You must be careful not to damage the wood while doing so as the water pressure is strong.
Preparing siding for paint with garden hose.
Do not spray upward under siding or into air vents near the eaves which permit air circulation into the attic.
You can easily ruin hardboard siding by neglecting maintenance or by doing the work incorrectly.
Step 3 scrape off paint.
It also will save paint as it fills the grain.
Use a long handled scrubber brush and a mild detergent to gently scrub away accumulated dirt grime mold and other residue.
Non metallic scour pad synthetic steel wool mold mildew remover.
Dip the brush into the tsp solution and scrub down the siding from one end to the other.
Pressure washers are over rated.
Garden hose and or pressure washer.
Use bleach for stuff that is growing green.
Start at the top of the house and work your way down aiming the nozzle downward and keeping it moving constantly.
It is likely that your siding had a previous coat of paint.
Some of the preparation guidelines include.
Use tsp with both if you can get it in your area.
Step 2 rinse.
Gently spray one section of the siding with the garden hose.
In general be aware of any place that may allow water to intrude under the siding or into the house.
Then power sand to feather the hard edges left by scraping prime any bare wood and caulk all joints.
Give the surface a full day to dry before moving on.
If time permits it lightly sand your hardie siding before rinsing it off to make your paint last longer.
Scrape off loose paint.
Let the siding and trim dry completely usually two days before painting.
When you re satisfied with the wood s appearance rinse the exterior from top to bottom with a garden hose.
Paint scraper s sandpaper or sanding pads.
If you used tsp to clean the house rinse twice to ensure the solution is completely gone.
It is hard to top.
Drop cloth s preparation steps.
Rinse the entire house with a garden hose until the runoff water is clear.
Preparing the siding tools needed.
It helps if you attach a spray nozzle with a medium pressure setting to clear away dirt and soap.
Allow the primer to dry about 4 to 6 hours before painting.
All you have to do is simply clean the exterior walls with a garden hose on medium pressure to wash off dirt and dust and wipe it off with a smooth towel.
Use a long handled brush and detergent.
Powerwash the siding to remove any excess dirt or paint with a low pressure pressure washer.
Non film building cleaner tsp substitute rubber gloves.
Be sure to check your caulking before painting as well.
Use plenty of water from your garden hose to rinse the siding.