Before sanding scrape loose and flaking paint from the siding.
Clean wood siding before painting.
Caulk after you stain or prime.
Potential of siding damage water injected under siding or dirt remaining on house.
Most of the time cleaning is straightforward but some circumstances like mold and mildew and chalky residue might require some special treatment.
If you plan to paint.
Clean the entire surface with soap and water or a pressure washer to remove any dirt and grime that s built up over time.
Although paint manufacturers might lead you to believe that the world will end if you don t clean the siding before painting the reality is not quite that dire.
Before painting apply primer to the old wood surface whether it is indoors or out.
The paint will go on just fine but by painting dirty siding you seriously shorten your paint s lifespan.
Here are tips for battling mildew stains and ridding your home of the chalky dust.
Stain bonds well to unpainted weathered wood.
It wasn t so long ago that trisodium phosphate tsp was a go to choice for tough cleaning jobs especially on exteriors.
Before weathered wood can be painted it will require extensive prep work to ensure that the paint stays on for more than just a couple of years.
Considering how hard and expensive it is to paint house exteriors it s a.
Primer helps paint stick and improves the coverage so you can dramatically change the color of the old wood if.
Clean wood siding your home s exterior really takes a beating.
If you plan to paint or use a solid color stain set any nails that the carpenters missed below the surface and fill the nail holes with caulk.
You want the absolute best adhesion surface for your paint.
Diluted in water and applied often with a stiff scrub brush it can.
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.
A brown gray or black stain on siding or.
Preparing your home s exterior before you paint is essential.
Make sure to brush the wood clean working from the top down.
Prepare the surface with old buildings such as my 130 year old barn water blasting the loose paint is not a recommended practice.
Preparing exterior wood for painting isn t difficult but it does require some prep work to ensure that your new paint has a smooth stable surface to adhere to.