If you are like every homeowner in Virginia, your home has been your largest investment. You searched for the right school district, the right neighborhood, asked how old the roof was, had a home inspection and went ahead and dotted your i’s and crossed your t’s at settlement. You take pride in your curb appeal and don’t mind investing in maintenance as it is much less expensive than replacing things.
The Roof on MY Virginia Home Has Black Streaks
Lets quickly visit what this unsightly growth is and how it can be eradicated and give you back your curb appeal. A roof shingle is made up of organic petroleum material and lime. These raw materials are a perfect haven for a cyanobacteria that invaded Virginia from the southern states during the 1980’s called Gloeocapsa Magma. Once this blue green algae, as its often called, invades a neighborhood it jumps from roof to roof causing those ugly black streaks. Those streaks can overrun a roof so completely that light gray shingles can appear uniformly black. Other types of mold spores can start rooting themselves and soon, your roof is literally a Petri dish of organisms that are all feeding upon your shingles.
A Roof Cleaning Company To The Rescue!
Well, not so fast. Because roof cleaning is in its infancy here in Virginia and because the cleaning of roofs is becoming mandatory for good home maintenance, there have been a host of inexperienced start-up companies and fantastic claims for miracle cleaners that are Spray and Forget. The core reality remains.. The growth on your roof has to be not just removed from the surface of the shingles, but has to be killed down deep or it will quickly return. The formulations that will work even in states as close as Virginia may not be the same blend of cleaners and surfactants that work here.
Killing this cyanobacteria is only accomplished via oxidation. That’s a fancy way of saying the spores are literally exploded with an oxidizing agent. This is how bleach works. It is a very potent oxidizer and can be diluted to the right strength needed to do the job without killing everything in sight including your expensive landscaping or shrubbery.
Choosing The Right Virginia Roof Cleaning Company
Killing mold and its related spores in Virginia is a slightly different process than those spores indigenous to other areas. Spores, like any living organism, adapt to become heartier to last through climate changes and circumstances not present in another part of the country. Only experienced Virginia roof cleaning services will understand and have refined the right strength of landscape friendly cleaners to remove the growth and still be safe for the environment surrounding your home.
Like any trade, a big portion of the successful outcome of a roof cleaning is in the preparation. Plants have to be accounted for and protected. Where a gutter drains has to be carefully monitored and its runoff contained. Insides of gutters have to be inspected to predict possible overflow situations. The most important thing a homeowner needs to know is that very very little to zero pressure should be used on a roofing shingle. The granules protecting that shingle will be blown off using even as low as 500 p.s.i of pressure. If a company tells you they will wash the shingles with a pressure washer and not use any cleaning products… RUN!. They will take years from the life of your roof.
Look for the usual in a company… experience, time in business, licenses, liability insurance, workman’s comp insurance, trained technicians and get testimonials from other customers. Notice there was not any mention of price. Virginia now requires cleaning contractors to be licensed and insured.
While you have to of course work within your own budgetary requirements, it is better to leave the growth on your roof than to hire an inexperienced handyman that can leave your property a veritable wasteland of dead plants and etched glass. Roof cleaning in the Virginia region does not have to be done often so choose a contractor that will do the job correctly with your property’s safety paramount in successfully completing the roof cleaning task.
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