Trisodium Phosphate, often abbreviated as TSP, serves as a cleaning agent when preparing wood surfaces for refinishing. The concentration of TSP within a water solution dictates its effectiveness. Too weak a solution may not properly degrease and remove residues, while an overly concentrated solution can leave behind a problematic residue of its own, potentially interfering with subsequent finishing steps.
Properly preparing wood for refinishing enhances adhesion of new finishes and improves the overall longevity of the finished project. Historically, TSP was widely used, but environmental concerns have led to the development of phosphate-free alternatives. Understanding the correct proportions is essential to achieving optimal results and avoiding potential damage to the wood or the environment.