Algae destroys roofing material from within
Gloeocapsa magma consumes limestone filler in shingles, strips protective granules from tiles, and creates dark streaks that absorb heat and accelerate material degradation year after year.
The Gold Standard, Every Time
Roof Cleaning
Manufacturer-aligned soft wash for barrel tile, asphalt shingle, metal, and flat roofs — extending roof life 10–15 years while eliminating the algae staining that triggers insurance issues across Northeast Florida.
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Why Roof Cleaning Matters
The maintenance step that extends your roof's life by a decade or more
Your roof is the single most expensive surface on your property, and in Northeast Florida it faces relentless assault from organisms that silently shorten its lifespan. Gloeocapsa magma — the cyanobacterium responsible for the dark black streaks seen on roofs throughout Duval, St. Johns, and Nassau counties — feeds on the limestone filler in roofing materials, gradually breaking down the protective granules on shingles and eroding the integrity of tile and metal coatings. The Asphalt Roofing Manufacturers Association (ARMA) confirms that algae colonization accelerates granule loss and reduces roof reflectivity, increasing energy costs and hastening the need for replacement.
Beyond structural degradation, a stained roof creates real financial consequences. Insurance companies across Florida are increasingly flagging algae-stained roofs during inspections and either requiring cleaning within 30 days, raising premiums, or non-renewing policies entirely. During home sales, an algae-covered roof triggers buyer objections, appraisal deductions, and inspection findings that delay or derail closings. The Roof Cleaning Institute of America (RCIA) recommends professional soft-wash cleaning as the only approved method for maintaining roofing materials without voiding manufacturer warranties.
Professional roof cleaning from First Coast Property Experts follows GAF warranty guidelines and manufacturer-specified protocols for every roofing type. Our low-pressure soft-wash method kills algae, mold, lichen, and moss at the root while preserving granules, tile glaze, and metal finishes — results that add 10 to 15 years of effective life to your existing roof system.
Florida insurers are flagging dirty roofs
An increasing number of Florida homeowners' insurance carriers are requiring roof cleaning or issuing non-renewal notices when aerial or in-person inspections reveal significant algae staining.
Soft wash is the only warranty-safe method
Pressure washing a roof voids virtually every manufacturer warranty. GAF, Boral, Eagle, and CertainTeed all specify low-pressure cleaning as the only approved maintenance method for their roofing products.
What's Included
Complete roof cleaning coverage for every roofing type
Every roof cleaning service is customized to the specific material, pitch, and condition of your roof, with solutions calibrated for the growth type present.
Barrel Tile
S-tile, flat tile, and barrel tile roofs common throughout Northeast Florida luxury homes are cleaned with low-pressure application that removes algae, mold, and dark staining without cracking tiles or dislodging mortar.
Asphalt Shingle
Three-tab and architectural shingles receive a manufacturer-aligned soft wash that eliminates Gloeocapsa magma and algae colonies without stripping the protective granule layer that extends shingle life.
Metal Roof
Standing seam, corrugated, and stone-coated metal roofing is treated with pH-balanced solutions that remove oxidation, algae film, and salt-air corrosion without damaging factory coatings or paint finishes.
Flat & TPO
Low-slope and flat roof systems including TPO, modified bitumen, and built-up roofing are carefully cleaned to remove ponding stains, algae growth, and debris that compromise membrane integrity and drainage.
Gutter Brightening
Exterior gutter faces are cleaned of tiger striping, oxidation buildup, and algae discoloration to restore the clean, uniform appearance of the entire roofline drainage system.
Soffit & Fascia
Overhead soffit panels and fascia boards are cleaned of mold, dirt, and cobweb accumulation that collects in the sheltered areas beneath the roof overhang where moisture lingers longest.
Algae Treatment
A specialized biocide application targets Gloeocapsa magma, green algae, and cyanobacteria colonies at the cellular level, killing the root structure so regrowth is delayed by 12 to 24 months.
Lichen Removal
Lichen colonies that have bonded to tile, shingle, or metal surfaces are treated with targeted solutions that dissolve the organism's holdfast without mechanical scraping that damages roofing materials.
Our Work
The gold standard in action
Our Process
How a professional roof cleaning works
A methodical four-step process that delivers warranty-safe, insurance-ready results without ever putting your roofing material at risk.
Roof Inspection
We assess the roofing material, pitch, current condition, type and severity of organic growth, and identify any vulnerable areas like cracked tiles, lifted flashing, or exposed nail heads before work begins.
