
Surface Grinding
We prepare the surface so the coating bonds: levelling, pore opening and removal of old paint or epoxy.
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We restore shine, flatness and service life with progressive mechanical polishing and sealing.
A polished floor is not a waxed floor. Progressive mechanical polishing closes the material's pore with ever finer grits until the surface reflects by density, not by a layer that scratches within a month. It is a finish that lasts, cleans easily and takes heavy traffic.
GPC Construcciones polishes concrete, marble, granite and terrazzo in Tijuana. We work both new slabs — exposed polished concrete for plants, retail and offices — and the restoration of existing floors that lost shine, stained or went out of level.
The full grit sequence: grinding, honing and polishing, with no steps skipped.
Architectural finish on new slabs, with aggregate exposure to the depth the project calls for.
We bring back the shine on worn marble, granite and terrazzo, including stains and deep scratches.
Lithium hardener and penetrating sealer to close the pore and resist staining.


We prepare the surface so the coating bonds: levelling, pore opening and removal of old paint or epoxy.
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We cut reinforced concrete of any thickness with blades, wire and wall saws — no percussion, no damage to the structure that stays standing.
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Diamond cores from 1" to 24" in slabs, walls and foundations, at any angle and to the depth the project needs.
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Tell us what needs opening, drilling or demolishing. We reply with method, schedule and a clear price.