Southern Pines
Southern Pines

Why Is My Roof Sagging?

A sagging roof is always a cause for concern. That’s because it’s usually a sign that parts of your roofing system’s underlying structure have been damaged. If you notice that your roofline is starting to sag or curve downwards, you should have a local roofer inspect it as soon as possible. 

Roof Line Sagging

What are the usual culprits behind a sagging roofline? Common causes include damaged roof rafters, excess weight load and roof overlays. 

Damaged Roof Rafters and Trusses 

In most cases, damaged rafters and trusses (which provide structural support for your roofing system) are the main reason why sections of your roof are sagging. 

What Are the Factors That Can Damage Your Roof Rafters and Trusses? 

  • Water intrusion – Roof rafters and trusses are usually made of wood, which is vulnerable to moisture damage. That’s why it’s important that leaks are fixed as soon as possible. 
  • Installation and design errors – No matter how durable your roof is, it won’t last long if its design isn’t suited to the local climate. For instance, if you live in North Carolina, your roof should be able to handle the excess weight load from snow. If not, it’s only a matter of time until your roof’s undersized rafters buckle under the weight load of accumulated snow. 

Here’s a tip: to make sure your roof’s design is suited to the local climate, it’s best to hire a local roofing company. Since these pros are more familiar with the local climate, they can make better recommendations. 

Excess Weight Load and Roof Overlays 

An overlay roof has an extra layer of shingles added on top of the original layer. Some homeowners choose a roof overlay over a roof replacement because it’s less expensive. But adding an extra layer of shingles to your old roof increases the weight load it has to support and increases the risk of structural overload. 

American Roofing & Construction, LLC, a company with 15 years of experience, offers a wide range of professional roofing services, including roof repair and replacement services. To request a free estimate, call us at (910) 964-0114 or (919) 917-2118. Or you can fill out this form.

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