistant shingles, can even endure hailstorms, making them a strong choice for areas prone to severe weather.

3. Variety of Styles and Colors

With an extensive range of styles, colors, and textures, asphalt shingles allow homeowners to customize their roofs to match the architectural design of their homes. Whether aiming for a classic or modern look, there is an option to suit every preference.

4. Easy Maintenance and Repairs

Regular inspections and minor repairs can extend the life of an asphalt roof significantly. Because shingles are widely available, replacing damaged sections is simple and cost-effective.

5. Fire Resistance

Fiberglass-based asphalt shingles offer superior fire resistance, providing an added layer of protection to homes and commercial buildings. Many of these shingles meet Class A fire ratings, the highest rating available.

Asphalt Shingle Installation and Lifespan

Proper installation is crucial for maximizing the longevity and performance of an asphalt roof. A well-installed asphalt shingle roof can last between 20 to 30 years, depending on the quality of materials and maintenance.

Key Factors for a Long-Lasting Asphalt Roof

1. Proper Ventilation – Ensuring adequate airflow in the attic prevents moisture buildup and temperature imbalances that can weaken shingles.
2. Quality Underlayment – A strong underlayment adds an extra layer of protection against leaks.
3. Regular Inspections – Scheduling annual or biannual roof inspections helps detect and address minor issues before they escalate.
4. Gutter Maintenance – Keeping gutters free of debris prevents water damage and extends the lifespan of shingles.
5. Professional Installation – Choosing an experienced roofing contractor ensures proper shingle alignment, nailing, and sealing.

Common Issues and How to Prevent Them

1. Granule Loss

Over time, asphalt shingles lose their protective granules, which can lead to reduced weather resistance. Regular roof inspections help identify early signs of granule loss.

2. Curling or Buckling

Poor attic ventilation and excessive heat can cause shingles to curl or buckle. Ensuring proper ventilation and insulation helps prevent this issue.

3. Algae and Moss Growth

In humid environments, algae and moss can grow on shingles, leading to premature deterioration. Algae-resistant shingles or occasional roof cleanings help combat this problem.

4. Leaks and Water Damage

Damaged or missing shingles can lead to leaks. Promptly replacing any compromised shingles prevents extensive water damage and costly repairs.

Choosing the Right Roofing Contractor

Selecting a reputable roofing company is essential for a successful asphalt roof installation. Homeowners should look for licensed and insured contractors with a track record of quality work. Reading customer reviews and requesting detailed estimates can help ensure a reliable roofing service.

Tried and True Roofing specializes in roofing services in Denver, Colorado, providing expert installation and repair for residential and commercial properties. As experienced roofers in Denver, we ensure top-tier craftsmanship, using high-quality materials to meet the needs of our clients.

Conclusion

Asphalt roofing remains a top choice for homeowners and businesses due to its affordability, durability, and versatility. With proper installation, regular maintenance, and quality materials, an asphalt roof can provide long-lasting protection and aesthetic appeal. Whether upgrading an existing roof or installing a new one, asphalt shingles offer an excellent balance between cost and performance.