Roof Discoloration Cleaning

Do shingles on your north west or other shaded roofs have streaky moldy stains.

Roof discoloration cleaning.

Directions for mixing solutions of these ingredients may vary among shingle manufacturers and depend on the amount of discoloration. Allow the bleach to remain on for 15 to 20 minutes then rinse it off with a hose. 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. Make your shingles last longer.

Avoid using such measures when possible. They re likely to damage the shingles. No pressure washers please. 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.

Part 1 making preparations for chemical cleaning. Here s how to clean the. Cleaning tiles with harsh chemicals and pressure washers can erode tile coatings and paint. 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. 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. How to clean roof stains wash your shingles where the sun doesn t shine. Other cleaning chemicals or methods should not be used without approval of the shingle manufacturer.

Some of this growth including the stains from algae spores are cosmetic but others such as moss cause costly damage to your roof.