Polyvinyl acetate -- or PVA -- is a versatile chemical compound with a wide range of uses. It is a fast-drying, water-thinned bonding agent that is most commonly used as a sealer before painting a concrete floor with enamel or epoxy-based paints. PVA is environmentally safe and meets UK environmental standards, making it the preferred concrete sealer for home and commercial use.
- Skill level:
Things you need
- Scraper or wire brush
- Vacuum cleaner
- Trisodium phosphate cleaner (TSP)
- Scrubbing brush
- Polyvinyl acetate
- Wide paintbrush
- Paint roller and roller pan
Clear the floor area of any equipment or furnishings.
Remove any debris from the concrete surface with a scraper or wire brush.
Sweep and vacuum thoroughly to clean the floor area.
Apply a solution of trisodium phosphate cleaner, mixed according to the manufacturer's directions, and use a scrub brush to remove any oil, grease or other stains from the concrete surface. Rinse the floor thoroughly with clean water.
Fill a roller pan with PVA, full-strength or diluted according the manufacturer's specifications for your application, and use a paint roller to coat the concrete surface with an even layer in overlapping strokes. Cut-in the PVA solution next to any steps or walls where the roller does not reach.
Allow the floor to dry for at least two to three hours. If you're applying a second coat of PVA, allow the area to dry for six to 12 hours between coats. The floor should cure for a minimum of 24 hours before replacing equipment or furnishings.
Tips and warnings
- Clean up with warm water.
- PVA concrete floor sealer is best applied when the concrete floor temperature is 15C to 20C.
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