What is the best way to remove algae from a wood shingle roof?

Answer: Hand scrape and scrub
Explanation: You should not pressure wash a wood shingles roof.

Answer: Not sure
Explanation: We have never been presented with a home with a wood shingle roof, but I would imagine it being a similar process.

Answer: It is not advisable to remove algae
Explanation: LEARN MORE: https://4squareroofing.org

Answer: Power wash with water only
Explanation: Use water only again any chemicals would cause discoloration

Answer: Hand scrape and scrub
Explanation: The correct answer is not listed. You should use a soft wash cleaning system to kill all algae , mold and mildew with the cleaning solution. NEVER PRESSURE WASH A ROOF!

Answer: Power wash with a chemical mix
Explanation: Chemicals & Low Volume wash Method

Answer: Power wash with a chemical mix
Explanation: Safety Working on a roof can be dangerous, and it becomes even more hazardous when wet, so be sure to take adequate safety precautions. Avoid working on steep roofs, wear slip resistant shoes, and use a safety rope where needed. When working with harsh chemicals, be sure to protect your skin and eyes. Bleach can damage or kill other plants in addition to algae, so wet down any grass, shrubs, or other plants where runoff will occur before and after applying bleach. Covering bushes with plastic after wetting them down helps as well. Cleaning It’s best to clean your roof on a cloudy day to prevent the cleaner from evaporating too quickly. If you know the manufacturer of your shingles, contact them or check their website for specific recommendations on cleaning. When using a product made for cleaning roofs or oxygen bleach, follow the directions on the container. While the recipe for cleaning a roof with bleach can vary, the basic formula is: 1 quart bleach (6% sodium hypochlorite) 1 gallon water 1/4 cup TSP (trisodium phosphate) or other heavy duty cleaner (don’t use a cleaner that contains ammonia or is not recommended for mixing with bleach, as it can result in poisonous chlorine gas)

Answer: Power wash with a chemical mix
Explanation: Use a good quality house wash and a light power rinse

Answer: Power wash with a chemical mix
Explanation: condition of wood is a factor

Answer: Power wash with a chemical mix
Explanation: by a professional pressure washer

Answer: Hand scrape and scrub
Explanation: Use a bristle scrub brush on a pole and push the brush down the roof to tear the moss's root

Answer: Power wash with a chemical mix
Explanation: the best way is done with low pressure and a bleach or chlorine wash to kill the algae and hand scrape the real heavy algae from the shingle edge

Answer: Power wash with water only
Explanation: Chemical can hurt wood

Answer: Power wash with a chemical mix
Explanation: Our roof cleaning process involves a LOW PRESSURE application of a specialized mix of detergents that prevent -- infestations from returning for much longer periods of time than other methods . We do not use power washers in the process

Answer: Power wash with water only
Explanation: Chemicals can damage the wood roof in most cases. But there are some products that have been tested and are safe for wooden roofs

Answer: Power wash with a chemical mix
Explanation: The proper chemicals and the proper pressure will be the factor in the outcome of the roof clean.

Answer: Power wash with a chemical mix
Explanation: Very hazardous work. It should only be done by a licensed, insured roofing contractor, and done from a man lift.