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Cities in Miami Dade County: Aladdin City, Alameda, Allapattah, Andover, Andover Golf Estates, Andover Lakes Estates, Atlantic Heights, Aventura, Bal Harbour, Bay Harbor Islands, Bay Heights, Bayshore, Biscayne Gardens, Biscayne Park, Brickell Hammock, Brownsville, Buena Vista, Bunche Park, Carol City, Coconut Grove, Coopertown, Coral Gables, Coral Terrace, Coral Way Village, Country Club, Country Walk, Cutler, Cutler Bay, Cutler Ridge, Deering Bay, Doral, East Perrine, Eastern Shores, Edison Center, El Portal, Fisher Island, Flagami, Florida City, Fortymile Bend, Fountainebleau, Franjo, Frog City, Gables by the Sea, Gables Estates, Gladeview, Glenvar Heights, Glenwood Heights, Golden Beach, Golden Glades, Goulds, Green-Mar Acres, Hawley Heights, Hialeah, Hialeah Estates, Hialeah Gardens, Highland Lakes, Homestead, , Howard, Indian Creek Village, Inlikita, Islandia, Isle of Normandy, Ives Estates, Kendale Lakes, Kendall, Key Biscayne, Keystone Islands, Kings Bay, Lake Lucerne, Lakes by the Bay, Leisure City, Lemon City, Liberty Square, Lindgren, Lindgren Acres, Little River, Ludlam, Mart Law Seminole Village, Medley, Miami, Miami Beach, Miami Gardens, Miami Lakes, Miami Shores, Miami Springs, Mitchell Lake Estates, Modello, Naranja, Norland, Normandy Shores, North Bay Village, North Miami, North Miami Beach, Ocean View Heights, Ojus, Olympia Heights,Opa-locka, Palm Springs Estates, Palmetto Bay, Palmetto Estates, Pennsuco, Perrine, Peters, Pinecrest, , Pinewood, Pinewood Park, Princeton, Redland, Richmond Heights, Rockdale, Saga Bay, San Souci Estates, Scott Lake, Shenandoah, Silver Bluff Estates, Silver Palm, South Allapattah, South Bay Estates, South Miami, South Miami Heights, Sunny Isles Beach, Sunrise Harbor, Sunset, Sunset Corners, Sun-Tan Village, Surfside, Sweetwater, , Tamiami, The Crossings,The Hammocks, The Pines, Three Lakes, Town Park Estates, University Park, Vanderbilt Park, Virginia Gardens, West Little River, West Miami,
West Perrine, Westchester, Westview, Westwood Lake

Roof Cleaning Myths Debunked

Thereís a lot of false information about roof cleaning floating around right now, and It's to be expected because this is still a relatively new industry and most homeowners still arenít that familiar with it.  So to avoid a lot of the confusion we've included this page to discuss many of the myths and misinformation regarding roof cleaning.

Myth #1:  Black roof stains are caused by tar, acid, dirt, or jet fuel. Roof stains are caused by a hardy type of blue-green algae called Gloeocapsa Magma, as well as varies strains of mold,  bacteria and fungus.  All it takes is for one spore to land on your shingles or tile and take hold and then itís off to the races.  The algae, mold, bacteria and fungus will continue to multiply and spread, its growth fed by the limestone filler in the shingles, the capsheet and tile grout,  as well as by the debris & moisture in the roof valleys.

Myth #2:  Algae on your roof is a signal that itís time for a new roof. Simply the presence of algae stains does not necessarily equate with needing a new roof.  In most cases all a roof needs is a good professional cleaning to restore its original look and health.  You might notice that roofers donít like roof cleaners very much, and this is because we keep them honest.  If a roofer tells you that you need a whole new roof just because of some algae staining tell him to take a hike and give South Florida SealCoat a call at 954.237.9864. Youíll be saving your roof AND a huge amount of money.

Myth #3:  Roof cleaning will have no real impact on a homeís curb appeal. Most people are shocked when they see how much better their home looks after a roof cleaning.  One of the reasons for this is because most homeowners have gotten so used to seeing the stains on their roof that theyíve completely forgotten how good it once looked.  You would be amazed how many times after a roof cleaning a house that had been on the market for months with virtually no activity, suddenly within days of the cleaning, the home owners and realtors start getting serious offers.  No matter how beautiful your landscaping, no matter how clean your windows, no matter how precise the painted trim, if your roof is dirty and covered in filthy stains, a dirty roof or a poorly maintained driveway will ruin your curb appeal, if not in your eyes then in the eyes of your family, friends, neighbors, and potential buyers.

Myth #4:  Roof algae, mold, bacteria and fungus are only a cosmetic issues so it can be ignored for now. If not cleaned off and kept at bay, the infestation on your roof has the ability to shave years off the life of your shingle or tile roof.  Itís important to remember the roof algae, mold, bacteria and fungus are living organisms that need food to continue to grow.  Guess what the favorite food of roof algae is?  Limestone !!  Shingle and Capsheet makers now use limestone filler in the manufacturing process which the algae just loves to chew on. This will result in premature loss of shingle granules and general deterioration.  Shingle granules are vital to the health of your roof and home because they work to deflect UV rays and heat away from your roof surface.

On tile roofs part of the attachment system is a limestone based grout or mortar. As the algae, mold, bacteria and fungus eat the limestone, the grout or mortar  WILL deteriorate, crack, crumble and fall apart. Also, with either roofing system, if the reflective granules are gone or covered with algae (Which is dark and absorbs heat), you will have a hotter roof, which leads to heat build-up in the attic, which amounts to higher energy costs, especially on those steamy summer days when the AC is working overtime to try to keep up! Youíll also have to replace the roof a lot sooner, and with the average new roof these days topping $10,000 - $30,000.  We strongly encourage you to seriously consider keeping your roof clean and functional for a fraction of the cost.

