Do not attempt to power wash your cedar siding. Power washing can damage the wood, and bleach can damage a power washer. Though it may be more time consuming, always clean your cedar siding by hand.

How do you keep cedar shingles looking new?

You don’t have to do much to cedar shingle siding if you prefer its weathered gray look, other than clean and coat it with a clear water-resistant preservative and inspect it for rot and damage periodically. Coating the cedar shingles with a water-resistant product helps to preserve the wood against moisture damage.

How long does it take for cedar shakes to turn GREY?

Answer: Because bleaching stain requires sunshine to change your shingles’ color, it depends on the amount of sunlight that hits your home. On the South Shore, it takes about six months- 12 months to turn cedar shingles from their natural color to gray.