How to Use Power Washing Clean Your House
The exterior walls of a house are its facade, but prolonged exposure to wind, rain, and dust can easily lead to dirt accumulation and even corrode the siding and wood, subtly affecting the house’s durability and value. Manual scrubbing is laborious and inefficient, while a hig power washing, with its powerful water jet, can easily remove stubborn stains, making it a highly effective tool for exterior wall cleaning.
However, power washing cleaners are powerful tools, and using the wrong pressure or technique can lead to problems ranging from leaving cleaning marks to damaging walls and windows. This guide will teach you how to safely and effectively use a high-pressure washer to refresh your home’s exterior walls and restore its brilliance.
How to Prepare Before Cleaning Your House
The effectiveness and safety of pressure washing your house depend to a large extent on proper preparation. Thorough pre-treatment can prevent problems such as water backflow and make subsequent cleaning more efficient and smooth.
Clear Surrounding Obstacles
Before using a pressure washer, you need to move all outdoor furniture, flower pots, etc., within 3 meters of the exterior walls indoors or away from the cleaning area to prevent damage from the high-pressure water stream; and secure garden hoses and electrical wires to prevent them from getting tangled in the equipment or being dragged by the water flow.
Seal House Openings
You also need to tightly cover and seal door and window gaps, exterior electrical outlets, etc., with plastic sheeting and waterproof tape. Pay particular attention to vents under the eaves and cracks in the walls to prevent high-pressure water from seeping into the house.
Protect Surrounding Landscaping
You need to wrap plants, lawns, and other landscaping with waterproof cloth or plastic film. If necessary, water the plant roots beforehand to moisten them before covering them with a protective layer to prevent the high-pressure water from causing the plants to wither.
Inspect the Exterior Walls
You need to carefully inspect the exterior walls for cracks, loose trim, or peeling paint, paying close attention to corners, under windowsills, and eaves, which are prone to damage.
How to Choose the Right Pressure Washer for Your Home
Choosing the right pressure power washing jet gun is crucial for efficient and damage-free cleaning of your home’s exterior walls. Too much pressure can scratch the walls and erode the mortar, while insufficient pressure won’t remove stubborn dirt.
Determining the Pressure
The basic safe range is around 1300-2000 PSI, suitable for most household exterior wall materials. This pressure power washing is sufficient to remove dirt without damaging the surface material or paint.
The medium-to-high pressure range is 2000-3000 PSI, suitable for stubborn stains or high-pressure resistant materials. Maintain a spray distance of 10-12 inches when using this pressure.
The low-pressure range is ≤1500 PSI, best suited for sensitive materials to avoid corrosion or damage.
Choosing the Right Water Flow Rate
Select the appropriate power washing house GPM based on the size of your house to avoid excessively long cleaning times. Basic household models range from 1.0-2.5 GPM, suitable for single-story houses or small area cleaning, and ideal for first-time pressure washer users.
High-efficiency models have a larger range: 2.5-3.5 GPM, suitable for two-story or larger houses or large exterior walls. The increased water flow allows for faster coverage of high areas and large wall surfaces.
Accessory Compatibility
Nozzles and accessories determine cleaning power washing jet wash effectiveness and safety. Even with the right pressure washer model, choosing the wrong accessories can still damage surfaces. You can choose a 25° fan nozzle and a 40° fan nozzle, which are suitable for most materials.
Tips for Cleaning your House with High Power Washing Gun
Equipment Debugging
Assemble the water gun and check the seals, test the pressure and spray distance in a concealed area to determine the appropriate parameters.
Pre-soaking and Softening
Wet the wall from top to bottom with low-pressure water. If there are stubborn stains, spray with a special cleaning agent and let it sit for 5-10 minutes.
Sectional Cleaning
When cleaning, follow the top-down principle, using a 25° or 40° nozzle to spray at an angle, moving at a constant speed without focusing on a single point.
Corner Treatment
For high areas, you can use an extension rod. For window sills and corners, switch to low pressure and use a soft brush for auxiliary cleaning.
Thorough Rinsing
Rinse off the cleaning agent with clean water from top to bottom to avoid residue.
Finishing and Maintenance
Release the equipment pressure, disassemble and clean the accessories for storage, inspect the wall surface and remove protective coverings.
Cleaning your house with a high-pressure washer using the correct procedure is an efficient way to remove dirt and restore the cleanliness of your exterior walls, while also protecting the materials from damage. This easily enhances both the appearance and durability of your home.
As a professional manufacturer of cordless power tools, MVM high-pressure washers are precisely designed to suit different exterior wall materials and easily handle the cleaning needs of single-story to multi-story houses. If you need more information about our products, selection advice, or bulk purchasing options, please feel free to contact us!
