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