![]() The elements don’t affect the putty’s working. If used on outdoor wood, it will adjust to changes in the wood’s size and shape occasioned by weather changes. Wood putty is usually ideal for outdoor projects due to its flexibility. Wood putty is weatherproof wood filler is not Often, you can add one more coat of urethane after applying the wood putty for a perfect-looking finish. Just ensure you wipe the excess putty with a damp cloth. With that, the nail holes and minor imperfections on the finished wood will disappear into the wood. You need to observe the final color of your project and match it with a suitable wood putty color. Its flexibility also allows you to apply it to a finished project after staining and applying a topcoat. ![]() Thankfully, wood putty comes in various colors, so you only need to find a matching color for your project. The texture also means you cannot paint over it successfully. Wood putty remains flexible and doesn’t support sanding due to its malleable texture. No matter what you do, it won’t stain the same color as the surrounding wood. If it forms a blotchy finish around the filled area, you are better off with a wood putty instead. Wood stain interacts differently with fillers. Still, it is recommended that you do a quick test on a piece of scrap wood to see how it works. Again, you will want to check the label on the product to see if it supports staining. The texture also allows painting or coating over wood filler after sanding it.Ĭan wood putty be stained? Some wood fillers also accept staining, though nearly all are designed to be painted. Since wood filler dries hard, you can generally sand it after it has dried to create a smooth surface flush with the rest of the wood. Wood putty does not accept sanding and refinishing (See more on how to fill a drill hole in wood). However, it doesn’t provide adequate structural support due to its pliability. In contrast, wood putty is more suitable for filling smaller cracks and nail or brad holes. And, this paste doesn’t harden, unlike wood filler.īecause it dries hard, wood filler is ideal for large cracks in a wood project as it provides some structural support. The latter is generally a paste or plastic such as fiberglass, epoxy, or polyurethane. Wood filler usually contains sawdust or wood fibers suspended in a binder, missing in wood putty. ![]() Wood filler dries hard while wood putty never hardens This section explains the difference between the two products in detail. While the two products share some roles, putty and wood filler are far from identical. Many people use the terms wood putty and wood filler interchangeably, which is a mistake. Difference Between Wood Filler and Wood Putty In addition, the putty comes in a wide variety of wood stain colors and tones, so you can choose a color that perfectly matches the surrounding wood. Using wood putty after finishing the wood helps you avoid such outcomes. Sometimes the wood fillers contain resins and chemicals that get into the wood pores preventing the stain from getting in. This can lead to a big blotch on the wood. If you used a filler on unfinished wood then stained it afterward instead, you would likely end up with a blotchy spot. For example, a hard-drying wood filler that doesn’t change shape would likely cause the wood to crack as it contracts.Īdditionally, wood putty is used on finished wood. The flexibility of the best wood putty for nail holes also prevents wood putty from damaging the wood. If you fill a nail hole, a gouge, or a crack in a piece of outdoor wood with it, it will adjust to all the changes, making it durable and reliable. As you shop for the best wood filler to use on plywood edges, be mindful of the filler’s flexibility and suitability for outdoor applications to ensure your repair stands up to the rigors of the environment. If you used a hard wood filler on such an outdoor project, it would not adjust to the wood’s changing size and shape, potentially causing it to break away. Outdoor wood is exposed to extreme weather elements causing significant expansion and contraction. For starters, the flexibility prevents putty from breaking away from the wood during expansion and contraction. The non-hardening wood putty can be highly advantageous in many ways. Benefits of Wood Putty’s Non-hardening Behavior Additionally, they make the product dry into a more solid form than standard wood putty. These hardeners make wood putty dry faster. Still, you can induce wood putty hardening by adding a suitable hardener. The product doesn’t contain sawdust that would solidify into a compact material when dry. Wood putty doesn’t harden because it consists of pliable synthetic resins whose chemical structure doesn’t harden over time.
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