Cleaning Cedar Siding Before Painting

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Cleaning cedar siding before painting.

Remove as much filth as possible before continuing. Get rid of that grunge by cleaning your cedar siding with an oxygen bleach and choosing a protectant that doesn t feed future mold growth. Cedar shingles can also grow moss and algae or develop iron staining which requires periodic cleaning. Let the cleaner sit on the cedar siding for 15 to 30 minutes.

7 tips painting or staining cedar wood siding walking into a paint store can be overwhelming trying to decide which paint or stain coating you wish to provide your exterior cedar wood and siding as there are many varieties. Avoid using a bristle brush as this can scratch the painted surface. Scrub upward starting at the bottom of the cedar siding. Work a paint scraper from every direction keeping the blade flat against the wood so you don t create gouge marks.

The full strength solution should be strong enough to break down and remove failing coatings from the siding. You ll also need to seal and prime the wood to provide a surface that. Try mixing up fresh tsp water solution again and re scrubbing it. When all sections are done spray the entire house side once again.

If your siding is already stained painted or treated with a water repellent you must scrape off any of the coatings before you can paint over it. This prevents dirt from streaking downward on the siding. Department of agriculture s forest services laboratory recommends cleaning cedar shingles with an oxidizing bleach as opposed to a household bleach to avoid damaging the wood. Think your siding is already clean.

Pound in any protruding nail heads. Check the cleaner every 15 minutes. The following outline is intended to prepare you before buying any such products knowing exactly which type fits your final outcome. Leave it on longer than 30 minutes if needed.

Before sanding scrape loose and flaking paint from the siding. Use a paint scraper to remove any peelings or coatings so that the paint will adhere to the surface of the cedar more easily. You will be surprised at how dirty this second batch of water is. Scrub the siding with a long handled squeegee.

Mist it with water if the cleaner starts to dry. Allowing fresh siding to weather for as little as two weeks negatively affects coating adhesion. While you can use household bleach to kill mold and algae it tends to make the cedar shingle s surface fuzzy because of the excessive pulping reaction when using it. Let dry by itself at least 24 48 hours before painting.

If you decide to paint your cedar siding you ll need to clean it thoroughly to remove as much dirt and residue as possible.