| Many
refinishers use a corrosive acid, usually hydrofluoric acid, to chemically “etch” a porcelain or ceramic tile
surface in order to allow the new coating to “stick.” Hydrofluoric acid is so strong that it actually eats away
the porcelain, creating “pits” and a rougher area for the new coating to hold onto. Corrosive materials, like hydrofluic acid, are dangerous and can cause burns to the technician using
them. Acid can cause damage to fixtures, surrounding carpet or floors, if misused. It is also corrosive to pipes if not properly
neutralized before pouring down a drain … the typical method of disposal. If acid etching is used in your home or business,
be sure the technician is covered by workman’s comp, and not your homeowner’s policy!
Acid etching can fail because even the smallest amount of moisture under the new
finish, at the tub’s edge or around the drain, can blister and force the new finish to let go and peel .... and continue
to peel as moisture works its way underneath the finish. |
