The cedar bureau recommends using a solution of 1 part bleach to 3 parts water.
How to treat cedar wood siding.
Wash the wood first.
With an oiled surface clean the wood with a pressure washer apply a coat of wood bleach let it stand per the manufacturer s instructions and pressure wash again.
Surface preparation is not necessary for textured cedar.
If the wood is wet when you apply the coating it may not work well.
Keep cedar looking its best by dusting with a soft cloth or vacuum cleaner brush as needed.
The paint test on cedar is like this.
If you do decide to color your wood there are several options.
At this point you can apply a fresh coat of oil or oil stain.
Apply it with a pump sprayerlet it sit for about 15 minutes before rinsing it off with with a garden hose.
Cover cedar siding with primer to keep any tannic acid or natural red coloring from.
Be sure to keep the hose pointed downward to avoid forcing water up behind the shingles.
Inspect all caulking and repair or replace any that is damaged cracking peeling or missing.
Along with protecting your cedar shingles against decay and other coastal contamination this treatment will also give them the weathered silvery gray look that many homeowners prefer.
After that the color will rapidly change from red to gray.
Likewise dirt or grime on the wood surface makes it impossible to get a good finish.
Inspect the flashing the seal between the roof and chimney for signs of water leakage or damage.
Sand it to remove the loose surface particles.
Take a brush or roller applying the paint on the cedar surface approximately 6 x 6.
Then take a strip of masking tape taping across the newly painted surface.
To protect the finish when it starts to look dull clean it with a homemade wood cleaner consisting of 1.
Apply the sealant or stain to clean dry cedar.
As soon as you run a piece of tape take a larger square of plastic sheathing covering the newly painted spot.
Most cedar treatments are much like house paint in that they are composed of pigments and solids.
Cleaning away the age is the first step in caring for cedar shingles.
Prep the cedar siding by cleaning it with a bleach and solution.
After installing your exterior cedar you have about a two week grace period until the wood starts to discolor.
Spraying the cedar siding with water will make problem areas easier to see.
Treatments for cedar siding maintenance some cedar siding shingles are treated with bleaching oil which is a treatment made with linseed oil and bleach crystals.
Your oiled siding will look so good that you won t believe you did it yourself.
For smooth planed flat grained cedar some surface preparation may be desirable.
Look for any signs of mold.