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Burnished Cement or Polished Concrete? | Best Option for the Industrial Style?
January 27, 2024 · 18 min · 23K views
What this video covers
Marina and Michel compare burned cement (cimento queimado) and polished concrete (concreto polido) floors, drawing on hands-on experience installing both in their CAE Estúdio Criativo build — polished concrete on the ground-floor workshop and burned cement on the upper living area.0:48
Polished concrete is a structural pour: their ground-floor slab ran 10 cm thick with reinforced steel mesh (sized to support a boat), was poured and polished in a single continuous session by a specialist crew from another city, and required a large rotary polishing machine (the "bailarina") that needs a doorway at least 1.2 m wide.1:20 Expansion joints are cut deliberately to direct inevitable cracking.4:00 The floor took two days total and will last decades with minimal maintenance.16:46
Burned cement is a thin-film finish mixed from cement, white glue, and water, applied over an existing subfloor with a trowel and float in multiple coats, sanded between passes, then sealed with waterproofing.5:46 Marina and Michel did it themselves; cost came to roughly R$10 per square meter in materials.15:35 It suits walls, countertops, and smaller spaces but cracks more readily and will need touch-ups within three to five years.12:09
Both owners concluded they would choose polished concrete for a future home despite preferring burned cement's organic appearance, citing durability, ease of cleaning, and faster professional installation.17:11
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