Types of Roof Drip Edge

Last updated on June 22, 2023

Discover the various types of roof drip edges and their unique benefits, as we dive into this essential roofing component designed to protect your home’s structure from water damage.

As a roofing expert, I have seen the importance of having a well-installed drip edge on a roof. A drip edge is an essential component that helps to prevent water damage and protect the roof’s structure.

However, not all drip edges are created equal. There are various types of drip edges available in the market, each with its unique features and benefits.

In this article, we will explore the different types of roof drip edges and their advantages to help you make an informed decision when it comes to protecting your home from water damage. So whether you’re a homeowner or a roofing contractor, keep reading to learn more about these crucial components for your roofing system.

Introduction to Roof Drip Edges

types of roof drip edge

Roof drip edges are an essential component of any roofing system. They are installed along the roof’s edge to prevent water from seeping into the structure and causing damage.

Drip edges come in different materials, sizes, and profiles, making it crucial to choose the right one for your specific roofing needs.

Drip edges work by directing water away from your home’s fascia board and preventing it from getting under shingles or tiles. Without a properly installed drip edge, rainwater can penetrate through gaps between shingles or tiles and cause rotting of wood structures underneath.

In addition to protecting against water damage, a well-installed drip edge also helps improve energy efficiency by reducing air leaks around the roofline. This is because they create a barrier that prevents wind-driven rainwater from entering through small openings in your roof.

Installing a quality drip edge is an investment that will help protect your home for years to come while improving its overall energy efficiency.

Purpose of Drip Edges

Without a drip edge, water can seep into the roofing system and cause significant structural damage over time. Drip edges are installed at the roof’s eaves and rakes to prevent rainwater from getting under shingles or tiles, which could lead to rotting wood or mold growth.

Drip edges also help direct water away from your home’s foundation by channeling it into gutters or downspouts. This prevents erosion around your home and keeps moisture away from your basement walls.

Another benefit of having a properly installed drip edge is that it helps keep pests out of your attic space. Small animals like squirrels, mice, and birds often try to enter homes through gaps in roofs’ eaves but cannot do so if there is an adequate barrier in place.

Different Materials for Drip Edges

The most common materials used for drip edges include aluminum, galvanized steel, copper and PVC. Aluminum is the most popular material due to its durability and affordability.

It’s also lightweight and easy to install.

Galvanized steel is another popular option because of its strength and resistance to corrosion. However, it can be heavy compared to other materials like aluminum.

Copper drip edges are a premium choice that offers excellent durability as well as an attractive appearance that adds value to your home’s curb appeal.

PVC or vinyl drip edges have become increasingly popular due to their low cost and ease of installation but may not be suitable for areas with extreme weather conditions such as high winds or hailstorms.

Types of Drip Edge Profiles

The most common types of drip edge profiles are Type C, Type L, and Type T.

Type C: This profile is the most commonly used type of drip edge. It has a flat top with two flanges that extend down on either side at 90-degree angles.

Its design allows it to be installed under shingles or other roofing materials easily.

Type L: This profile has one flange that extends up the roof’s slope and another that extends over the eaves’ edge. It is ideal for roofs with low slopes as it provides better protection against water damage than other types.

Type T: As its name suggests, this profile resembles a “T” shape when viewed from above. It features an extended back leg that goes under the roofing material while its front leg covers the eaves’ edge.

Choosing which type of drip edge to use depends on various factors such as your roof’s slope and weather conditions in your area.

A. Type C

They have a unique design that allows them to be installed under the shingles and overhang the roof’s edge, providing an extra layer of protection against water damage. Type C drip edges are made from various materials such as aluminum, galvanized steel, or copper.

One significant advantage of using Type C drip edges is their ability to prevent wind-driven rainwater from getting underneath your roof’s shingles. This type of profile also helps direct water away from your home’s foundation and prevents it from seeping into your walls or basement.

When installing a Type C drip edge, it is crucial to ensure that it extends at least 1/4 inch beyond the fascia board for maximum effectiveness. It should also be securely fastened with nails or screws every 12 inches along its length.

B. Type L

This type of drip edge features a 90-degree angle that extends up the roof’s edge, providing an extra layer of protection against water damage. Type L is commonly used on roofs with shingles or other types of roofing materials that require additional support.

One advantage of Type L drip edges is their ability to prevent wind-driven rain from entering your home through the roof’s edge. The extended leg helps to direct water away from the fascia board and into the gutter system, reducing potential damage caused by standing water.

When it comes to installation, Type L drip edges should be installed under your roofing material and over your underlayment for maximum effectiveness. It’s essential to ensure proper installation techniques are followed as incorrect placement can lead to leaks or other issues down the line.

C. Type T

This type of drip edge has a unique design that allows it to be installed on both the eave and rake edges of the roof. The “T” shape provides an extra layer of protection against water damage by directing water away from the fascia board.

One advantage of Type T drip edges is their versatility in installation, making them ideal for roofs with different angles or slopes. They can also be used with various roofing materials such as asphalt shingles, metal panels, or tiles.

When installing Type T drip edges, it’s essential to ensure they overlap correctly at corners and joints to prevent any gaps where water could seep through. Proper installation will help maximize their effectiveness in protecting your home from potential water damage.

