Apply directly on the stain with a.
Oxygen bleach to clean cedar siding.
If necessary a stiff bristle non metallic brush can be used.
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.
When you add a bit of this sodium percarbonate or sp powder to water it reacts by releasing the trapped oxygen from the peroxide.
The oxygen bleach comes as a granular powder that mixes with water.
Treat stains with oxygen bleach paste.
Apply one coating of oxygen bleach to the darkest stained areas first then coat the entire shingled surface with the spray.
Make any necessary repairs then clean the cedar with warm water and phosphate free soap.
Two pounds of my oxygen bleach needs to be mixed with 5 gallons of water to get the best wood cleaning results.
To treat a stubborn stain mix just enough warm water with a small amount of powdered oxygen bleach to make a paste.
Oxygen bleach such as oxiclean is safe to use on aluminum siding and effectively removes mold and mildew that can damage aluminum surfaces.
Make sure to rinse away all bleach because any bleach left behind may discolor the cedar.
Use oxiclean as directed and scrub surfaces where mold has discolored the material.
Follow this by spraying another coat of the oxy bleach onto the darker stains.
Spray the oxygen bleach mixture onto the shingles.
I find that 5 gallons of oxygen bleach solution will clean 300 to 500 square feet of surface area.
If you had mold growing dry the siding a second time with a heater or.
The safe and effective way to clean the wood is oxygen bleach.
If you buy another brand you will need to add more to get similar results.
It s also safe for plants that may inadvertently get dripped upon during the cleaning process.
I used double the concentration on mine because i got tired of scrubbing.
If there is mold or mildew brown or black spots it needs to be killed with a commercially available mildew killer cleaner or warm water and oxygen bleach.
Oxygen bleach removes algae mold and mildew from cedar restoring much of the wood s natural beauty.
Oxygen bleach is non damaging both chlorine and oxygen bleach have great anti microbial qualities that allows them to clean and disinfect the surfaces they are applied to.