Plywood offers a cost-effective, strong subfloor and can also be finished attractively when sealed. Use exterior- or water-resistant products and proper membranes in wet areas, and follow local code for thickness and fastening.
Practical steps for bathroom tile design and installation: pick suitable tiles, prepare the substrate, match adhesive and grout to the application, follow safe cutting and layout practices, and consult professionals for complex jobs.
A concise, modern checklist for small bathroom remodels: plan layout, inspect the sub-floor, gather tools and materials, coordinate finishes, and confirm lighting and ventilation. Prioritize structure and local permits to avoid delays.