Wood filler —how they’re are made, when you should use them, and the pros and cons of each — including their outdoor performance and expert tips. You cant always understand this difference by reading the manufacturers labels because each manufacturer uses the terms filler and putty differently. This means you can use it on outdoor wood furniture. · let’s clear up the confusion right now: Hence not waterproof. If finished, use wood putty. Its pliability makes it suitable for use in exterior settings where expansion and contraction are a concern. The key difference between wood filler and wood putty is that wood filler is used for unfinished wood and wood putty is for finished wood. If so, use wood filler. Wood putty is best for repairing cracks and small holes on finished woodwork. Wood fillers can be sanded and stained and are best used on unfinished woodwork. · wood filler is mainly made up of wood fibers and sawdust that are suspended inside a binder. Do i need to sand or stain the wood? Wood filler is a solution of fibers (typically wood byproducts) and hardening resins intended for filling imperfections in wood pieces that havent yet been finished. Wood filler dissolves in water; We’ll define each, explore its pros and cons, and pinpoint the exact scenarios where each product shines. · in this article, we’ll break down everything you need to know about the debate of wood putty vs wood filler. Using the wrong product leads to finish failures, poor adhesion, and repairs that telegraph through the final finish. Unlike the wood filler , wood putty is plastic in nature (polyurethane), so it is waterproof. Wood filler is often used as a term describing all sorts of. If you need to choose which product to use, ask yourself the following questions to help you decide. · in this comprehensive guide, we’ll explain everything you need to know about wood putty vs. · while the chemical formula of wood putty can damage exposed wood, wood filler is made to bind directly to the natural wood and doesn’t need stain before application. Is the wood unfinished or finished? See full list on thespruce. com Most wood filler is stainable, making it easy to cover imperfections filled with. Wood filler and wood putty are both useful and valuable products to have on hand. Unlike wood filler , wood putty stays pliable after application. Wood putty is a pliable mixture of chemicals and colorants thats intended for filling imperfections in wood items that have already been finished. Wood putty cant be sanded an. · wood filler and wood putty serve different purposes in finishing and repair work. Here’s how to choose correctly. Wood filler hardens quickly after application, allowing it to be sanded flush with the wood s surface. If unfinished, use wood filler.