Cleaning Log Siding Before Staining
Oxalic acid causes problems with timber pro uv and other finishes by making them turn gummy.
Cleaning log siding before staining. Stained cedar siding has a tendency to discolor over time. Work down from the roofline taking on one 10 foot square section at a time. Many log washes must remain wet to work effectively. The black coloring or darkening of the cedar siding is caused by mold growth.
Maintenance is cleaning the surface gently with bleach tsp and water. Before staining replace rotting or decayed wood and remove loose stain and eroded wood fibers by sanding scraping or power washing the problem surfaces. Spray the wood cleaner onto the siding with warm water if possible for better absorption. How to clean stained cedar siding.
If the color is ok the clear should be applied in order not to overly darken the appearance. Wash the logs or siding with clean brite before re applying your clear uv coat. Bleach is very hard on wood and causes fuzz. Point your pivotpro hit the trigger and start spraying cleansing water against your dirty wood siding.
So the best approach is to wet down the wall with water mist from your garden hose apply the log wash solution and work an area that is limited so the wash remains on the wall for no more than 10 minutes. Following the directions from the manufacturer that you ll find on your product. Dealing with surface contaminants once the surface is in good condition re inspect for dirt mildew stains cedar bleed chalkiness and other foreign substances. It means free of dust pollen bird poo pencil marks mill glaze this is a biggie or anything else that makes your logs dirty.
Peeling or flaking stain. Let the cleaner sit on the siding for a time according to the manufacturer s instructions. Sashco s cpr is perfect for this job. Oil stains that are.
Typically you should apply the cleaner by spraying it on and using a sponge to work the cleaner into the wood. Step 2 power wash the cleaner off the siding. Mold mildew or algae growth under the stain. Step 1 applying cleaner to your siding use a bleach or wood cleaner to apply to your log siding before applying stain.
After that another coat of stain or clear coat should be applied to replenish uv absorbers blockers resin and pigment. Contaminants that get trapped under the stain can lead to.