Sanding Cedar Siding Before Painting

You can skip this if the cedar is textured.

Sanding cedar siding before painting.

But there is good reason not to powerwash a wood sided exterior. Pound in any protruding nail heads. Filling cracks and holes with caulk in your home s trim and siding before painting not only makes the paint job look better but also makes the paint last longer. I can assume there is instant dissent with the title of this story.

1 connect a pressure washer to a garden hose and pressure wash the siding to be sanded. Cleaning and sanding is the best way to prepare the cedar siding for a new finish. You want the absolute best adhesion surface for your paint. After you have washed it wait for it to dry before applying any stain to the cedar.

Like most wooden shingles however especially when painted they require care and maintenance over the course of time. Use a thick brush when staining. Use 120 grit sandpaper to feather the edges of any sharp ridges of paint. 1st cedar is a relatively soft wood.

Check the dry siding for any more loose coatings or ridges created by coatings that have been removed. Caulk is a substance designed to seal a joint between two surfaces and. Work a paint scraper from every direction keeping the blade flat against the wood so you don t create gouge marks. Potential of siding damage water injected under siding or dirt remaining on house.

Use your paint scraper to remove any remaining peeling coating. 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. The paint will begin to peel and the shingles may become stained and they will need to be repainted. Allowing fresh siding to weather for as little as two weeks negatively affects coating adhesion.

Test results from the forest products testing lab run by the usda for the forest service show that after 12 weeks of exposure to sunlight cedar siding has lost half of its ability to hold a film forming coating system like primer and paint. Sand the cedar siding if it has a smooth finish. Use a scraper to remove loose paint from the siding working from every direction. Clean the cedar siding with a bucket of hot water and a few teaspoons of mild dish detergent.

How to prep for painting cedar siding 1. Before sanding scrape loose and flaking paint from the siding. Cedar shakes are cedar shingles that naturally weather and are resistant to decay. Prepare your cedar siding by washing it with soapy water to remove any dirt or dust if any has accumulated.