Preventing Mold and Algae Growth on Lake Norman Roofs
If you live in the Lake Norman area, you have probably noticed dark streaks or green patches on roofs around the neighborhood. These stains are often caused by algae, mold, or moss, and they are more than just an eyesore. Left untreated, they can shorten the life of your asphalt shingles and lead to costly repairs.
At Catawba Valley Roofing, we know the Lake Norman climate creates the perfect conditions for algae and moss growth. Here is what homeowners should know to protect their roofs.
Why Lake Norman Roofs Are Prone to Mold and Algae
Homes around Lake Norman deal with higher humidity, frequent shade from trees, and plenty of moisture after storms. These conditions make it easy for algae and moss to grow on asphalt shingles. North-facing roofs or shaded areas are especially vulnerable, since they tend to stay damp longer.
The Risks of Ignoring Algae and Moss
While roof algae may start as a cosmetic issue, it can quickly turn into a serious problem. Moss and mold trap moisture against your shingles, which can:
- Cause shingles to curl or lift
- Lead to leaks and water damage
- Shorten the overall lifespan of your roof
- Reduce curb appeal and property value
How to Prevent Roof Mold and Algae in Lake Norman
Fortunately, there are simple steps Lake Norman homeowners can take to prevent mold and algae from damaging their roofs:
Choose Algae-Resistant Shingles
CertainTeed Landmark® shingles are available with built-in algae resistance, making them an excellent choice for homes near the lake.
Schedule Regular Roof Inspections
A professional inspection can catch early signs of algae growth or shingle damage before it spreads.
Keep Gutters and Roof Surfaces Clear
Clean gutters and remove debris like leaves and pine needles so water does not sit on the roof.
Trim Nearby Trees
Cutting back branches allows more sunlight to reach the roof and reduces areas where moss can thrive.
Address Ventilation Issues
Proper attic ventilation helps reduce excess moisture that can contribute to mold growth.
Final Thought
Lake Norman’s beautiful setting comes with a humid climate that can be tough on your roof. By choosing quality materials, keeping up with maintenance, and scheduling regular inspections, you can prevent mold and algae from taking over your roof and protect your home for years to come.
Call Catawba Valley Roofing Today
Catawba Valley Roofing is proud to serve homeowners across Lake Norman, Hickory, and surrounding areas with professional asphalt roofing solutions. If you are seeing dark streaks, moss, or algae growth on your roof, our team can help.
Call us at (828) 962-0617 for a FREE Roof Inspection
Service Areas in North Carolina: Hickory, Conover, Newton, Maiden, Catawba, Claremont, Taylorsville, Valdese, Morganton, Lenoir, Lincolnton, Denver, Gastonia, Shelby, Huntersville, Cornelius, Mooresville, Statesville
Citations
CertainTeed Algae-Resistant Shingles: https://www.certainteed.com/residential-roofing/
Asphalt Roofing Manufacturers Association – Roof Algae Info: https://www.asphaltroofing.org/
EPA – Mold Prevention Guidance: https://www.epa.gov/mold
North Carolina Climate and Weather Data: https://climate.ncsu.edu/