"Power Washing" and "Pressure Cleaning" - Know the Difference?

p>Before vinyl siding became popular, pressureand other areas that may be in the work area.
cleaning was mainly found in the commercial andThese items should be covered to protect from any
industrial setting. Storefronts, drive-thrus, andoverspray and returned to their proper place when
dumpster areas are routinely cleaned for aestheticsthe job is finished. Windows and doors are checked
as well as sanitation, health and safety reasons. Stateto make sure they are closed and water tight.
and city ordinances require public areas such asScreens are removed and safely stored. Porch
restaurants, convenience stores and hospitals andfixtures and ceiling fans are either covered or
many other public related sites to be cleaned on acompletely removed. Hoses are laid out to minimize
regular basis.damage to lawn and flower beds. Chemical pails are
With the introduction of residential siding productsplaced either on containment pans in case of spillage
including vinyl, stucco, EFIS and other compositeor located on driveways and sidewalks.
materials, pressure cleaning has become theWater is then applied to all surfaces to be cleaned as
preferred cleaning method by the leadingwell as adjacent flower beds, shrubbery and lawn.
manufactures. When combined with the properCleaning agents are then applied starting at the
cleaning compounds, detergents and specialtybottom and working up to avoid streaking. After
cleaners, it is a very effective and efficient means tosufficient dwell time of the cleaning agents, the actual
clean and sanitize.cleaning begins at the top. Gutters are hand brushed
Residential pressure cleaning differs from commercialusing a sodium hydroxide solution to remove the
in that it is much less aggressive and usually hotblack streaks which is electrostatic bonding run-off
water is not needed. Hot water is generally used tofrom the shingles. Without brushing, the gutters will
remove gum, grease and other tough trouble spots.not come completely clean. Fascia and soffitts are
Actually, when washing houses, very little pressure isthen cleaned of dirt, mildew, spider webs and other
needed at all. A professional pressure cleaner willcontaminants. Working down the wall, windows and
have a low pressure system to clean the homesills are hand brushed while the utmost care is taken
(siding, windows, soffits, etc...) and a high pressurewhen working around light fixtures, receptacles and
system used only on brick, cement, ironwork and fordelicate trim. After the walls have been cleaned,
stripping decks and patios. A professional pressureporches, steps, and railings are cleaned next using
cleaner relies on the chemicals and detergents to domeasured amounts of pressure particularly on
the work and the water to do the rinsing and cleanfoundations where clay splatter can sometimes be
up. The volume of water is more important than thehard to remove. With the right chemicals, good
pressure of the water.results removing clay and rust stains from not just
There are many part time so called "power washers"foundations, but siding and other areas as well can be
going around with the retail store pressure washerachieved.
and gallons of bleach charging the $99.00 house washMoving to the last project, the deck is either cleaned
special. The professionals refer to them as theor stripped depending on what the homeowner
"Splash & Dash." The problem is that most dowants. It is highly recommended to have the deck
not carry insurance, hold any certifications and nextstripped and then apply a good quality sealer. Decks
year they can't be found. We have all heard theare expensive and the old pressure treated lumber is
stories of broken windows, siding torn off andfar superior to the new EPA. mandated lumber. It
flowers and shrubs killed by bleach.would be a waste not to take care of it. Use
Now is a good time to explain that there is aproducts that will stand up to the elements without
difference in "Power Washing" and "Pressurepeeling or flaking and will not leave traffic patterns as
Cleaning". Anybody can wash anything, but to get itit wears away.
clean requires more than just washing with bleach.When the house is cleaned and rinsed, the windows
Chlorine is an excellent sanitizer and used to kill moldshould be dried using a squeegee to eliminate
and mildew, but has no cleaning ability to remove dirt,spotting, items returned to their place, flower beds
clay, grease or other pollutants. Professionals useraked and tidy and any debris picked up. A final "walk
specific emulsifying cleaning compounds mixed witharound" inspection should be preformed to assure
chlorine and often times add a wax so dirt, pollen andnothing was missed and that everything is in it's
pollutants will not adhere, making the surface easierproper place and the homeowner is satisfied.
to clean the next time.Like other professional service providers, the
After hiring a professional pressure cleaningprofessional pressure cleaning contractor is operating
contractor, you should expect them to arrive at thea legitimate business. Insurance, proper chemicals and
appointed time and take care of everything. A typicalequipment as well as technical training is utilized to
professional cleaning should include the furniture,insure the homeowner of their project being
plants and other items moved from porches, deckspreformed in a timely and workmanship like manner.