June 2026 · Sealcoating
When Should You Sealcoat a Parking Lot in Oklahoma?
Short answer: every 2–3 years, between April and October, and always after crack filling. Here's the reasoning, so you can sanity-check anyone who quotes you something different.
Why Oklahoma is hard on asphalt
Asphalt is held together by a petroleum binder, and two things destroy that binder: UV and water. Oklahoma supplies both generously — long, high-sun summers that dry the binder out, and freeze-thaw winters where water in every crack expands like a wedge. An unsealed lot grays out, goes brittle, and starts cracking years ahead of a maintained one.
The 2–3 year cycle
Fresh sealcoat is a sacrificial layer — it takes the UV and traffic so the asphalt underneath doesn't. It wears off over 2–3 years, faster in drive lanes and high-turn areas. Re-sealing on that cycle costs pennies per square foot. Letting a lot run bare until it cracks costs repaving money — routinely ten times more, and it always seems to come due in the worst budget year.
Why the calendar matters
Sealer is water-based and needs to cure: dry pavement, daytime temps in the 50s°F or better, and no rain or freezing nights during the cure window. In practice that means April through October in Oklahoma. Crews that spray sealer outside that window are giving you a coat that flakes by spring — it's why we'd rather reschedule than apply in marginal conditions.
The step you can't skip
Crack filling comes first, every time. Sealcoat is a sunscreen, not a stitch — it shields the surface but doesn't close openings. Hot-applied crack sealant, priced by the linear foot, closes the water's entry points; then the sealcoat protects everything else. Sealing over open cracks just hides the damage while it compounds.
The easy way to stay on cycle
Most owners don't track when the lot was last sealed — that's what the RemarkaPave Care Plan is for. Protect Care puts sealcoating on an automatic 2–3 year cycle with the cost amortized, so it's a line item instead of a surprise. Or start with a free RemarkaReport™ and find out exactly where your lot stands.