6 Common Roofing Mistakes Made By Roofers

Roofing is expensive, and it’s recommended you have the work done by an expert. Unfortunately, some homeowners try to cut costs by hiring the cheapest roofers in their area. What they don’t realize is the cheap technicians are inexperienced and often make plenty of costly roofing mistakes such as:

Mismatching the roofing shingles

This is a common mistake made by new roofing technicians, and it comes about as a result of the contractor using multiple dealers and purchasing the supplies from more than one supplier. The result is your roof having an ugly, disorganized look.

To avoid this, you should hire an experienced professional that you are sure has a wide network of suppliers and has different sources to get shingles of the same color hence giving your home a beautiful, uniform look.

Using the wrong nails

If installing roofing systems that require you to use nails to secure them to the roof deck, you need to ensure your roofing contractor is using the right nails to achieve ideal results. Unfortunately, many inexperienced professionals use the wrong nails resulting in damage to the roofing materials.

In most cases, insurance companies refuse to pay the claim when they notice you used the wrong type of nails, which ends up being too expensive on your side.

Some of the common mistakes new contractors make include:

  • Using nails without barbed shanks
  • Using nail heads that are too small
  • Failing to use enough nails
  • Driving nails above the self-sealing strip
  • Driving nails into knotholes or gaps in the roof deck

To ensure your contractor doesn’t make these mistakes, hire only the most experienced.

Improper installation of underlayment

The roofing underlayment is a layer of waterproofed or water-resistant material installed directly onto the roofing deck. Contractors install the underlayment under all the roofing materials as an additional layer of protection against severe weather.

There are three main types of roofing underlayment contractors can install:

  • Rubberized asphalt
  • Asphalt-saturated felt
  • Non-bitumen synthetic underlayment also popularly known as synthetic underlayment.

Each of these materials has its pros and cons. For example, asphalt-saturated felt, and synthetic underlayment are both water-resistant, while rubberized asphalt is waterproof.

Installing layers of shingles

Installing a new layer of shingles on top of the old one is a debate that has been going on since time immemorial. Some municipalities allow contractors to install only one layer on top of the old one while others don’t allow it.

When you hire the wrong contractor, they might install multiple layers of shingles, which not only puts you on the wrong side of the law, but it also significantly affects the integrity of your house as the additional layer puts a lot of weight on your building.

When the contractor puts on a new layer, it means they don’t tear off the old roofing system and thoroughly inspect the roof deck for gaps, weaknesses, and other issues.

While you save money by letting the contractor install a new roofing material on top of the old one, you should note it causes more harm than good. If you don’t want to remove the old shingles, do this only on commercial roofing systems, and the contractor should do this per the local and state laws.

Failing to install or reusing the drip edge flashing

The drip edge flashing has plenty of benefits that include:

  • It prevents wind-driven rain from accessing the edge of the roof.
  • It stops insects from entering the attic.
  • It provides a surface for water to drip, which prevents saturation and decay of the deck or fascia board.
  • It supports and keeps shingles from sagging or breaking.

For a properly functioning roof, ensure the contractor replaces the drip edge flashing when repairing the roof. If the roof repair Riverside CT fails to do this, you risk causing extensive damage to your roof such that you have to replace it, which is expensive.

Creating the wrong roof slope

An improper roof slope happens when the contractor uses the wrong materials. When the contractor fails to create the right slope, he puts your house at the risk of getting water damaged. Sometimes the roof is affected, and you have to replace it.

For peace of mind, ensure you work with experienced contractors that understand how to work with the different materials.

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