What are the best practices for applying self-leveling underlayment on plywood to ensure a smooth and even surface for flooring installation?

To apply self-leveling underlayment on plywood for a smooth surface, follow these best practices:

1. Prepare the plywood surface by cleaning it thoroughly and repairing any cracks or holes.
2. Prime the plywood with a suitable primer to promote adhesion.
3. Mix the self-leveling underlayment according to the manufacturer's instructions.
4. Pour the underlayment onto the plywood surface and spread it evenly using a gauge rake.
5. Use a spiked roller to remove air bubbles and ensure a level surface.
6. Allow the underlayment to dry completely before installing flooring.