Myth #5:  The best way to go about removing roof algae is with high pressure. FALSE..!!!  Especially for shingle roofs, next to positioning your home in the path of a tornado or hurricane, power washing your roof to remove algae stains is the worst thing you could possibly do to your roof.  Just because your concrete, deck, and brick siding were pressure cleaned doesn't mean you should do it to your shingles.  Most people have no idea how flimsy and fragile shingles are, they don't realize how many thousand or tens of thousands of shingle granules will pop right off with the use of a pressure washer. Even a low pressure (1200 psi) pressure washer applies approximately 33% MORE pressure (psi - pounds per square inch) than a Category 5 Hurricane. (A Category 5 has wind velocity of 137 - 157 mph which equals 837 psi minimum.) Now, most pressure washers use 3000+ psi, and here in Florida even tropical storms (between 208-389 psi) cause roof damage to both shingle AND tile roofs. So image what a pressure cleaner with even with 2000 psi does to your roof.

Some additional information that you should be aware of, use of a pressure washer on shingle roofs WILL VOID any manufacturer's warrantee on your shingles.  Also, many insurance companies will void or refuse coverage on roof damage if evidence of damage is caused by pressure cleaning.

Pressure cleaning on certain types of tile roofs is possible, however ANY pre-existing damage, or roofing system weakness, can be dramatically worsened with even the lowest available pressure settings available on a pressure washer. For these reasons, Safe Roof Cleaning is the preferred and recommended process for cleaning both shingle and tile roofs.

Myth #6:  Chemical roof cleaning will damage shingles, gutters, and landscaping. If you're using the right chemicals with the proper procedures and rinsing techniques then you have nothing to fear. The Safe Roof Cleaning process we use is the approved method by the Roof Cleaning Institute of America (RCIA). Companies using this approved process have cleaned 1,000's & 1,000s of roofs all across America. In addition, we take great care to protect our client's property through rinsing and tarping as required. 

Our Safe Roof Cleaning process also completely complies with the ARMA (the Asphalt Roofing Manufacturers Association) and GAF (North America's largest shingle manufacturer) shingle cleaning guidelines, which both recommend that shingles be cleaned with non-pressure, chemical methods.

Myth #7:  Itís only necessary to clean the sections of the roof that have visible stains. Just because you canít see algae stains on certain parts of the roof doesnít mean that itís not already there and beginning to develop.  Keep in mind that in its early stages roof algae is completely invisible to the naked eye.  Itís not until the more advanced stages that it actually turns black and becomes visible.  So if you can see algae on even one section of your roof that means that itís probably already taking hold on your entire roof.  I always try to explain this to my customers but occasionally I still get people who donít believe it and demand that I only do a spot-clean to remove visible stains.  I reluctantly oblige their demands but am never surprised when I drive by a year later to see the untreated areas now completely covered in black algae!  Then they usually call me back with the standard, ďYou were right.  Can you please come back and clean the whole roof as you originally recommended?Ē

Myth #8:  Ambient temperature has no effect on the effectiveness of a roof algae cleaner. If you're using the correct chemical mixture then it will be most effective when the temperature is above 50 degrees.  Below 50 and the power of the solution drops off rapidly.  If you absolutely must have the roof cleaned on a day when it's right around 50 or a little bit lower we will check the roof's surface temperature to determine if your roof can be successfully cleaned.

Myth #9:  Roof cleaning is an easy DIY project that any homeowner can do in an afternoon. There's nothing easy or quick about roof cleaning, whether using a pressure cleaner or a cleaning solution.  In fact, the two greatest homeowner injuries occur from falling off of roofs or ladders. If a homeowner approach's THIS type of a DYI project with a cavalier attitude they run a good chance of injuring themselves.  Unless you're one of these guys that absolutely has to do every home improvement job on his own we highly recommend that you just find a qualified, non-pressure roof cleaning company in your area.

Myth #10:  Roof cleaning companies tend to overprice their work and take advantage of consumers. I guess Iím always a little disappointed when I tell someone that a Safe Roof Cleaning will typically cost $250-$650 to clean their roof and they give me attitude and insinuate that that they are somehow being ripped off.

Many times when people hear that word ďcleaningĒ, they think it should be cheap like carpet cleaning or house cleaning. Think about it.  Does a carpet cleaner spend three-four hours at your house sweating his butt off and getting sunburned?  No.  Does a carpet cleaner run the possibility of paralysis or death by simply doing his job?  No.  Does a carpet cleaner spend $100 on chemicals for every single job?  No.  Can a carpet cleaner offer you a guarantee that the treated surface will stay clean for years to come?  No.  Thereís so much more that goes into a professional roof cleaning than for any other kind of residential cleaning service that itís really not even fair to lump them into the same category..

Actually I think that most roof cleaning companies come in too low with their prices when you consider all the variables involved. I also challenge you to name me one other home improvement service that can instantly transform a homeís curb appeal in a single afternoon, many times for under $500.  Canít be done.  And when you consider that it not only makes your home more beautiful but also extends the life of your expensive roof by a matter of years, I think that having a roof cleaned is one of the smartest and most cost-effective things that a homeowner could possibly do to protect their biggest investment.

Hopefully weíve helped to clear the air and helped to educate you about the myths that surround the roof cleaning industry we hope youíll take these words of advice to heart because they represent the straightest talk about this topic that youíre going to find.  We are not here to just because we're trying to sell a product,  but also to address the myths surrounding roof cleaning and lastly, because as a DYI project this is a potentially dangerous one where homeowners should approach with caution. 

So, you can buy into one of the myths and be disappointed with the results or you can have your roof cleaned properly by a professional and be satisfied with your amazingly clean algae free roof.
(954) 237-9864