Diluted in water and applied often with a stiff scrub brush it can remove.
Cleaning wood siding before staining.
Even after pressure washing you may still find that a thin layer of dirt remains on the siding.
When you water pop wood you won t have to do multiple coats of stain either.
You can dry wood siding using a dehumidifier or a space heater.
Point your pivotpro hit the trigger and start spraying cleansing water against your dirty wood siding.
What it does is open the pores of the wood to allow it to take the stain evenly and deeply.
Dealing with surface contaminants once the surface is in good condition re inspect for dirt mildew stains cedar bleed chalkiness and other foreign substances.
Don t use paper towels as this will leave behind.
A damp sponge can be used to remove excess wood.
The technique of wetting the wood down before staining is called popping the grain.
Work down from the roofline taking on one 10 foot square section at a time.
At 46 inches in.
The cloth will likely come up dark gray with a layer of fine soot.
How to clean wood before staining.
The wood grain is so open that in one coat you should be able to get the look you want.
If you re looking to stain a piece with any paint residue on its surface start by using a paint stripping agent to loosen.
For moldy siding wait until the weather is also dry to effectively take.
Dry the siding first if you notice signs of mold growth.
Before staining replace rotting or decayed wood and remove loose stain and eroded wood fibers by sanding scraping or power washing the problem surfaces.
As an experiment rub a clean white cloth across the unwashed siding.
It wasn t so long ago that trisodium phosphate tsp was a go to choice for tough cleaning jobs especially on exteriors.
After spot cleaning the affected areas with a nylon scrub brush thoroughly wipe and rinse away any remaining acid to prevent damage to the wood.
Manual cleaning is preferred.
How to clean unfinished wood before staining.