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What Causes Sagging A Roof?

What Causes Sagging A Roof?

What Causes a Sagging Roof

Sagging shingles aren’t just unappealing, but may be an indication of possible structural issues to your home. If you don’t have any experience with roof inspections, it is best to consult a professional that knows roofing Colorado Springs. These professionals are far more knowledgeable; they have the expertise to show you your best options.

However, even if there are great roofing professionals in your area, you can run to for help, it is still a wise move to know what could possibly cause your roof to sag. Educating yourself will help you determine whether or not you’re getting the right service from your roofing contractors. Let’s take a look at some of these common causes.

 

  1. Quality of Building Material

The quality of materials used to build your roof play a big role when it comes to strength and life expectancy. For example, asphalt shingles may be more affordable than other materials, but they tend to wear out quicker than roofing materials such as metal or tile. In fact, most asphalt shingles only last for about two decades. Nails, beams and other elements must be taken into consideration as well, because they contribute to your roof’s strength. Faulty roof framing material can cause your roof to sag.

  1. Too Much Weight

Ceiling joists and rafters can lose their strength over time. Your roof may sag when these materials can no longer support the weight, which can come from heavy snow, water leaking into the framing structure, and natural movement caused by expansion and contraction from extreme temperature changes.

To prevent a sagging roof, it is important to give your roof adequate maintenance. You can’t do this properly, though, without teaming up with a professional.

  1. Structural Defects

Ceiling joists and rafters are typically built in a parallel pattern. This placement provides optimum support to the ceiling and walls. When they are not constructed in such manner, the roof itself may push the walls outwards, causing it to sag.

Note, though, that perpendicular ceiling joists is an acceptable practice in home building. This is especially evident in flat ceilings. But this does not mean that sagging is inevitable. Sagging problems can still be primarily blamed on poor craftsmanship. So, choose your contractors wisely.

  1. Age of Roof and Weather Conditions

Different weather conditions can wreak havoc on your roof as well. Moisture, for example, can settle in different parts of your roof. Over time, the moisture cause these parts to deteriorate.

The UV rays from the sun can weaken the surface of your roof in the long term. This can cause your shingles to crack, which will eventually let rainwater and snow to seep in through and find their way to the rafters. Once moisture reaches the rafters and sets in for some time, the rafters will begin to rot and weaken. When that happens, sagging is expected.

The age of your building materials can also cause sagging roof. They won’t last forever, no matter how high their quality standard is. So, if you bought an old house, roof inspection must be included in your maintenance list.

What to do?

If a sag in your roof is evident, call a contractor right away. He can tell you what causes your roof to sag and the possible ways to solve it. Apart from being a danger and eyesore, this can lower the value of your home. Once you decide to sell it in the future, you may not get the selling price you want.

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