Jul 22, 2025 · Learn the best techniques on how to thin Bondo effectively. Our expert guide ensures a flawless consistency for your automotive or DIY projects.

In this guide, you’ll discover simple, effective ways to thin Bondo using common materials like acetone, so your auto body repairs or DIY projects become faster and more precise.

Feb 3, 2022 · How Do I Thin Bondo? The best product you should use to thin Bondo is polyester resin. It makes Bondo softer and ensures an easier spread. Polyester resin is the best choice out of all the …

Sep 16, 2024 · If you’re working with body filler for the first time, or if you’ve never had great results with it in the past, this guide is for you. We’ll show you how to properly thin body filler so that it goes on …

Mark Simpson explains why many body fillers get firm over time and how thinning bondo can return it to a more workable condition. …...more

Oct 3, 2023 · To thin bondo, add small amounts of the recommended solvent or thinner while stirring. Test the consistency with a putty knife or spreader and continue adding solvent until it reaches the …

Aug 23, 2023 · To thin Bondo body filler so that it is easier to apply, mix some reducer into the mixture until you reach the desired consistency. Start by adding small amounts of reducer at a time – about 5 …