Yes, plastering a full wall is hard for beginners. The plaster begins to set within a short window, and getting a smooth, flat finish takes practice with the trowel, the mixing ratio, and the timing.
Common beginner challenges:
- Mixing plaster to the right consistency
- Working fast enough before it starts to harden
- Avoiding ridges, trowel marks, and uneven patches
- Applying the right thickness on each coat
Small repairs are a much better place to start. Patching cracks or skim coating a small section lets you learn the process without risking a whole room. Pre-mixed patching products are more forgiving than traditional mixes. For large walls, ceilings, or a finish you want to look flawless, hiring an experienced plasterer usually saves time and prevents costly redo work.