Unfortunately even in small amounts chlorine bleach eats away at the material it is applied to and in the case of your cedar siding it can weaken your wood s fibers.
Clean cedar siding with bleach.
It wasn t so long ago that trisodium phosphate tsp was a go to choice for tough cleaning jobs especially on exteriors.
How to clean cedar siding with bleach.
Staining the restored cedar siding.
How to clean stained cedar siding.
About oxiclean oxiclean contains hydrogen peroxide surfactants and other ingredients that give it powerful cleaning action.
Your standard household whitener it appears to make mildew vanish but on porous surfaces such as wood or vinyl siding chlorine evaporates too quickly to get to the fungi s roots guaranteeing regrowth.
The black coloring or darkening of the cedar siding is caused by mold growth.
As long as there is no finish on the cedar there shouldn t be if your test pieces lighten up i d put drop cloths down and just sponge the bleach onto the paneling it ll work a little faster if you warm the solution.
For the best results thoroughly inspect your western red cedar siding trim and or decking first for any damage mildew and dirt.
If necessary a stiff bristle non metallic brush can be used.
Cedar siding after mold removal cleaning and brightening.
Use wash safe cedar wash to clean old cedar shake roofs cedar shingle siding cedar fencing or any other cedar used outdoors.
In the past chlorine bleach was often recommended to remove dirt stains and mildew from siding but chlorine bleach is a toxic compound harmful to plants and the environment.
Now the cleaned and brightened cedar wood siding is ready to stain.
I d try the bleach solution on a test piece or in an inconspicuous area to be sure it works all right.
Oil stains that are.
Stained cedar siding has a tendency to discolor over time.
Use on old cedar to remove the outer dead gray layer of wood pulp plus stains from mold and mildew then reveal new clean looking cedar.
Both chlorine and oxygen bleach have great anti microbial qualities that allows them to clean and disinfect the surfaces they are applied to.
Cedar siding can add an attractive rustic charm to your home but in some instances your siding may require a thorough cleaning with powerful solutions.
In the past he had used oil based wood stain products but found the mold and mildew returning within a few years each time.
When mildew gains a foothold homeowners often turn to diluted chlorine bleach sodium hypochlorite a k a.
Use as the ultimate specialty surface prep before sealing staining or painting cedar.