Algae On Roofs Prevention

It s actually tiny bacteria that produces a dark material to protect itself from the sun.
Algae on roofs prevention. You cannot control whether the wind deposits spores onto your roof but you can prevent the spores from developing into algae. Kirby also noted that metal fixtures galvanized steel or copper and in our experience even aluminum retard algae growth on roofs and he too recommends installing zinc or copper strips at the ridge to control algae growth but warns they may not be effective over the entire roof slope because concentrations of zinc copper or other metal salts are more diluted further away from the strips. Ventilation plays an integral role in preventing moisture problems that result in algae growth. Extended dwell times may be necessary however avoid letting the solution dry completely as this may prevent complete rinsing.
Tips for algae moss prevention and cleaning on roofsyour roof is an important part of the home which is why you need to do all you can to ensure that it does not have algae and moss which can be a problem. The more humid the area the more you can have algae growing on your roof. Apply with a sprayer and allow the solution to dwell on the roof surface for 15 to 20 minutes and then rinse thoroughly with low pressure water. This will help minimize the accumulation of heat and condensation in the attic area.
As we talked about in the last blog algae usually do not harm a roof but the black streaks and discoloration they produce can look very unappealing. Schedule regular roof and gutter maintenance to make sure your roof wicks water away as it should. Take proper precautions to protect landscaping and surrounding areas from the. You should install an efficient ventilation system beneath the roof deck.
What makes algae hard to stop is that the bacteria travels on the wind. Blue green algae are the most common type to grow on roofs. Consider paying extra for algae resistant roofing materials if. You must make the roof an unhealthy environment for spores.
If you have dark streaks on your roof algae have most likely been growing there for months. Algae spores are quickly spread across rooftops by either animals or the wind. Algae isn t mold mildew moss or tree sap. Installing multiple strips can thus be a more effective solution.
Prevention is always the best option for dealing with roof algae. You may not notice moss and algae growing on your roof until. Increase the amount of sun on your roof by trimming back overhanging branches.