Flashing Mistakes Poor Quality Roofers Make [Avoid These]
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Mistakes that Poor Quality Roofers Make With Flashing

Posted by Northface Construction  - Owner & Founder

Hey folks, today we’re talking about the importance of replacing your flashing and making sure that it is properly installed.

Many low-quality roofers look to cut corners when it comes to areas like the flashing. This is unfortunate because the flashing is an important material when it comes to creating an avenue for water to flow off of your roof. Flashing mistakes can end up being the catalyst to a slew of interior water damage to your home. To avoid that, you first need to know how to pick a high-quality roofer, but also know the signs of poorly installed flashing. Don’t worry, we’ll help out.

Typically you’ll see flashing installed near chimneys and where the roof meets the siding or other roofing elements like a pipe boot or skylight. Simply put, flashings are a metal material that goes where shingles are not applicable. It helps seal those seams that leave your roof susceptible to leaks.

In the video, you’ll see step flashing installed alongside the siding and the corner of the roof that overlap one another as they go up along the side. A low-quality roofer would be fine with not even bothering to replace this flashing during a roof replacement. Why? Because it saves them time and effort and allows them to complete the roof fast and move on to the next one.

While this may be convenient for them, it isn’t for the homeowner. They’ll likely experience leaks and will need to hire someone else to come and do it right, which will cost more money in the long run.

In the video, you’ll also notice that the ice and water shield is also not up to snuff. This is another area where a poor-quality roofer would just ignore and try and get the job done.

However, what we ended up doing was replacing the flashing as well as expanding the ice and water shield so that it covered a wider portion of the roof. That way, leaks are less likely to occur now.

The ability to recognize when a roof needs new materials makes all the difference between a lousy roof and a high-quality one.

step flashing installed along chimney

Edge Flashing and Gutter Apron

Later in the video, we discuss the edge flashing and the gutter apron of the roof. We recommend watching the clip to get a good visual of that part of the roof.

A lot of roofers will try and reuse the materials in that area of the roof, but usually, by the time a roof replacement is necessary, these materials will basically be fried and new ones will be needed. In addition, be mindful of any sharp edges or points within older materials that can potentially cause holes and areas for water to get through.


If you have a chimney, then flashing is essential for ensuring that your home remains leak-free. Flashing will go along the side to ensure no leaks go behind the bricks or siding at that seam.

When it comes to chimneys, we’ll remove the original flashing and replace it with newer, more reliable material. In the case of the chimney in the video, we ended up girning the chimney down and set in some new metal so that the homeowners won’t have to worry about any leaks for quite some time.

Chimney flashing is essential.

If you’re getting some roof renovation done and you have a chimney, make sure that the roofer you hire is experienced in dealing with replacing the flashing on and around chimneys.

Remember, your home is one of the biggest investments you’ll make in your life. Don’t go with a low-quality roofer.

Instead, go with an experienced professional who knows how to take care of homes and keep them running smoothly. With such extreme winter weather shifts in Minnesota, you can’t afford to cut corners.

If you’re in need of some roof repairs, give us a call at 763-433-2269 or fill out our brief contact sheet on our website for a free estimate. We look forward to hearing from you!

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