Roof Discoloration Cleaning

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.

Roof discoloration cleaning.

Allow the bleach to remain on for 15 to 20 minutes then rinse it off with a hose. Algae can be killed and the stains removed using chemical cleaners though they usually return over time. Part 1 making preparations for chemical cleaning. 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.

Tiles are also very fragile and can crack easily under pressure. Here s how to clean the. No pressure washers please. Other cleaning chemicals or methods should not be used without approval of the shingle manufacturer.

Make your shingles last longer. Directions for mixing solutions of these ingredients may vary among shingle manufacturers and depend on the amount of discoloration. They re likely to damage the shingles. Avoid using such measures when possible.

Black streaks on the north and west facing and shaded. Some of this growth including the stains from algae spores are cosmetic but others such as moss cause costly damage to your roof. 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. 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.