Polished Concrete in Castro Valley

How we polish

We grind the slab in stages with finer diamonds, apply a densifier to harden it and polish to matte, satin or gloss. A guard finish helps resist stains.

Why it suits damp slabs

Because there is no film on the surface, polished concrete is less sensitive to moisture coming up from below than a coating. For hillside homes with damp slabs, it can be a smart alternative.

Where it works

Lower-level rooms, offices, retail spaces and studios.

What it shows

Polishing reveals cracks, patches and color variation. Some people love that look; others prefer a coating.

Lower-level rooms

Many homes here have a downstairs room built on the slab. Polishing that slab instead of laying carpet gives a durable surface that tolerates a bit of seasonal dampness better than a glued-down floor.

Workshops and garages

For a hobby woodshop or a garage used as a studio, a densified and lightly polished floor stops concrete dust from mixing with sawdust, and it does not mind a dropped chisel the way a glossy coating might.