Custom Solution Mix
A cleaning solution is mixed specifically for your roofing type and the growth present. Barrel tile, shingle, metal, and flat roofs each receive different concentrations and surfactant blends calibrated for optimal results.
Low-Pressure Application
The solution is applied at low pressure from the roof peak downward, following the natural flow pattern of the roofing material. Dwell time allows the biocide to penetrate and kill organisms at the root before any rinsing.
Rinse & Debris Clear
A controlled low-pressure rinse removes dead organic matter and cleaning residue. Gutters are cleared of debris washed down during the process, and landscaping is post-rinsed to neutralize any overspray.
Ideal For
Properties that benefit most from roof cleaning
Roof cleaning is critical when appearance, insurance compliance, property value, and material longevity all depend on a clean, well-maintained roof system.
Barrel Tile Estates
Luxury homes with barrel tile roofing in Ponte Vedra, Nocatee, World Golf Village, and St. Augustine demand the care that only a low-pressure, manufacturer-aligned cleaning process can provide.
HOA Compliance
Planned communities with exterior maintenance standards require clean, uniform rooflines across every home. Professional roof cleaning keeps homeowners in compliance and avoids violation notices and fines.
Insurance Requirements
Florida insurers are increasingly requiring proof of roof maintenance. A professional roof cleaning produces before-and-after documentation that satisfies insurance inspections and supports policy renewals.
Pre-Sale Preparation
A clean roof eliminates one of the most visible objections buyers raise during walkthroughs and prevents costly inspection findings that reduce offers, delay closings, or require renegotiation.
Why First Coast Property Experts
Why homeowners trust us with their roof cleaning
A licensed, insured, family-owned team with manufacturer-aligned methods, written scopes, and a proven reputation across the First Coast.
Family-Owned Accountability
You work with a local, family-run company that lives and operates in the same First Coast market it serves. Communication stays direct, fast, and accountable.
One Team, Interior + Exterior
Roof cleaning, softwashing, window cleaning, gutter service, housekeeping, and specialty resets can be coordinated under one written scope instead of pieced together across vendors.
Manufacturer-Aligned Methods
GAF, Boral, Eagle, CertainTeed, and major metal roofing manufacturers all specify low-pressure cleaning. Our process follows those protocols exactly — protecting warranties and extending material life.
Luxury-Level Workmanship
Every roof cleaning is performed with the precision and care expected by homeowners in Nocatee, Ponte Vedra, Palencia, and St. Augustine's luxury communities.
Written Scope First
Pricing, coverage area, roofing type, and expectations are clarified in a written scope before work begins. No hidden fees, no surprises on completion day.
Insured — COI Available
For homeowners, property managers, and HOA boards who need documentation, a certificate of insurance can be provided on request before any technician steps on the property.
Before & After Documentation
Every roof cleaning includes photo documentation of the before and after condition — valuable for insurance records, HOA compliance files, and real estate listings.
5-Star Momentum
Consistent five-star reviews, a growing referral base, and verified trust credentials reflect the standard clients experience on every roof cleaning service.
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Reviews
What homeowners say about our roof cleaning
Real feedback from First Coast families who trust us with their roofs.
Featured Story
Meet the Logan family behind First Coast Property Experts
When Ponte Vedra Connection featured the Logan family, it highlighted what clients already knew — FCPE is a local, family-run company built on hands-on accountability and premium workmanship.
From roof cleaning to exterior softwashing, window care, and full-property maintenance programs, the same family-owned commitment that earned the feature drives every service we deliver across the First Coast.
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Gift Cards Available
Give the gift of a gold-standard clean
Surprise a homeowner, new neighbor, or loved one with a First Coast Property Experts gift card. Available in any amount and redeemable for any service we offer — from roof cleaning and softwashing to luxury housekeeping and paver restoration.
Order online and we'll email a digital copy or mail a physical card — directly to you or straight to whoever you're gifting.
FAQ
Roof cleaning questions, answered clearly
The answers homeowners ask most before scheduling a roof cleaning with First Coast Property Experts.
How often should I have my roof cleaned?
In Northeast Florida, most roofs benefit from professional cleaning every two to three years. Homes under heavy tree canopy, near bodies of water, or on north-facing slopes where moisture lingers may need cleaning every 12 to 18 months. A clean roof lasts significantly longer because algae, mold, and lichen are not actively degrading the roofing material between services.
