Roof Cleaning Yardley Pennsylvania
Thank you for checking out our Yardley Pa. roof cleaning service website. We service only local Pennsylvania and areas local to the Trenton New Jersey area. We are an Angie’s List A+ rated company specializing in roof cleaning for asphalt shingle, slate roofs as well as cedar roofs.
Roof cleaning is not a “power washing” job. Please do not let anyone pressure wash your roof. Even at alleged low pressures, damage can occur. Power washing a roof can release many of the roofing granules and shorten the life of the roof. Furthermore, pressure washing does not fully sterilize the roofing shingle. We are dealing with an infection when it comes to roofs riddled with algae, moss and lichen. When we clean a roof our approach is not necessarily to clean the roof but rather to solve an infection. A clean roof is merely a by-product of solving the infection. Since your roof has essentially become a petri dish anything short of full sterilization will result in the stain returning rather quickly. Anything short of a 100% kill ratio on the algae, moss and/or lichen will result in the stain returning rather quickly.
Black Roof Algae Staining
Black staining on a roof is caused by a single celled organism call Gloeocapsa Magma. These single celled organisms are actually green when bunched together. As it rains it pulls the cells downward creating a streaking appearance. We correct this infection by applying a properly ph solution of sodium hypochlorite. This is a bleach like solution which is the only product that is suggested by the roof manufacturer. This is a safe yet very effective anti-microbial solution. This is a salt based oxidizing detergent that dissolves the algae cells and creates a 100% sterile surface. By completely eradicating all cells will the roof stay clean for a considerable amount of time.
This product is applied at very low pressure, usually at pressures less than a common garden hose. It is not the pressure that is creating the clean roof, but rather removing the infection to reveal a clean roof. Once the algae is dissolved it can be washed away with a good rain.
Cedar Roof Cleaning Yardley Pennsylvania
Cedar roofs are cleaned a bit differently than an asphalt shingle roof. Cedar can last for far more years if properly maintained. Black mold, algae and moss can retain moisture and assist in shingle rot. We apply a milder but similar solution than asphalt roofs. The difference is once the moss is killed and the algae is dissolved, which usually takes about 5 to 10 minutes, the cedar shingles are quickly neutralized of the cleaning solution then rinsed. The cedar shingle will brighten up and look very new but eventually grey over which is typical and natural of cedar shakes. at that point it is up to the buyer should they choose to add an aftermarket oil like linseed oil.
Slate Roof Cleaning Yardley Pennsylvania
Slate roofs are very beautiful with all of the natural coloring. Unlike cedar and asphalt roofs, slate roofs are unlikely to suffer from the same damage caused by moss and algae. Nothing detracts fro m the beauty of a slate roof more than black mold and moss. Slate roofs are treated with a similar detergent than asphalt roofs but we add a bit more surfactant to create more cling. Since slate is a bit smoother we do not want the mixture to run directly to the gutter. Adding a bit more surfactant allow us to use less soap to achieve our results.
We service the immediate Yardley Pennsylvania are and other areas right outside Trenton. All estimates are free and all full roof treatments come with a no-hassle 3 Year Spot-Free Warranty. We can usually schedule and have your roof cleaned within a week. We also service Morrisville, Upper Makefield Township and Woodside Pa..
Leran more about roof soft washing in Yardley Pennsylvania by watching our Youtube video. Thank you and have a great day!