What They Are
Polyurea and polyaspartic coatings are related chemistries. Many residential systems use a polyurea or polyaspartic base coat with a decorative flake broadcast and a clear polyaspartic topcoat. HomeGuide prices polyurea at $5–$10 and polyaspartic at $5–$12 per square foot installed, compared with $4–$10 for epoxy (HomeGuide).
Why Installers Like Them
- Speed. HomeGuide says polyaspartic is often installed and cured within one day, with some jobs taking two. Polyurea is ready for foot traffic in 1–2 days, with driving on it in about 3.
- UV stability. They resist yellowing better than most epoxies, which helps when the garage door faces the sun.
- Flexibility. They are less brittle than epoxy, a plus on a slab that moves with temperature swings.
- Wider temperature range. Many can be applied in cooler conditions than epoxy. The product data sheet sets the minimum.
Trade-Offs
- Higher material cost.
- Fast set times leave little room for mistakes, which makes them a poor DIY choice.
- Prep still decides everything: a fast coating on a poorly ground slab will still peel.
Lifespan
HomeGuide lists polyurea and polyaspartic systems as lasting 10 to 20+ years, compared with 3 to 20 for epoxy, depending on the type. Ask installers what their own warranty covers (peeling, hot-tire lift, staining) and for how long.
Questions for the Installer
- Which product line and how many coats?
- What is the total film thickness?
- Is the topcoat polyaspartic?
- What are the minimum temperatures, and how will you check slab moisture?
Request a Garage Floor Coating Quote
Two quick questions. An independent coating company that works in your area will contact you to look at the slab and quote it.
Please note: Sioux Falls Garage Floor Coatings refers homeowners to independent coating installers. We are not a contractor.