This discoloration is most likely caused by a combination of excessive tannins leeching from the wood and mildew growth.
Painting smooth cedar siding home.
Surface preparation is the key to success when dealing with weathered wood.
Painting cedar however calls for some preparation.
On flat grained wood the surface should be scuff sanded with 50 60 grit sandpaper.
Of course both sides should be primed plus the ends of each board.
Surface preparation is not necessary for textured cedar.
This procedure will greatly increase the coatings performance but will not detract from a smooth appearance.
You will get more life out of a good paint job by doing it on the rough side.
Cedar siding install rough or smooth.
Besides adding beauty to your home painting your cedar siding can help protect it from rot too.
Cedar siding can be one of the most resilient beautiful materials that you can put on your home.
Sand the cedar siding if it has a smooth finish.
Genuine cedar siding is going to require washing and staining sealing or painting on a regular basis.
Posted in construction techniques on july 4.
The siding must be free from mold mildew and dirt.
Paint or stain dimensional cedar wood siding having cedar lumber wood siding such as 1 x 6 1 x 8 1 x 12 or two inch thickness can be painted with a solid paint stain not requiring primer but still not recommended painting cedar if you can help it.
Your climate and landscape will determine how often these processes are required.
For smooth planed flat grained cedar some surface preparation may be desirable.
On flat grained wood the surface should be scuff sanded with 50 60 grit sandpaper.
This procedure will greatly increase the coatings performance but will not detract from a smooth finish.
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Some sections of old unpainted shingles and siding may look darker than others.
Cedar siding has a well deserved reputation for withstanding weather and resisting paint chipping and fading.
You can skip this if the cedar is textured.
While extremely old cedar can be painted it requires heavy preparation.
A mild non phosphate detergent is recommended.
Dusty climates will require more frequent washing.
If you do it right painting cedar siding can last for a long time.
In addition well painted siding repels mold and mildew and will make it easier to wash off any dirt or grime.
There are thousands of homes that are covered in cedar siding in and around indianapolis.
Loosened photodegraded surface fibers and any loosened remaining finish must be removed prior to re finishing.
Cedar siding painting is a common occurrence in the indianapolis area.
Surface preparation is not necessary for clean textured cedar.
You ll have to remove the mildew and prime the wood with a stain blocking primer.
Be careful when painting very old cedar siding.
Power wash every two to four years.