Roof Soft Washing in Shreveport: Removing Black Streaks Safely
Those dark streaks running down your roof are not dirt. In most cases they are algae, and in a warm, humid place like Shreveport they show up on plenty of roofs within a few years. Left alone, they make a home look older than it is and can shorten the life of your shingles. Here is what causes them and how a soft wash gets rid of them safely.
What Causes Black Streaks on a Roof
The streaks come from a type of algae that spreads by wind and thrives in moisture and shade. It feeds on materials in the shingles and tends to show first on the shadier slopes of the roof, then spreads outward. Overhanging trees, poor airflow and long stretches of damp weather all make it worse.
Why High Pressure Is the Wrong Tool
It is tempting to blast a roof with a pressure washer, but shingles are not built for it. High pressure can knock off the protective granules, push water under the shingles and shorten the roof’s life. It can also create warranty problems. Soft washing takes a different approach: a low-pressure rinse combined with a cleaning solution that kills the algae at the source instead of scrubbing it off.
What a Roof Soft Wash Involves
- An inspection of the roof and surrounding landscaping
- Protecting nearby plants and surfaces before any solution is applied
- Applying the cleaning solution at low pressure
- Giving the solution time to work on the algae
- A gentle rinse and a final walk-around
How to Keep the Streaks From Coming Back
No cleaning is permanent, because algae spores are always in the air. You can slow regrowth by trimming back branches that shade the roof and scheduling a soft wash again when streaks start to return. How often depends on shade, tree cover and the weather.
Soft Washing With Clean Sweep
Our team uses low-pressure soft washing to clean roofs, siding and other delicate exterior surfaces across Shreveport and Bossier City.
Curious what your roof needs? Request a free estimate or call Clean Sweep Outdoor Solutions at (318) 459-8707.