Soon many will be painting over old exterior paint at some point even more who wishes it to last indefinitely.
Painting old wood siding.
The high pressure of the sprayer can knock those old boards loose and infuse the bare areas of wood with water.
Flaking paint occurs when moisture collects under the painted surface.
When the wood is clean and smooth use a latex based primer especially made for exteriors to prepare the surface for a new coat of paint.
With old buildings such as my 130 year old barn water blasting the loose paint is not a recommended practice.
Prime the wood siding with a wood primer.
Whether you are painting wood siding masonite t 111 clapboard siding or wood trim all information below pertains to them all.
One of the primary factors comes down to the area where you live.
This causes repeated swelling and shrinking of the wood which makes the paint pull away from the wood surface leaving it cracked and peeling.
You can then sand the entire surface to give it a more textured surface that your paint will easily stick to.
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.
Instead the paint should be scraped off by hand using a paint scraping tool.
Before sanding scrape loose and flaking paint from the siding.
However angie s list estimates that the cost of painting old siding is between 99 and 242 per 300 square feet.
Work a paint scraper from every direction keeping the blade flat against the wood so you don t create gouge marks.
Painting and stripping old wood siding overview when we started to paint our house we faced the problem of trying to decide what we could do to maximize the life of our paint job.
Sometimes it has a base color in it to make it easier to cover over the old color and the prepare for the.
Prices vary quite a bit.
Unfortunately we kept finding contradictory information.
To prevent the loose paint from causing new paint to flake you should use a hook scraper putty knife or sanding tool.
The moisture enters the wood siding from the unpainted side gets absorbed and then dries.
This is also a good time to scrape any old flaking paint off and to sand down old paint lines.