A stained, rough, or chipping pool surface forces a decision that most homeowners would rather put off. The plaster feels gritty underfoot, the color has gone blotchy, and a few hairline cracks have started showing near the steps. The question is no longer whether to do something, but which fix actually solves the problem without costing more than it should. The right answer depends on how far the damage has gone, how long you plan to keep the pool, and how much disruption you can tolerate.

Should you patch the damage or resurface the whole shell?

Patching is tempting because it is cheap and fast. If you have one small spalled spot or a short crack in otherwise sound plaster, a spot repair can buy you a few more seasons. The trouble is that patch material rarely matches the surrounding surface in color or texture, so you end up with a visible blotch that announces the repair. More importantly, isolated damage is often a symptom of a surface nearing the end of its life. When you see multiple stains, delamination, or roughness across the whole floor, patching is a band-aid on a shell that needs a full resurfacing. Paying twice within two years is the most common regret here.

Is standard plaster still the smart choice, or has aggregate earned its premium?

Traditional white plaster remains the most affordable full resurface, and for a homeowner on a budget it does the job. The trade-off is lifespan: standard plaster in the Pacific Northwest’s freeze-and-thaw swings typically shows wear in roughly seven to twelve years. Aggregate finishes, which blend quartz or pebble into the plaster, cost more upfront but resist etching and staining far better and often last noticeably longer. They also hide minor imperfections that show plainly on a smooth white surface. If you plan to stay in the home and want fewer resurfacing cycles over the decades, the aggregate premium usually pays for itself.

Does a full tile finish justify the jump in cost?

Tile sits at the top of the price ladder, and for a reason. A fully tiled interior is the most durable finish available and the easiest to clean, and it can last decades with minimal degradation. The catch is the cost, which can run several times a plaster job, and the installation time. For most homeowners, full tile is overkill for the whole shell. The common middle path is a waterline tile band paired with a plaster or aggregate interior, which gives you the durability and clean look where it matters most without tiling the entire pool.

When does replastering beat a decorative overlay?

Decorative overlays and coatings promise a fresh look without chipping out the old surface, and some are genuinely attractive. But they depend on a sound substrate; applied over a failing shell, they fail with it. When the existing plaster is delaminating or the shell has structural cracks, a proper chip-out and replaster addresses the real problem instead of hiding it. A regional crew such as Pool Replastering West Linn can assess whether your substrate can carry an overlay or whether a full replaster is the honest call, which is a judgment worth getting before you commit money to a surface treatment that might not hold.

Can you DIY any of this, or is a professional crew the only real option?

Small cosmetic patches are within reach for a confident homeowner. Beyond that, the honest answer is no. Plaster work is unforgiving: it cures fast, demands consistent mixing and troweling, and shows every flaw once the pool fills. A botched application leaves streaks, trowel burns, and early failures that cost more to strip and redo than hiring a crew would have in the first place. Aggregate and tile work require specialized tools and experience most weekend projects can’t fake. DIY saves labor on the smallest jobs and loses money on the large ones.

Which trade-off actually fits your pool, your climate, and your wallet?

There is no single best method, only the best match for your situation. Patch minor damage, replaster when the whole surface has aged out, and spend up for aggregate or waterline tile if you value longevity in a climate that punishes cheap finishes. Match the investment to how long you’ll own the pool, and let a professional handle anything past a small repair.