Does densifier seal concrete completely?

No. It makes concrete less absorbent, but many floors still need a sealer against stains.

Can densifier be reapplied after years of wear?

Often, after cleaning and light refinishing. Some floors need a full re-polish instead.

Stone care glossary · Sealing & protection

A densifier is a liquid hardener that reacts with concrete to stop dusting and help it take a polish.

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Sealing & protection

Definition

It soaks in and hardens the surface, and it's a standard step in polishing concrete. Too much, or the wrong type, can leave streaks.

Why it matters

Floors that weren't properly hardened, or were cleaned with the wrong products, end up waxed over or reground too soon.

Common mistakes

Next steps

Stone problem

Honing and polishing that bring back the shine on dull floors, counters, showers, and lobbies.

Service

Bring back an even shine on dull stone.

Service

Sealers that slow staining on stone and grout.

Related terms

Polished concrete is a concrete floor that has been hardened and ground to a set shine.

An impregnating sealer soaks into stone so it absorbs less, without leaving a film on top.

A polished finish is a glossy, highly reflective stone surface.

FAQ

Free quote

Send us a photo. We'll tell you whether it's etching, a stain, wear, or something structural, and quote the repair.

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