Why are my roof shingles shedding?

Relentless rainstorms over the spring and summer months can also cause the granular protective coating to erode and may cause the roof to begin shedding granules. Flying debris, low hanging tree branches, and algae and moss build up can all contribute to granular loss on your shingle roof.

What causes shingles to delaminate?

Delamination can occur over time due to your roof’s exposure to UV rays or from improper installation of the original roof. If moisture gets between the membrane of the roof and the shingles, this can also cause delamination. This delamination can cause both water and wind damage to the existing roof.

What is the life expectancy of asphalt shingles?

Vented properly and installed correctly, you should get around 80-85\% of the life span out of an asphalt roof. That means you can expect to get about 20-22 years out of your 3-tab shingle roof and 25-28 years out of your dimensional shingles.

How do you make asphalt shingles last longer?

5 Ways to Help Your Roof Last Longer

1. Avoid Power-Washing Shingles. Concentrated spray can loosen the granules from the products’ top coating—and resulting damage might not be covered by the warranty.
2. Check the Ventilation.
3. Clean Gutters Regularly.
4. Insulate Attics and Cathedral Ceilings Properly.
5. Fortify the Roof.

Are shingles supposed to be loose?

Loose or Lifting Shingles When you look at your roof, all the shingles should be smooth and flat in order to keep moisture out of your home. One surefire sign that your roof has some damage is loose or lifting shingles.

Why do shingles have grit on them?

Why Do Roof Shingles Have Granules? Mineral granules were added to the design of shingles because they help protect your roof from excessive sun exposure, which can eventually lead to damage and hasten the need for a roof replacement.

What is the meaning of delamination?

: separation into constituent layers.

What is delamination of a roof?

Delamination: When the Membrane and Insulation Separate Delaminations commonly affect single-ply and fully adhered roofs. Like blisters, delamination can come from improper installation in inclement weather. If the environment is humid, moisture can get trapped between the membrane and insulation.

What color shingles last the longest?

Both light-colored and dark-colored shingles can last longer if given the necessary maintenance. The only thing tested and proven about light-colored shingles is that they help us keep the indoor temperature cooler in the hot summer season.

Is it OK to put new shingles over old?

The answer is yes, you can lay new roof shingles over old ones. You can’t do it with wood or slate, for example, and you should never mix materials, such as laying asphalt shingles over cedar shakes. Also, the old roofing has to be in pretty good condition.

What is the longest lasting shingle?

What’s the Longest Lasting Roof Shingle? Tile and slate shingles last longer than asphalt, but at a much higher price. High quality asphalt shingles last up to 50 years. Tile and slate can last 100 with proper care, but also require a reinforced roof structure because of their added weight.

Are Oakridge or Duration shingles better?

The Oakridge series meets 110 mph wind resistance standards with a standard 4 nail application, but the Duration series can withstand winds of 130 mph. SureNail Technology – This technology is the most important difference between a good shingle and a great shingle.

What happens to asphalt shingles in the Sun?

These UV rays will rapidly disintegrate asphalt and the thin fiberglass mat. Also, as shingles age, it’s normal for them to become brittle and crack as the oils in the asphalt are slowly released over time pulled to the surface by the heat of the sun.

How do you extend the life of asphalt shingles?

There are quite a few things you can do to extend the life of asphalt shingles. The first thing is to increase the roof pitch. Steeper roofs shed water faster and the same asphalt shingle on a low-slope roof wears out faster than on a steep roof. Keep roofs clean and don’t allow tree branches or anything else to rub or scrape across the roof.

Do asphalt shingles have thermal shock?

Asphalt shingles can be victims of thermal shock countless times during their lifespan. On a blisteringly hot summer day, the temperature of asphalt shingles can approach 160 degrees F. Imagine if a quick thunderstorm flares up and cool rain drenches the roof, lowering the temperature of the shingles by up to 100 degrees in seconds.

Why are my shingles losing their color?

If the asphalt is poor quality, if there’s too much powdered stone filler in the shingles or the manufacturing process is not great, the granules will eventually come off the shingles much faster and in greater amounts than is normal. It’s normal for shingles to lose the colored ceramic granules.