Granule Loss: How to Tell If Your Roof in New Orleans Is Losing Its Protective Layer

One key aspect of roof health that’s often overlooked is the integrity of its granular layer. These tiny mineral particles embedded in shingles play an important role in protecting your home from the elements.

Here’s how to identify granule loss and understand its effects on your New Orleans residence.

Causes of Granule Loss and How It Will Affect the Roof

There are several factors that contribute to accelerated granule loss in New Orleans. Some of them include:

• Intense UV exposure weakens granule-to-shingle bonds, causing premature shedding.
• High humidity encourages algae growth, which dislodges granules.
• Tropical storms strip particles, exposing the roof to damage.
• Age-related wear accelerates roof deterioration.

Signs of Granule Loss

Early identification can prevent severe roofing issues. Here are key indicators to watch for:

Accumulation in Gutters 

Regularly inspect your gutters for granule buildup. An excessive amount will resemble coarse, dark sand. This indicates significant shedding and requires immediate attention. Also, check the corners and joints of the gutters, as granules tend to accumulate in these areas.

Bare Spots on Shingles

Examine your roof for patches where the underlying asphalt is exposed. These areas may appear darker or smoother than the surrounding shingles. Bare spots are a clear sign of granule loss and can lead to increased vulnerability to UV rays, water penetration, and further deterioration.

Inconsistent Shingle Texture

Gently run your hand over accessible shingles. A normal shingle should feel rough and gritty, like sandpaper. If you encounter areas that are overly smooth, this suggests granule loss. Pay particular attention to the shingle edges and areas around roof features, such as chimneys or vents, as these spots are more prone to wear.

Granules around the Base of Downspouts

After heavy rains, inspect the ground near the exits of your downspouts for accumulated granules. Their presence here signals that they have been washed off the roof and carried through the gutter system. This is a strong indicator of extensive granule loss and potential roof damage.

Discoloration and Streaking

Look for streaky patterns or discoloration on your roof. These can manifest as lighter or darker streaks compared to the rest of the roof surface. Discoloration often points to areas where granules have worn away, exposing the asphalt beneath. 

Bald Spots on Shingles

Spotting bald spots on your roof from the ground is a serious sign of granule loss. These areas will look like black patches, as the protective layer has been entirely worn off, exposing the asphalt layer directly to the elements. If bald spots are observed, immediate professional inspection and repairs are recommended.

Hail Damage

After a hailstorm, check for dark spots on your shingles. Hail impacts can knock off granules, leaving behind pockmarked areas that are prone to leaks. Even if there are no immediate signs of leaks, hail damage can compromise the integrity of your shingles, making them more prone to future weather events.

Final Thoughts

Remember, taking care of small issues now can save you from big, expensive problems later. Take proactive steps like regular inspections, gutter maintenance, trimming branches, and prompt repairs to extend your roof's lifespan and maintain its protective integrity.

Protect your New Orleans home with Roof Squad's durable roof repairs and replacements. Contact us today for reliable residential roofing services that stand the test of time.