There are ways to safely clean your house before painting using a pressure washer including using lower psi pressure washers widening the spray and standing at least two feet back.
Painted wood siding cleaning.
Suitability for exterior surfaces.
Your standard household whitener it appears to make mildew vanish but on porous surfaces such as wood or vinyl siding chlorine evaporates too quickly to get to the fungi s roots guaranteeing regrowth.
Give it an occasional cleaning to brighten up its appearance get rid of mildew and prevent discoloration.
Spray your home s wood siding with a garden hose.
When you keep the paint clean you can prolong a paint job for another year or two.
You want the absolute best adhesion surface for your paint.
Tsp works well and without damage on a variety of surfaces including brick and stone cement wood and roofing.
Every six months to a year you will need to clean painted cedar siding.
As dirt and filth continue to linger the paint wears thin.
Usually water is sufficient for cleaning wood siding.
The two applications of primer were followed with two coats of high quality exterior latex paint for a clean smooth finish.
Before sanding scrape loose and flaking paint from the siding.
When mildew gains a foothold homeowners often turn to diluted chlorine bleach sodium hypochlorite a k a.
If the surface is previously painted you.
Potential of siding damage water injected under siding or dirt remaining on house.
The first application of primer was absorbed immediately into the wood but the second application of primer did a fantastic job of covering the weathered siding.
Your first step will be to give the entire surface a thorough cleaning to remove the stubborn dirt and grime that s built up over the years.
Clean wood siding your home s exterior really takes a beating.
Houses painted before 1978 may have paint that contains lead according to the centers for disease control cdc lead paint should be removed by contractors who are certified by the epa.
Getting an outdoor wood surface ready for a fresh coat of paint isn t difficult but it does require a little prep work to ensure that the new paint has a smooth stable surface to cling to.
Work your way from the bottom of the wall to the top.
Make sure to keep your garden hose aimed downwards.
Master the proper technique and you can use a pressure washer to clean the wood siding on your home safely without incurring damage to the material.
This will prevent water from going up and getting stuck in siding panels which could damage it.