Pressure Washing Your Home

Contrary to popular belief, a pressure washer is not a magic wand. Many home owners spend money on the purchase of a new pressure washer to clean the exterior of their homes, only to be disappointed with the results.

It’s not the fault of the pressure washer, but in the technique of how it’s being used. The wand on the pressure washer must be used correctly in order to achieve the results desired. Follow these helpful tips so you can have the cleanest house on the block.

Gas or Electric?

A typical electric model will not have enough pressure to clean a house unless the house is small, not very dirty, or depending on your local environment and structure. Electric models are best for car or boat washing.

Gas is your best bet, but, even then, you have to make sure it has the power needed to get the job done. The power of each pressure washer is measured in cleaning units. A house washing job will need a pressure washer that has around 6,000 cleaning units to be effective. Professional house washers usually have models that have 16,000 cleaning units so they will have the power to blast away anything they encounter.


The machine can’t do the job alone and often a little hand-work will be needed to get rid of all mold and stains.

You will need a spray bottle for small spots of mildew or a garden sprayer if the house has a lot of mold and mildew on the exterior. Fill your choice two-thirds full of hot water, finish filling almost to the top with bleach, then add a squirt of dish washing liquid.

Pre-treat the mold, mildew and tough stains by spraying the mixture on the stains and scrubbing with a nylon, non-abrasive bristle brush. Rinse spots with water from the garden hose.

Pressure Washing

Add a multi-purpose siding cleaner to your pressure washer and begin washing in small sections. Start out with the nozzle set at the widest fan pattern, and if that doesn’t give the desired results, narrow the fan pattern of the nozzle until it washes like you want it to.

Move the wand slowly from side to side, going from the bottom to the top. When rinsing, move the opposite way, top to bottom to ensure the best cleaning.

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