Polyurea Coatings — Fast-Cure Floor & Waterproofing Membranes
Polyurea and its slower-cure cousin polyaspartic are used when downtime is the enemy: cold-store floors, plant rooms, roofs, tanks and bunds. We install spray and roller-applied systems where an epoxy would cure too slowly or fail under thermal shock.
Where this works
- Cold-store & chilled floors
- Plant rooms & mechanical spaces
- Water tanks, bunds & secondary containment
- Flat roofs & balcony waterproofing
- Loading docks & fast turnaround retail
How we install it
- 1Substrate prep
Diamond grinding or captive shot-blasting to CSP3–CSP4, edges chased, primer selected for moisture level.
- 2Primer
Epoxy primer for concrete, MMA primer for tight windows, moisture-tolerant primer for damp substrates.
- 3Main coat
Spray-applied polyurea for continuous membranes, or roller-applied polyaspartic for floor coatings. Elastomeric grades bridge hairline cracks.
- 4Detailing
Upstands, gullies, drains and penetrations are dressed with reinforcing scrim so the membrane stays continuous under movement.
Common pitfalls we prevent
Frequently asked
When would I use polyurea over epoxy?+
When you need to be back in service in hours instead of days, when the floor moves (crack-bridging), or when the space is too cold for epoxy to cure — polyurea is largely temperature-independent.
Is polyurea the same as polyaspartic?+
Polyaspartic is a slower-cure, roller-applicable subset of polyurea chemistry. It's what we usually use for floors; spray polyurea is used for membranes and containment.
Can you re-coat old polyurea?+
Yes — we abrade or lightly grind, apply a tie-coat and add a fresh build. Adhesion tests on a small area confirm compatibility.
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