If the wood is wet when you apply the coating it may not work well.
How to treat cedar wood siding.
This procedure will greatly increase the coatings performance but will not detract from a smooth finish.
Most cedar treatments are much like house paint in that they are composed of pigments and solids.
Allowing it to dry as directed.
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.
Look for any signs of mold.
At this point you can apply a fresh coat of oil or oil stain.
Inspect the flashing the seal between the roof and chimney for signs of water leakage or damage.
As soon as you run a piece of tape take a larger square of plastic sheathing covering the newly painted spot.
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.
Cleaning away the age is the first step in caring for cedar shingles.
The paint test on cedar is like this.
If you do decide to color your wood there are several options.
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.
Sand it to remove the loose surface particles.
After that the color will rapidly change from red to gray.
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 installing your exterior cedar you have about a two week grace period until the wood starts to discolor.
To protect the finish when it starts to look dull clean it with a homemade wood cleaner consisting of 1.
Likewise dirt or grime on the wood surface makes it impossible to get a good finish.
Be sure to keep the hose pointed downward to avoid forcing water up behind the shingles.
Your oiled siding will look so good that you won t believe you did it yourself.
Apply the sealant or stain to clean dry cedar.
For smooth planed flat grained cedar some surface preparation may be desirable.
Inspect all caulking and repair or replace any that is damaged cracking peeling or missing.
Spraying the cedar siding with water will make problem areas easier to see.
Prep the cedar siding by cleaning it with a bleach and solution.
Surface preparation is not necessary for textured cedar.
Apply it with a pump sprayerlet it sit for about 15 minutes before rinsing it off with with a garden hose.
On flat grained wood the surface should be scuff sanded with 50 60 grit sandpaper.