rubbing brick

rub brick

A silicon carbide brick used to smooth and remove irregularities from hardened concrete surfaces.
References in periodicals archive ?
If you have a lot of visible cuts on your floor tiles an d need to dress the cut to produce a smooth edge, simply use a rubbing brick to perfect and smooth off the cut edge.
RELEVANT PRODUCT Rubbing brick A rubbing brick is used for grinding and is ideal for cleaning or dressing floor tiles, especially for dressing the cut edge of a tile.