The cedar bureau recommends using a solution of 1 part bleach to 3 parts water.
How to power was cedar shakes on roofs.
Apply it with a pump sprayerlet it sit for about 15 minutes before rinsing it off with with a garden hose.
The grit can cause damage as the wood moves with the wind and the changes of temperature.
Wood shingles can benefit from a pressure wash as the grit that accumulates can be totally removed.
Roof quickly and efficiently.
Hire an experienced professional.
Use a hose with an attachment that emits a firm flow of water to rinse each section of your shingles.
Mix the oxygen bleach in a ratio of 2 cups of powdered granules to 1 gallon of water or based on the product and manufacturer s instructions on the label.
In early days the shakes shingles were laid over top of spaced lathing strips that were spaced so the shakes would stay dry.
Those wishing to purchase power washers should.
Cover about a 4 by 8 foot section with the liquid and let it sit on the siding for about 15 minutes.
Without regular cleaning the cedar shakes can start to decay over time giving the roof a dull gray appearance and accelerating aging.
Be sure to keep the hose pointed downward to avoid forcing water up behind the shingles.
As a result such cedar or redwood roofs would last for generations.
At least once a year you need to clear out the pores in your wood.
Power washers can be rented through local equipment rental companies or paint stores such as sherwin williams for 50 to 75 per day.
The jet of a pressure washer can actually damage wood shingles especially if they have dried out.
With the roof returning to its original cedar brown color.
Pour the mixture into a cleaned out lawn and garden sprayer.
Some homeowners might think power washing cedar shingles is the right solution but a closer look reve.
Considering the investment that a cedar shake roof represents it s best to stay safe and avoid power washing altogether.
It s possible to power wash a cedar shake roof safely but power washing can cause serious damage to a cedar shake roof when done incorrectly.
Cedar or redwood shakes roofs have been around for centuries and are one of the original roofing materials.