Some contractors will try to do the job right and cover nail holes and spaces with some type of spackle. Again, covering nail holes gives trim a smooth appearance. Over time, however, spackle turns yellow. Resultantly, the yellow, aging spackle will stand out boldly. For example, it does a great job of withstanding UV rays.
For instance, you might notice damage to your PVC trim around high-traffic areas outside your home. Still, PVC trim has a unique property. You can fix damage to the trim with heat. You can also feel gouges and dents with manufacturer-recommended putty. As you can see, there are plenty of reasons why you may want to paint your PVC trim. Resultantly, paint lasts much longer on the material than it does on wood trim. Secondly, you may wonder how long it takes PVC trim to dry.
When you paint PVC trim, it will dry fast. However, it might take 30 days for the paint to fully cure. However, it accepts and holds paint well. Also, the paint should have a light reflective value LRV of 55 or higher. If you choose dark colors, the paint should have an LRV of 54 or lower.
Light-to-medium paint has an LRV of 55 or higher. These are the colors recommended for PVC trim. You do NOT have to prime it first. Sherwin Williams seems to be the most knowledgeable paint supplier when it comes to PVC, and they are the only brand we recommend. So make sure to buy from them if there is one in your area. These specialty primers can be found at hardware stores or paint stores. They can also be sourced online. This is a very important step because on its own, latex paint will not stick to PVC.
Allow the primer to dry thoroughly. If you cannot remove the trim, mask off the area with tape before beginning to paint. Brush on the dark-colored latex-paint top coat of your choosing, as this is the best paint for PVC trim. Allow it to dry and paint on a second coat for more durability.
Fill small holes with an exterior filler and lightly sand it smooth after it dries. Or use a paintable caulk and smooth it with your finger. Fill larger holes or damaged areas with auto body filler, and again, sand it after it cures. Sand the scratch with grit or finer sandpaper. Mix a mild, non-solvent-based detergent into clean water. Examine the area to see if the scratch is still visible. Apply some prepared filler to a putty knife. Wipe off any remaining excess filler with a damp cloth.
You can cut PVC lumber with conventional wood saws, but you glue boards together in the same way you glue PVC pipes: by using solvent-weld cement. The cement softens the plastic and actually fuses the boards you are joining into a single piece. PVC trim is waterproof. It's just like the white water pipes used for plumbing in lots of homes. It's nearly indestructible, but it can be cut and nailed just like ordinary molding. For all intents and purposes, quarter-round PVC trim is the best option for showers.
Make sure to wipe down the Azek with denatured alcohol to clean and properly prepare the surface before painting. When selecting colors, lighter is better. Be careful not to damage the visible surface of the board. To seal cut edges or clean a cut edge that has gotten dirty, sand them with grit sand paper, and then wipe the edges with Acetone—this will help to re-seal the cells. Artificial wood made from polyvinyl chloride isn't porous like real wood, so penetrating stains can 't sink in, but that doesn't mean you can 't stain it.
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