Fill and Finish Crack Grooves
At 0:33 in
Cool tools, chasing cracks! 🛠️⭐️ #resinousfloors #prepright #garagefloors #torginol #epoxyfloor
What happens here
Once the cracks and saw cuts have been successfully widened by crack chasing, the next phase involves filling and finishing them. First, partially fill the deepened V-grooves with sand. Following this, pour polyurea filler over the sand, ensuring it completely fills and slightly overfills the grooves. Use a trowel to evenly spread and level the polyurea filler, ensuring a smooth surface. After the polyurea filler has fully cured according to manufacturer specifications, use a grinder to grind down any excess filler, making it perfectly flush with the surrounding concrete surface. This meticulous filling and grinding process makes all the saw cuts and cracks visually disappear, creating a perfectly seamless and polished base for your final resinous floor coating.
Goal: Create a smooth, level, and seamless surface over filled cracks and saw cuts.
Tools and materials
- Grinder — Grinding the cured polyurea filler flush with the concrete surface
- Hepa Vac — Dust extraction during grinding (if not already connected to the grinder)
- Trowel — Spreading and leveling the polyurea filler
- Polyurea filler — Filling and sealing the prepared cracks and saw cuts
- Sand — Partially filling widened cracks before applying polyurea filler
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