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