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Importance of Gutter Flashing – Is it Really Necessary to Install?

What do you think protects your house roof against natural calamities and storms? Prioritize protection of your house roof against damages. Constant exposure to wind and water weakens the roof. Have you heard of gutter flashing? Well, it is the process of making your roof durable against storms or wind. Gutters and flashing are easy to install beneath the roof. They bring the roofing and siding together. The side of the roof is the essential part that protects the house’s interior. Gutter flashing by the name can sound like a small work. However, it plays a pivotal role in identifying gutters shortly.

What’s a Gutter Flashing?

Installation of gutter flashing required both in and outside the roofline. This will prevent leakage of water inside the roofline and severe damage. These gutter flashings are generally available 10 feet long. However, you can easily fit it in any roof by adjusting it. The material used for manufacturing is aluminum or plastic. You already know that in terms of durability, aluminum is always better because plastics wear away after some time.

Nowadays, roofs are made durable with plastic. These gutter flashings are available widely in markets because of their requirement in most houses. They are perfect in terms of quality and result. Whenever you notice that water is leaking from the edge of the room, install flashing on gutters immediately. Automatically the seeping will decrease and make your room look perfect. There is no problem of a mess because the finishing becomes flawless.

Importance of Flashing behind Gutters

Continuous seeping of water under the roof of your building can damage the area. Gutter flashing is essential because it keeps your roof and gutter in good condition. It is recommended especially to people who reside in snowy or rainy areas. Even people in the windy area can use flashing.

Installing this gutter flashing just under the roof of your house acts as a preventive measure to stop water leakage. This will not allow your water to seep into the walls. The interior side of walls and sheetrock is protected from water. If the water continuously seeps into the wall, then fungus and mold will develop. This is a highly hazardous condition for your health.

There are two types of rain gutter flashings i.e.

  • Drip-edge flashing – Install this first before putting shingles
  • In-gutter flashing – This one can be installed after shingles

The gap between the gutter and shingles reduces. Flashing is such a process that pushes away all water from the roof into the gutter directly. You can install an aluminum or plastic gutter according to your convenience. Gutter flashing protects your roof sheathing and fascia from rotting. The sidings of the roof will not be stained as well.

Repairing Gutter Flash

You may have noticed that small holes or cracks develop on the side of your roof. Repair it by replacing the flashing. Do not be in a hurry to do something. Often repairing can become a disaster. Patch up the small holes with glue-type materials because flashings are plastic:

  • Make the area rough because you cannot put something on a plain surface. Sandpaper is useful in a work that can easily pull away from the top surface of the flashing.
  • Cut the material in the shape of the hole and attach it to that area.
  • You can use white cement to cover up the rest of the area.

Installation and repairing of flashing are simple. There is no need for complicated material or methods to go through.

Repair or Maintain – Which is Better?

Repair small holes, but if the damage is severe, you need to replace the whole flashing. Attaching small patches will not work effectively in this case. If you are an expert with roofing and its associated products, do it yourself; otherwise, hire someone professional. It is always better to get some help because it requires assistance to complete properly. There are numerous exterior companies and agencies available that work with gutter flashing.

The aluminum can deteriorate with natural calamities in exposure to sunlight and rain. Try to protect the roofing from storms and extreme heat. Rusting can damage it further. Shingles get affected, so keep loose nails in hand. The area around the flashing is covered with white cement that can wear out with time. Remove all the large chunks from outside. Replacement or maintenance completely depends upon the condition. Determine it properly before starting your work.


A roof inspection is the only way available by which you can notice the condition of gutter flashing. Apart from installation, maintenance of gutter flashing is also required. It is not a big deal to maintain gutter flashings because it protects your roof. However, with time, flashings can rust, or they can break. In this case, water will flow backward into the wall. If you have proper labor and time, then maintain it regularly. Besides regular maintenance, natural calamities and heavy cyclones can damage gutter flashings and tear them apart. Therefore, the determination of gutter flashings completely depends on the roof’s condition.

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