What Las Vegas contractors say about season
The clearest local statement we found is a Las Vegas Review-Journal article from March 2020. In it, the owner of Peak Pool Plastering and a sales manager at Adams Pool Solutions said spring and fall are the busiest times for replastering in the Las Vegas Valley. Their reason was that it is best to recoat when temperatures are consistently cooler than 85 degrees, since hotter temperatures can make the surface cure too quickly.
Read that for what it is. It is two contractors, both of whom sell replastering, speaking in a newspaper feature more than five years ago. They did not say summer work is off the table. They said what they prefer and why. Ask the contractors you talk to whether they take the same view, and whether their calendar changes through the year.
What the trade body says about heat
The National Plasterers Council (NPC) is the pool plastering trade association. Its hot weather page says there is no standard or specification limiting the air temperature for plastering. It says hot weather plastering is more complex than one number, and it lists five conditions to consider together: air temperature, the temperature and absorption of the surface underneath, the temperature of the materials, humidity and wind speed.
The NPC lists the problems that heat can cause: less time to place and finish the material, faster surface drying that can lead to shrinkage cracking, cold joints, and uneven color between sunny and shaded areas. It also says hot air alone may not require any change to normal procedures. The risk comes when the combined conditions affect how the crew can place and finish the surface.
For those conditions it lists measures that crews use, including:
- Wetting the surface underneath before applying the finish.
- Starting earlier in the morning and avoiding the hottest part of the day.
- Adding experienced plasterers to work faster.
- Cooling the mix water or materials, and using light-colored tarps over them.
- Using a slower setting cement or a set retardant, following the manufacturer’s guidance.
- Tenting the pool.
The NPC also says that if the evaporation rate passes 0.2 pounds per square foot per hour, precautions against shrinkage cracking are needed. You do not need to measure that yourself. It is a reason to ask what the crew does when the day is hot, dry or windy.
Why the fill matters
The NPC’s guidance on filling says the finish should be fully submerged as soon as practical, to avoid more shrinkage cracking or the finish debonding from the shell. It says some finishes, such as those with polymer modifiers, quartz or pebble, may need extra time to cure or be cleaned or polished first, usually the same day or the next. For proprietary finishes, it says to follow the manufacturer’s fill and start-up instructions.
Two questions follow. Who starts the water, and how quickly can the pool be filled? The Las Vegas Valley Water District says filling a pool raises your water use and can bring a higher bill and possible excessive use charges. It suggests draining and refilling in May or June, when excessive use charge thresholds are higher, and spreading the refill across two billing periods. That advice is about your bill, not about the plastering. It may pull against a contractor’s preference for cooler months, so ask how each contractor would plan around both.
What the first weeks involve
The start-up period depends on the finish, and the manufacturer’s written instructions are the ones to follow. As one example, Diamond Brite’s maker, SGM, says to brush the pool twice a day for the first four days with a soft nylon brush, then once a day, and to avoid salt chlorination, metal treatments and heavy bather loads for the first 28 days.
SGM’s warranty page adds that its warranty is not valid unless you register it within thirty days of installation. Pebble Technology International, the maker of Pebble Tec, also asks you to register within 30 days for its extended warranty and asks for water chemistry maintenance records with any claim. We do not publish a swim-ready date, because we found no source that sets one for every finish. Ask your contractor for it, from the finish maker’s instructions, in writing.
Questions to ask about timing
- Which months do you schedule replastering, and why?
- What do you do on a hot, dry or windy day? Do you start early, tent the pool or adjust the mix?
- Who starts the fill, and how soon after the finish goes on?
- Who does the start-up, and which manufacturer instructions will you follow for my finish?
- What does the warranty need from me, such as registering it or keeping chemistry records?
- What would delay the job, and what happens to the schedule if it slips?
Next steps
Pick the dates you can live with, then compare how each contractor answers the questions above. Our pool replastering guide covers the stages of the job, how long pool plaster lasts covers whether it is time, and the cost guide covers how to compare written quotes. For the wider picture, see our pool resurfacing overview. When you are ready, request a quote and we will connect you with a licensed Las Vegas pool contractor. We are a referral service, not a contractor, so the schedule and the work are between you and the contractor you hire.