Will roof cleaning void my warranty?
No — when done correctly. The key is the method. Pressure washing a roof will void virtually every manufacturer warranty because it strips protective granules from shingles and can crack tiles. Our low-pressure soft-wash method is the only approach recommended by GAF, Boral, Eagle, CertainTeed, and other major manufacturers for maintaining roofing materials without voiding warranty coverage.
What causes the black streaks on my roof?
The dark streaks commonly seen on roofs in Florida are caused by Gloeocapsa magma, a cyanobacterium that feeds on the limestone filler used in asphalt shingles and the calcium in tile roofing. It thrives in Florida's warm, humid climate and spreads via airborne spores. Once established, it continues to feed on your roofing material, accelerating degradation and reducing the reflective properties that keep your home cooler.
Is roof cleaning safe for barrel tile?
Yes, when performed with the correct method. Our low-pressure soft wash is specifically designed for barrel tile roofs. We never walk on barrel tile — all application is done from ladders, lift equipment, or adjacent surfaces. The cleaning solution is applied at pressures well below what could crack or dislodge tiles, and the biocide kills algae at the root without any mechanical scrubbing.
Can roof cleaning help with my insurance?
Yes. Florida insurance companies increasingly inspect roofs for algae staining and organic growth during policy renewals and new applications. A professional roof cleaning with before-and-after photo documentation can satisfy insurance requirements, prevent non-renewal notices, and in some cases support premium reductions by demonstrating proactive property maintenance.
Will you walk on my roof?
Our approach depends on the roofing material. For barrel tile and delicate surfaces, we avoid foot traffic entirely and apply all solutions from ladders or adjacent safe access points. For shingle and metal roofs where foot traffic is safe, our technicians use soft-soled shoes and move carefully along structural support lines to minimize any contact with the roofing surface.
How long does a roof cleaning take?
Most residential roof cleanings take between three and six hours depending on the size of the roof, the pitch, the roofing material, and the severity of the organic growth. Large tile roofs on multi-story homes or estates with complex rooflines may require a full day. We provide an estimated timeline during your consultation so you can plan accordingly.
Will the cleaning solution damage my landscaping?
No. All landscaping, shrubs, flowers, and grass around the home are pre-rinsed with water before the roof cleaning begins. During the service, a team member monitors ground-level areas and keeps vegetation wet to create a protective moisture barrier. After the cleaning is complete, all landscaping is thoroughly post-rinsed. Our biodegradable solutions break down rapidly and do not harm established plants.
What is the difference between roof cleaning and roof coating?
Roof cleaning removes organic growth, staining, and debris from the existing roofing material. Roof coating is a separate service that applies a protective sealant layer over the roofing surface. We focus on professional roof cleaning using manufacturer-aligned methods. If a coating is recommended for your roof type, we can advise on the best approach after the cleaning is complete.
Can you remove lichen from my roof?
Yes. Lichen is one of the most stubborn organisms found on Florida roofs because it bonds to the surface with a root-like structure called a holdfast. Our biocide solution penetrates and kills lichen at the root without mechanical scraping. In severe cases, the dead lichen may take one to two rain cycles to fully wash away after treatment, but the organism is killed during the service and will not regrow.
Do you clean gutters as part of the roof cleaning?
Gutter brightening (cleaning the exterior face of the gutters) is included when part of the service scope. Interior gutter cleaning — removing debris from inside the gutter trough — is a separate service that can be added to your roof cleaning scope. We always clear any debris washed into gutters during the roof cleaning process as part of standard service.
Can I bundle roof cleaning with other exterior services?
Yes. Many clients pair roof cleaning with softwashing, gutter cleaning, window cleaning, solar panel cleaning, or driveway cleaning for a comprehensive exterior reset under one coordinated scope. Bundling services is more efficient, reduces total cost, and ensures every exterior surface is addressed at the same time for a uniform, clean appearance.
Related Services
Other exterior services to consider
Pair a roof cleaning with these complementary services for a more complete exterior care program.
Get Started
Get Your Gold Standard Quote
Tell us about your roof type, the staining or growth you are seeing, and any insurance or HOA requirements you need to satisfy. We will respond with a clear written scope and transparent pricing — no pressure, no surprises.
First Coast Property Experts The Gold Standard, Every Time
Serving St. Johns County, Duval County, Nassau County, and communities across the First Coast with premium interior and exterior property care.