We are having trouble removing an algae growth on our cedar shake roof. We have scraped and found some areas rotted so we need to replace these. Is there a product other than bleach or copper sulphate that will work without harming the wood?
Answer:
Your local big box store will have a variety of products to deal with this.
In the interests of retaining credibility that I worked several decades to establish and in fairness to all, I don’t comment on various (building, electrical, plumbing) codes, brand-specific products, recommend prices, people nor companies for various projects.
Remember, even if you don’t do your own work around the house have to hire someone, you put yourself at a great advantage when you can intelligently discuss a project with the various trades people.
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To order, simply send a cheque or money order to: Ren, P.O. Box 9411, Ottawa, Ontario, K1G 3V1
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