When you see black streaks or moss growing on your roof, your first instinct might be to grab a pressure washer and blast it away. It seems fast and effective, right? However, using high pressure on your roof is one of the most expensive mistakes a homeowner in the Treasure Valley can make.
At Clean My Roofs, we want to help you understand the science behind roof cleaning. Here is why soft washing is the superior choice for your home’s longevity.
The Hidden Danger of High-Pressure Washing
Standard pressure washers use immense force to strip away dirt. While this works great on concrete driveways, it is devastating for asphalt shingles. Shingles are covered in small stone granules that protect the asphalt from UV rays.
When you hit those shingles with high pressure, you literally blast the granules off. This thins out your roof, leads to premature aging, and can even void your manufacturer’s warranty. In short, a “cheap” pressure wash could cost you a new roof much sooner than expected.
What Exactly is Soft Washing?
Soft washing is a cleaning method that uses low-pressure water combined with specialized, eco-friendly cleaning solutions. Think of it like a professional pest control or a deep-cleaning treatment for your roof.
Instead of relying on brute force, the cleaning solution does the heavy lifting. it kills the algae, moss, and lichen at the root. The water pressure used is no stronger than a typical garden hose, ensuring your shingles remain completely intact.
Three Reasons to Choose Soft Washing
1. Long-Lasting Results: Pressure washing only removes the surface layer of the moss or algae. Soft washing kills the biological growth entirely. This means your roof stays cleaner for a much longer period because the spores are not left behind to regrow.
2. Protects Your Roof Warranty Most major shingle manufacturers specifically state that high-pressure washing will void their warranty. Soft washing is the only method recommended by the Asphalt Roofing Manufacturers Association (ARMA).
3. Safety for Your Home High-pressure water can easily find its way under your shingles or into your attic, causing hidden water damage and mold growth. Soft washing is a gentle process that keeps the water on the surface where it belongs.
The Bottom Line
If you want to boost your curb appeal without risking the structural integrity of your home, soft washing is the only way to go. It is safer, more effective, and saves you money by extending the life of your roof.
If those black streaks are bothering you, give us a call. We provide professional soft washing services across Boise, Meridian, and Nampa to keep your home looking its best.
Frequently Asked Questions: Roof Cleaning in Idaho
Is soft washing safe for all types of roofs? Yes, soft washing is the safest cleaning method for almost every roofing material, including asphalt shingles, metal roofs, and clay tiles. Because it uses low pressure combined with specialized cleaning solutions, it removes moss and algae without causing any structural damage or loosening shingles.
How long does a soft wash roof treatment last? A professional soft wash usually keeps your roof clean for 2 to 5 years. Unlike pressure washing, which only removes surface dirt, soft washing kills the algae and moss at the root. This biological treatment prevents the regrowth of black streaks for a much longer period.
Will the cleaning chemicals harm my plants or landscaping? A professional soft wash service takes great care to protect your greenery. We pre-wet all plants and grass around your home and use eco-friendly, biodegradable solutions that are diluted to a safe level. Once the process is finished, we rinse everything down to ensure your landscaping remains healthy.
Does insurance or a roof warranty cover pressure washing damage? Most roof manufacturers specifically warn against high-pressure washing. In fact, using a pressure washer can void your roof’s warranty entirely. Insurance companies also view high-pressure cleaning as “improper maintenance,” so they may not cover any leaks or damage caused by the process.
How do I know if my roof needs a soft wash? If you see dark black streaks (algae), green moss, or white circular patches (lichen) on your shingles, your roof needs a soft wash. These organisms feed on the limestone in your shingles and will slowly degrade your roof if they are not treated and removed.
Ready To Schedule A Free Inspection?
CALL HERRE AT: (877) 565-4094
950 W Bannock St, Suite 1100, Boise, ID 83702