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Pipe Flashing: Why Your Roof Needs One

Roofing Contractors

In the US, most roofs are made of asphalt, which needs to be replaced every 20 to 30 years. However, you can make your asphalt roof last longer by regularly inspecting and maintaining it. One of the key aspects of this is making sure that your pipe flashings are in good condition.

Pipe flashings are the metal or plastic pieces that seal around your pipes where they come through the roof. They’re essential because they prevent water from seeping around the lines and causing damage to your roof or home.

In this blog post, we’ll discuss what pipe flashing is, where it’s used, and how to keep it in good condition. We’ll also cover some things not to do when installing or maintaining pipe flashings.

So read on to get well acquainted with this vital topic of transition metal in your roof.

What Is Pipe Flashing & Why Does It Matter?

Pipe flashing is a type of roofing material used to seal around pipes that penetrate the roof. Pipe flashings are installed over the pipe and under the shingles or other roofing material.

The flashing has a hole in the center that fits snugly around the pipe. This creates a watertight seal that prevents water from leaking into the house through the pipe.

Pipe flashings are important because they prevent water damage to your home. Water can cause wood rot, mold growth, and structural damage. By sealing around pipes with pipe flashings, you can protect your home from these types of problems.

Moreover, pipe flashings add an extra layer of protection against wind and debris. If a tree branch falls on your roof, for example, the pipe flashing will help to prevent water from leaking into the home through the hole left by the department.

How to Maintain Pipe Flashing?

Pipe flashing is made of metal, so it can last for many years if it’s properly maintained. The best way to keep pipe flashing is to have it inspected every year by a professional roofer.

During an inspection, the roofer will check for any signs of wear or damage. They will also ensure that the flashings are still sealed around the pipes and that there are no gaps or openings.

If you live in an area with severe weather conditions, you may need to have your pipe flashings inspected more often.

For example, if you live in an area that gets a lot of snow, the weight of the snow can damage pipe flashings. If you live in an area that gets high winds, the wind can loosen the flashings and cause them to come off of the pipes.

In general, it’s a good idea to have your pipe flashings inspected whenever your roof is inspected. This way, you can catch any problems early and prevent major damage to your home.

Roof-to-Wall Pipe Flashing

Roof-to-wall pipe flashing is used when the roof peaks at a wall. This type of flashing is installed over the top of the pipe and extends up the side of the wall, which is very important.

The purpose of roof-to-wall pipe flashing is to prevent water from entering your home through the gap between the roof and the pipe.

Step Pipe Flashing

Step pipe flashing is used when the roof meets a wall. This type of flashing is installed over the top of the pipe and extends down the side of the wall.

Step pipe flashing prevents water from entering your home through the gap between the roof and the pipe.

In greater detail, step pipe flashing is:

  • a hole in the center that fits snugly around the pipe
  • installed over the pipe and under the shingles or other roofing material
  • made of metal, so it can last for many years if it’s properly maintained
  • inspected every year by a professional roofer
  • used when the roof peaks at a wall or meets a wall
  • a prevention method for water from entering your home through the gap between the roof and the pipe

Pan Metal Flashing

Pan metal flashing is used above and below chimneys and skylights. This type of flashing is installed over the top of the pipe and extends up the side of the chimney or skylight.

The purpose of pan metal flashing is to prevent water from entering your home through the gap between the roof and the pipe.

Other detail homeowners should know about pan metal flashing:

  • A pan flashing is a metal piece that is placed over the top of a pipe and extends up the side of the chimney or skylight
  • The purpose of the pan flashing is to prevent water from entering your home through the gap between the roof and the pipe
  • Pan flashings are made of either galvanized steel or aluminum
  • Galvanized steel is a more durable option, but it is also more expensive

Kick-Out Flashing

Kick-out flashing is used at the bottom of step flashings to divert water into gutters, which is critical for longevity. This type of flashing is installed over the top of the pipe and extends down the side of the wall.

The purpose of kick-out flashing is to prevent water from entering your home through the gap between the roof and the pipe.

Kick-out flashings are L-shaped, with the long side up against the roofing material and the short side pointing down the wall. The bottom edge of the flashing is bent or “kicked out” so that it extends past the pipe. There is a gap between the top of the pipe and the flashing to allow water to flow into the gutter

Flashing Materials: Differences, Purpose & Cost

The most common type of pipe flashing is made of aluminum. 

  1. Aluminum is a durable material that won’t rust or corrode. It’s also lightweight, making it easy to install. Aluminum pipe flashing is available in various colors to match your roof. 
  2. Copper pipe flashing is another option. Copper is a durable material that won’t rust or corrode. It’s also resistant to UV rays, making it ideal for use in sunny climates. Copper pipe flashing is available in various colors to match your roof.
  3. Steel pipe flashing is the most durable option. Steel won’t rust or corrode and is fire-resistant. Steel pipe flashing is available in a variety of colors to match your roof.

Other Less Expensive Materials

Asphalt, vinyl, and rubber are less expensive materials you may commonly see on roofs. 

Each of these materials is easy to install and available in a variety of colors to match your roof. Be wary, however, as they are not as durable as aluminum, copper, or steel and can break down over time.

Average Pipe Flashing Cost in the US

The average cost of pipe flashing in the US is $2 per linear foot. The cost of pipe flashing will vary depending on the type of material you choose and the size of your home.

The cost to install pipe flashing will vary depending on the type of material you choose and the size of your home.

Aluminum, copper, and steel pipe flashing can be installed by a professional roofer. A do-it-yourselfer can install asphalt, rubber, and vinyl pipe flashing.

Moreover, the cost of pipe flashing will also vary depending on the size of your home. A small home will require less pipe flashing than a large home.

What You Should Never Do With Pipe Flashing

When it comes to ongoing care for your roof’s pipe flashing, there are several things you need to remember when you conduct any care or maintenance work.

  • Never paint pipe flashings to match the roof. The paint will chip and, over time will make the flashing look worse.
  • It is not recommended to use an inferior material that won’t last as long as aluminum, copper, or steel. Asphalt, rubber, and vinyl are all less durable than aluminum, copper, or steel.
  • Do not forget to install pipe flashings with sealant. Sealant helps to prevent water from entering your home through the gaps around the pipe.
  • Never hire a roofing contractor who doesn’t have experience with pipe flashings. Make sure your roofer is familiar with the installation and repair of pipe flashings.
  • Never neglect to inspect your pipe flashings every year. Pipe flashing can become damaged over time and needs to be repaired or replaced as necessary.

Inspect Your Pipe Flashing Every Year

Pipe flashings should be inspected every year to ensure they are in good condition. If you notice any damage, such as cracks or missing sealant, contact a roofing contractor to have the flashing repaired or replaced.

If you’re not comfortable inspecting your own pipe flashings, you can hire a roofing contractor to do it for you. Roofing contractors will inspect your pipe flashings and ensure they are in good condition. They can also repair or replace any damaged flashings.

When it comes to pipe flashings, it’s better to be safe than sorry. Inspecting your pipe flashings every year can help prevent water damage to your home.

Your Pipe Flashings Done Right

Hiring a roofing contractor to inspect your pipe flashings is the best way to ensure they are in good condition. Roofing contractors have the experience and expertise to inspect and repair your pipe flashings properly.

If you require a roofing contractor, contact Roof Life of Oregon. We offer various roofing services, including pipe flashing repairs and replacements. We also provide a free roof inspection when you book our services. Contact us today to learn more!

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