Type T is just one example among several types available when choosing a suitable roof drip edge for your home’s needs.

Proper Drip Edge Installation

Improper installation can lead to water damage and other roofing problems. Therefore, it’s essential to hire a professional roofer who has experience in installing drip edges.

The first step in proper installation is ensuring that the roof deck’s edge is clean and free from debris or any protruding nails. The next step involves measuring the length of each roof section where you intend to install the drip edge accurately.

After cutting your pieces according to measurements, you should then attach them using galvanized roofing nails or screws at intervals of 6 inches along with each piece’s top flange. It would be best if you also overlapped adjacent sections by at least two inches while ensuring they are flush against one another.

Make sure that all corners are properly sealed with caulk or sealant for added protection against water infiltration.

Common Drip Edge Problems

One common issue is improper installation, which can lead to water infiltration and damage to the roof’s structure. Another problem is inadequate coverage, where the drip edge does not extend far enough from the roof’s edge to prevent water from seeping in.

Some homeowners may opt for cheaper materials or neglect maintenance altogether. This can cause rusting or corrosion over time and eventually lead to failure of the drip edge system.

It’s important for homeowners and contractors alike to be aware of these common issues so that they can take steps towards proper installation and maintenance practices.

Repairing and Replacing Drip Edges

If you notice any signs of damage such as rust, cracks, or missing sections on your drip edge, it’s essential to repair or replace it immediately.

Repairing a damaged drip edge involves removing the affected section and replacing it with a new one. This process requires some level of expertise in roofing repairs; hence we recommend hiring a professional roofer for this task.

Replacing an old or worn-out drip edge is also crucial in preventing water damage to your home’s structure. When replacing the entire roof system, ensure that you install new drip edges as well since reusing old ones may compromise their effectiveness.

Repairing and replacing damaged or worn-out roof drips are critical steps towards maintaining the integrity of your roofing system and protecting your home from water damage.

Drip Edge Maintenance Tips

Regular maintenance can help prevent water damage and prolong the life of your roof. Here are some tips for maintaining your drip edge:

1. Clean debris: Debris such as leaves, twigs, and dirt can accumulate on the roof’s surface over time and clog up the drainage system.

It is crucial to clean this debris regularly so that water flows freely off the roof.

2. Check for damage: Inspect your drip edge periodically for any signs of wear or tear such as cracks or rust spots.

3. Repair damaged areas promptly: If you notice any damages during inspection, repair them immediately before they worsen.

4. Trim nearby trees: Overhanging branches from nearby trees can cause damage by scraping against the roofing material or blocking gutters with falling leaves; trim them back regularly.

5. Replace missing fasteners- Missing fasteners may lead to loose edges which will not be able  to protect against moisture penetration.

Costs of Drip Edges

The material used for the drip edge is one of the most significant determinants of its price. For instance, aluminum and galvanized steel are relatively affordable options compared to copper or stainless steel.

The length and size of your roof also play a role in determining how much you’ll pay for your drip edges. A larger roof will require more materials, which means higher costs.

If you’re hiring a professional roofing contractor to install your drip edges, their labor fees will be included in the overall cost as well.

It’s essential to keep in mind that while opting for cheaper materials may save you money upfront; they may not last as long or provide adequate protection against water damage over time.

Choosing the Right Drip Edge

The first thing you need to do is determine the type of roofing material you have and choose a drip edge that is compatible with it. For example, if you have an asphalt shingle roof, then a metal or vinyl drip edge would be suitable.

Another factor to consider when selecting a drip edge is its profile type. As mentioned earlier in this article, there are three main types of profiles: Type C, Type L and Type T.

Each profile has its unique features and benefits; therefore it’s essential to choose one that suits your specific needs.

Ensure that the size of the chosen drip edge matches your roof’s pitch angle as well as its thickness so that water can flow smoothly into gutters without any obstruction.

Frequently Asked Questions

What is the purpose of a drip edge? A drip edge is designed to prevent water from seeping into your roof’s structure and causing damage.

2. How do I know if my home needs a new drip edge? If you notice any signs of water damage or leaks in your attic, it may be time to replace your old or damaged drip edges.

3. Can I install a new drip edge myself? While it’s possible for homeowners to install their own drip edges, we recommend hiring an experienced roofing contractor for proper installation and safety reasons.

4. What materials are used for making Drip Edges? Drip edges can be made from various materials such as aluminum, galvanized steel, copper or PVC plastic depending on the type of roof system being installed.

5. What are some common problems with Drip Edges? Common issues include improper installation leading to gaps that allow water penetration; rusting due to exposure over time; and poor maintenance which leads them becoming loose over time.


It helps to protect your home’s structure from water damage and prolongs the lifespan of your roof. With various types of drip edges available in the market, it can be overwhelming to choose the right one for your roofing needs.

However, by understanding their unique features and benefits, you can make an informed decision that suits both your budget and preferences.

Proper installation is crucial when it comes to ensuring that a drip edge functions effectively. Therefore, always hire a professional roofer with experience in installing these components.

Lastly, regular maintenance checks on your roof’s drip edges are necessary to ensure they remain functional throughout their lifespan. By following these tips outlined above on choosing the right type of material for different weather conditions or climates as well as proper installation techniques will help keep them working efficiently over time!