Roof With Stains

Then use a soft bristled scrub brush to remove the stain from the roof itself and rinse with clean water.

Roof with stains.

Reply rachel frampton march 4 2020 at 11 52 pm. While doing little harm to your shingles the black streaks caused by the algae are unsightly. Tim asks how can i clean the black stains off my roof and keep them from coming back your stains are probably caused by the airborne spores of a blue green algae. If you decide to try it apply it shortly after you ve cleaned the roof.

Spray the roof with the diluted substance and let it sit for about an hour. Replacing the shingles on your roof just because you have black stains is not necessary however and you should be suspicious of any roofer that suggests roof shingle replacement as the only solution to your algae problem. Here is a diagnostic guide to types of stains and staining materials found on roof surfaces black red green brown or other coloured stains on asphalt roof shingles or on other roofing materials need first an accurate diagnosis of the stain cause and then proper steps to remove the stain or to prevent future staining on roof shingles surfaces. Sometimes you may find that there s a very stubborn stain on your roof that is caused by heavy fungus growth.

Set the garden hose on the spray setting with the highest pressure water and hold the nozzle close to the shingles when rinsing. If your roof is older or in bad shape and needs replaced anyway you may want to invest in these copper infused shingles. This will remove any stains that were loosed up by the oxygen bleach. Allow the oxy bleach mixture to sit on the shingles for about 15 minutes.

The second method is to spray on a coating of stain blocking solution defy stain blocker for roofs is one product but there are other brands as well a stain blocking product can buy you up to three years of protection from algae. A water stain on the ceiling is usually a by product of a roof heating appliance or plumbing leak that seeped through the ceiling and evaporated leaving you with an unsightly patch of dried.