Roof Discoloration Cleaning

Avoid using such measures when possible.

Roof discoloration cleaning.

Directions for mixing solutions of these ingredients may vary among shingle manufacturers and depend on the amount of discoloration. To keep your roof safe and sightly choose a cool overcast day mix a cleaning solution spray it onto your roof then rinse after 20 minutes. Algae can be killed and the stains removed using chemical cleaners though they usually return over time. Make your shingles last longer.

Roof cleaning in such abrasive ways makes it necessary to re coat the seal and paint to protect the roof from dirt and moss infestation. Use a cleaner specially made for killing algae or by spraying a mixture of one part bleach to four parts water with tsp trisodium phosphate or other detergent added in a garden pump up sprayer. Tiles are also very fragile and can crack easily under pressure. How to clean roof stains wash your shingles where the sun doesn t shine.

A typical solution should be one part chlorine bleach and one part water. Do shingles on your north west or other shaded roofs have streaky moldy stains. Some of this growth including the stains from algae spores are cosmetic but others such as moss cause costly damage to your roof. Black streaks on the north and west facing and shaded.

Here s how to clean the. Allow the bleach to remain on for 15 to 20 minutes then rinse it off with a hose. Cleaning tiles with harsh chemicals and pressure washers can erode tile coatings and paint. The less expensive solution is to spray wash the roof with a 50 percent mix of water and bleach to get rid of the algae.

They re likely to damage the shingles.