### Wood Moisture Content and Painting Moisture Mapping is a crucial process in preparing wood surfaces for painting. Paint can only adhere properly to wood that contains a specific moisture content. ### Ideal Moisture Content for Wood Before Painting Before painting, the moisture content of wood should be between 8% and 12%. This range ensures that the wood is stable and less likely to warp, crack, or peel after painting. * **For exterior surfaces:** The moisture content should be closer to 12% to withstand outdoor conditions. * **For interior surfaces:** The moisture content should be near 8% to match typical indoor humidity levels. ### How to Measure Wood Moisture Content Moisture Mapping can be performed using moisture meters. These devices provide accurate readings of the moisture content in wood. **Steps for Moisture Mapping:** 1. Insert the probes of the moisture meter into the wood. 2. Read the display for the moisture content percentage. 3. Mark the areas with high or low moisture content for further treatment. ### Controlling Moisture Content If the wood moisture content is too high, it should be dried out by exposing it to warm, dry air. If the wood moisture content is too low, it should be moistened using humidifiers or spraying it with water. By using Moisture Mapping, painters can ensure that the moisture content of wood surfaces is optimal before painting, leading to a durable and successful paint job.