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The Effects of Ultraviolet Rays on an Unprotected Roof

Friday, November 9th, 2018 by Michael Fortenberry


Roofs are constantly exposed to ultraviolet (UV) rays the moment installation is completed. Fortunately, many of today’s roofing systems feature UV protection as a standard feature. This feature is something you should factor in when planning your next roof replacement. But what happens to an unprotected roof when exposed to UV rays?

The Effects of Ultraviolet Rays on an Unprotected Roof

The Effects of UV Rays

UV rays are part of the invisible parts of sunlight, which also include infrared rays and X-rays. Prolonged exposure can cause damage to roofs in several ways:

  • Accelerated Fading – UV rays have a bleaching effect, which causes fading on anything with pigments, including fibers, printed matter, and home components such as roofing and siding. This can have an aesthetic effect on certain roofing materials like slate and can cause fading on other roofing kinds.
  • Loose Granules – Asphalt shingles are built with three layers: the backing material, the asphalt layer, and the granules. Granules are there for many reasons, including impact protection, pigmentation, and protection against sunlight. However, the substance that helps keep it on the shingle mats can deteriorate over time, resulting in loose granules.
  • Premature Aging – Roofs that aren’t protected against UV rays tend to show signs of aging much earlier. Curling, cupping, and cracks manifest early, which requires an appointment with a residential roofing contractor to check if the roof can still be repaired.

Mitigating the Effects of UV Rays

You can’t really protect the roof from UV rays. As a matter of fact, it’s the other way around. But that doesn’t mean your roof has to suffer its effects, which we discussed. When planning a roof replacement, make it a point to include UV protection as part of your selection criteria.

Certain roofing systems -- like the GAF Lifetime Roofing System -- have reflective features that help mitigate UV rays' effects. Metal roofing systems likewise offer UV protection, as well as resilience against surface degradation. In addition to reducing UV rays' effects, it also helps improve your home’s energy efficiency by reflecting the heat from the sun caused by infrared rays.

To learn more about roofing with UV protection, or if you would like more information about our services as a residential roofing company, call Fortenberry Roofing Co. today at 1-806-385-6761. You can also fill out our contact form to schedule a free, no-obligation quote. We serve many areas in Littlefield, TX, and Hereford, TX.

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Fortenberry Roofing Co.
801 Hall Ave
Littlefield, TX 79339
1-806-230-4885
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