The weather may not be cooperating in some parts of the country, but the calendar says spring cleaning time is just around the corner, and that means ridding residential and commercial exteriors of all the grime that built up during the fall and winter months. Bleach is an excellent way to get rid of deep dirt and stains that basic power washing doesn’t handle well, but how much bleach is too much? Bleach Formulas for Pressure Washing: How Much Is Enough?
How much bleach do YOU use?
__________________ “Show respect to people who don't even deserve it; not as a reflection of their character, but as a reflection of yours.” (Dave Willis)
The topics covered on this site include activities in which there exists the potential for serious injury
or death. PaintTalk.com DOES NOT guarantee the accuracy or completeness of any information contained
on this site. Always use proper safety precaution and reference reliable outside sources before attempting any construction or remodeling
Just enough to do the job and no more. Downstreaming a house as low as .5%. Typical home 1%. Excessive growth, Dryvit, etc. 1.5% +. All the way up to 6% for the nastiest of roofs, applied direct. Percentages above are the concentrations hitting the wall.
We buy 10% pool shock (SH) because we buy it much cheaper than the 12.5% SH. A typical housewash mix consists of 3 gallons of SH and 2 gallons of water. For roofs, we do a 50/50 mix sprayed on straight with no dilution.