- Suzi
- 2 days ago
- 1 min read
1. It helps your roof live longer
Moss, algae, and lichen don’t just sit there looking ugly — they hold moisture against your shingles. Over time that can cause rot, cracking, and granule loss. Cleaning removes that buildup so your roof can do its job without slowly deteriorating.
2. It prevents expensive repairs
Those dark streaks you see are often caused by algae (commonly Gloeocapsa magma). Left alone, it can weaken materials and trap heat. Small issues turn into leaks, and leaks turn into “why is my ceiling bubbling?” moments. A cleaning is way cheaper than replacing a roof.
3. It boosts curb appeal
A stained roof can make your whole house look older. Cleaning it can instantly brighten the exterior — which is a big deal if you’re selling or just want your place to look sharp.
4. It can improve energy efficiency
Dark algae stains absorb heat. A cleaner, lighter roof reflects more sunlight, which can help keep your home cooler (especially in warmer climates)


