Explore a detailed polyurethane waterproof paint construction case. Learn best practices for surface prep, PU coating application methods, curing, and achieving a durable, seamless waterproof membrane for roofs, terraces, or basements.

Step 1: <br />Plugging and Leveling<br />Remove bumps on walls and floors, sweep the ground, <br />and keep it dry, sand-free, and dust-free. Step 2: <br />Substrate Treatment<br />Plug and level the leaks at the roots of floors, <br />wall joints, and pipes. Step 3: <br />First Coat Application<br />For the first vertical coat, apply from top to <br />bottom and from inside to outside. Wait for 3 to 5 hours to allow it to dry. Step 4: <br />Second Coat Application<br />After curing, start applying the <br />second coat horizontally. Conduct a water storage test after 48 hours.

Step 1: <br />Substrate Treatment<br />Clean the surface and sand the rusted areas.<br />Rinse the Surface Step2：<br />Apply the First Coat of Reflective <br />Heat Resistant Paint Wait for 2 to 4 hours for complete drying. Step3：<br />Apply the Second Coat of Reflective <br />Heat Resistant Paint Significant Heat Insulation Effect