The Dangers of Moss & Algae Growth on Your Roof (And How to Prevent It!)
February 1, 2025
Why Moss and Algae Growth Is a Problem for Your Roof
Living in the Seattle-Tacoma area, we enjoy the lush greenery and fresh Pacific Northwest air. But with that beauty comes a challenge—our damp climate creates the perfect breeding ground for moss, algae, and lichen to grow on roofs.
Many homeowners don’t realize that moss and algae aren’t just cosmetic issues—they can cause serious damage to your roof if left untreated. Here’s why:
The Hidden Dangers of Moss and Algae
- Shingle Damage & Roof Deterioration – Moss holds moisture against your roof, causing shingles to lift, crack, and decay over time. This can lead to costly roof repairs or even premature replacement.
- Water Damage & Leaks – As moss grows, it traps water, which can seep under shingles and cause leaks. Over time, this moisture can rot your roof’s underlayment and even damage your attic or ceilings.
- Black Streaks & Curb Appeal Issues – Those dark streaks you see on many roofs? That’s a type of airborne algae called Gloeocapsa Magma, which spreads quickly and makes your home look older and neglected.
- Increased Energy Costs – A dirty roof absorbs more heat in the summer, making your home warmer and increasing cooling costs.
DIY Roof Cleaning: Why It’s Risky
Many homeowners try to clean their roofs using a pressure washer, but this can strip away protective layers, damage shingles, and void your roof warranty. Others use DIY treatments that can be ineffective or even worsen the problem.
How Precision Pro Wash Safely Removes Moss & Algae
At
Precision Pro Wash, we specialize in
soft washing,
a gentle yet powerful cleaning method that:
✔️ Uses
low pressure
to protect shingles
✔️ Eliminates moss, algae, and bacteria at the
root
✔️ Prevents regrowth for a
longer-lasting clean
Prevent Moss Growth with Regular Roof Maintenance
The best way to keep your roof clean? Schedule regular professional cleanings every 12-24 months. Keeping your roof free from debris, trimming overhanging branches, and ensuring proper drainage will also help prevent moss and algae buildup.
Don’t Wait Until It’s Too Late!
Protect your home and extend the life of your roof with Precision Pro Wash’s expert roof cleaning service. Contact us today for a free estimate!
