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Copper Roof Flashing (Cost, Styles, & More)

When it comes to protecting your home from the elements, copper roof flashing is a premium solution that combines both:

  • Aesthetics
  • Functionality
  • Strength

If you’re a homeowner considering home improvements, particularly to your roofing system, this comprehensive guide will help you understand everything there is to know about copper roof flashing.

What is Roof Flashing?

Before we jump into the specifics of copper roof flashing, it’s essential to understand what roof flashing is. Roof flashing is a material used to seal and protect joints in a building from water penetration. This includes areas such as chimneys, vents, skylights, and any other projections or intersections on the roof. The primary function of roof flashing is to direct water away from these joints and prevent leaks, which can cause significant damage over time.

Why Choose Copper for Roof Flashing?

There are plenty of material options for your roof flashing. So, why choose copper? We’ve broken down a few of the benefits:

  • Durability: One of the most compelling reasons to choose copper roof flashing is its durability. Copper is highly resistant to corrosion and can withstand extreme weather conditions, including heavy rain, snow, and high winds. Unlike other materials that may degrade over time, copper maintains its integrity for decades.
  • Aesthetic Appeal: Copper flashing adds an elegant, timeless look to your home. Over time, copper develops a natural patina that changes color from its original shiny reddish-brown to a beautiful greenish hue. This aging process, known as oxidation, is highly sought after for its unique aesthetic appeal.
  • Flexibility: Copper is a highly malleable metal, meaning it can be easily shaped to fit any architectural design or roof structure. This flexibility makes it ideal for complex roof systems with multiple angles and intersections.
  • Eco-friendly: Copper is 100% recyclable, making it an environmentally friendly choice. Using copper for roof flashing contributes to sustainable building practices.
  • Low Maintenance: Once installed, copper flashing requires minimal maintenance. Its natural resistance to algae, moss, and lichen growth means you won’t have to worry about frequent cleanings or treatments.

5 Types of Copper Roof Flashing

Copper roof flashing comes in various forms, each designed to protect different parts of your roof. Here are the most common types:

1) Step Flashing

Step flashing is used where the roof intersects with a vertical wall, such as around chimneys or dormers. It consists of small pieces of copper bent at a 90-degree angle, laid in steps along the roofline.

2) Continuous Flashing

Also known as apron flashing, continuous flashing is a long piece of copper that extends across the roof’s edge. It’s commonly used at the base of a chimney or along the front edge of a dormer.

3) Valley Flashing

Valley flashing is used in the valleys of a roof, where two roof planes meet. This type of flashing directs water down the roof and into the gutters, preventing water from pooling and causing leaks.

4) Drip Edge Flashing

Drip edge flashing is installed along the roof’s edge to direct water into the gutters, protecting the underlying wood from water damage.

5) Counter Flashing

Counter flashing is used in conjunction with step flashing. It’s installed over the step flashing to provide an additional layer of protection against water infiltration.

Understanding The Installation Process

Installing copper roof flashing requires precision and expertise. Here’s a step-by-step guide to the installation process:

Preparation

Before installation, it’s crucial to measure and cut the copper to the required sizes. Ensure you have all the necessary tools, including tin snips, a hammer, and roofing nails.

Install Base Flashing

Begin by installing the base flashing, starting at the bottom of the roof and working your way up. Secure the flashing with roofing nails, ensuring it’s tight against the roof surface.

Install Step Flashing

For areas where the roof intersects with vertical walls, install step flashing by slipping each piece under the shingles and securing it to the wall with nails.

Install Valley Flashing

For roof valleys, lay the valley flashing down the center of the valley, securing it with nails along the edges. Ensure the flashing extends beyond the roof’s edge and into the gutters.

Install Counter Flashing

Install counter flashing over the step flashing, securing it to the wall with nails. Ensure the counter flashing overlaps the step flashing to create a watertight seal.

Seal Joints

Once all the flashing is installed, use a high-quality sealant to seal any joints or seams, ensuring there are no gaps where water can penetrate.

Inspect

After installation, inspect the flashing to ensure it’s appropriately secured and there are no gaps or loose nails. Make any necessary adjustments to ensure a watertight seal.

Maintenance Tips

While copper roof flashing requires minimal maintenance, following a few simple tips can help ensure its longevity:

  • Regular Inspections: Inspect your roof flashing at least twice a year, particularly after severe weather events. Look for any signs of damage, such as loose nails, gaps, or corrosion.
  • Clean Debris: Remove any debris, such as leaves or branches, that may accumulate around the flashing. This will help prevent water from pooling and causing damage.
  • Avoid Harsh Cleaners: Avoid using harsh chemicals or abrasive cleaners on copper flashing, as they can damage the metal. Instead, use a soft cloth and mild soap to clean the flashing if necessary.
  • Monitor Patina Development: Keep an eye on the patina development on your copper flashing. While the patina provides a protective layer, excessive greenish buildup may indicate water pooling or other issues that need addressing.

Cost Considerations

Copper roof flashing is more expensive than other materials, such as aluminum or galvanized steel. However, the benefits of durability, aesthetic appeal, and low maintenance often outweigh the initial cost. When budgeting for copper roof flashing, consider the following factors:

Material Costs

Copper is a premium material, and its cost can vary depending on market conditions. On average, copper flashing costs between $15 to $30 per linear foot.

Labor Costs

Installing copper flashing requires skilled labor, and labor costs can vary depending on your location and the complexity of the installation. On average, labor costs for copper flashing installation range from $50 to $100 per hour.

Long-term Savings

While the initial cost of copper flashing may be higher, its durability and low maintenance requirements can save you money in the long run by reducing the need for frequent repairs or replacements.

DIY vs. Professional Installation

While some homeowners may consider installing copper roof flashing themselves, hiring a professional is generally recommended for the best results. Here are some factors to consider when deciding between DIY and professional installation:

👷‍♀️ Skill Level

Installing copper flashing requires precision and expertise. If you lack experience in roofing and flashing installation, hiring a professional is best to ensure a watertight seal and prevent future leaks.

🔨 Tools and Equipment

Installing copper flashing requires specialized tools and equipment, such as tin snips, hammers, and roofing nails. If you don’t have access to these tools, hiring a professional may be more cost-effective than purchasing them yourself.

🦺 Safety

Roofing work can be hazardous, particularly for those inexperienced in working at heights. Hiring a professional ensures the job is done safely and reduces the risk of accidents.

📄 Warranty

Many professional roofing contractors offer warranties on their work, providing peace of mind and protection against future issues. If you install the flashing yourself, you may not have the benefit of a warranty.

Learn More About Copper Flashing

 

Copper roof flashing is a premium solution that offers durability, aesthetic appeal, and low maintenance for homeowners. While the initial cost may be higher than other materials, the long-term benefits make it a worthwhile investment. Whether you choose to install the flashing yourself or hire a professional, proper installation and maintenance are crucial to ensuring your roof remains watertight and protected for years to come.

Ready to upgrade your home’s roofing system with copper flashing? Contact our team of experienced roofing professionals at Shake Guys today for a consultation and quote.

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