Published April 1, 2026
If you manage a commercial property in the Omaha area, your parking lot is one of the largest concrete surfaces you are responsible for. It takes a beating every single day from vehicle traffic, oil drips, UV exposure, and Nebraska winters. Sealing protects that surface, but how often should you actually do it?
The short answer: most commercial parking lots should be sealed every 2 to 5 years. But the real answer depends on a few specific factors that vary from property to property.
Different sealers last different amounts of time. Penetrating sealers like silane and siloxane typically hold up for 5 to 10 years because they bond chemically below the surface and are not worn away by traffic. Acrylic film-forming sealers sit on top of the concrete and wear faster, usually lasting 1 to 3 years depending on conditions. High-performance coatings like polyaspartic or epoxy can go 5 to 10 years or more, but they are more common on interior floors and garages than open parking lots.
A parking lot at a busy retail center with hundreds of cars per day will wear down a sealer faster than a lot at a small office building. High-traffic areas like entrances, drive lanes, and loading zones tend to need attention sooner than the rest of the lot. Some property managers choose to reseal just the high-wear areas on a shorter cycle rather than doing the entire lot every time.
This is a big one for properties in Nebraska and western Iowa. Our freeze-thaw cycles are brutal on concrete. Water seeps into the surface, freezes, expands, and cracks the concrete from the inside out. Deicing salt accelerates that process by increasing the number of freeze-thaw cycles the surface goes through in a single winter. Properties that are heavily salted may need more frequent sealing to maintain protection.
New concrete that is sealed shortly after curing will hold up longer than old, worn concrete that has already started to deteriorate. If the surface is already showing signs of scaling, spalling, or micro-cracking, the sealer may not last as long because it has less intact material to bond to.
| Sealer Type | Typical Reapplication | Best For |
|---|---|---|
| Silane / Siloxane | Every 5-10 years | Exterior parking lots, sidewalks |
| Acrylic | Every 1-3 years | Entryways, decorative areas |
| Polyaspartic / Epoxy | Every 5-10+ years | Garages, warehouse floors |
These ranges depend on traffic, climate, and maintenance conditions.
Rather than relying solely on a calendar, you can also look for physical signs that the sealer is wearing off:
Yes. A thorough pressure wash is recommended before any sealing application. Dirt, oil, and residue from the old sealer can prevent the new product from bonding properly. Cleaning the surface first is one of the most important steps in getting a good result.
The best practice is to have your parking lot inspected annually, ideally in the spring after winter damage has had a chance to show itself. A quick walkthrough can identify areas that need attention before they turn into bigger problems. It is far cheaper to reseal a section of a lot than to repair structural damage caused by years of water infiltration.
For most commercial properties in the Omaha metro area, a penetrating sealer applied every 5 to 7 years is a solid maintenance strategy. High-traffic lots or properties with heavy salt use may benefit from a shorter cycle. The cost of regular sealing is a fraction of what you would spend on concrete repair or restoration down the road.
If you are not sure when your lot was last sealed, or you want an assessment of its current condition, reach out for a free quote. We will walk the property with you and give you an honest recommendation.