Final TSP Cleaning and Rinsing
At 4:23 in
How to paint a shower or bathtub.
What happens here
Following the scuffing process, perform a final, thorough cleaning using TSP (Trisodium Phosphate), which is supplied in the Homax kit. Mix the TSP powder with 1 gallon of warm water in a bucket, according to the product's instructions. Use a clean sponge or cloth to apply the TSP solution, wiping down all shower surfaces. Repeat this TSP cleaning step a second time to guarantee the complete removal of any lingering sanding dust, chemical residues, or hidden grime. After two rounds of TSP cleaning, rinse the entire shower meticulously with clean water, ensuring no TSP residue remains. Allow the shower to dry completely, ideally for a full day or overnight, before proceeding to the painting stage. During this step, the shower head and knobs should also be removed to allow cleaning and painting behind them.
Goal: Remove all sanding dust and remaining contaminants, leaving a perfectly clean surface for painting.
Tools and materials
- Bucket — Mixing TSP solution and holding rinse water, Rubber Gloves Unknown
- TSP — Heavy-duty cleaning and degreasing, Warm Water Tap water used for Mixing with TSP
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