Upon receipt of your new sign, Cornerstone Companies LLC
recommends that you wax your entire sign's painted
structures ( cabinet, legs, cowling, trim, etc.) with a high
quality automotive wax such as Turtle Wax. It is recommends
that you wax your sign once each year to maintain your
To remove dust and fingerprints from your sign's surfaces,
it is recommended that you use a mild cleaners such as Joy,
or any other high quality mild soap cleaner. Rinse with
water. The use of Formula 409 to clean your sign is also
fine to use.
Never use any harsh cleaners or thinners such as lacquer
thinner. These will harm your sign's painted surfaces.
CLEANING LEXAN VANDAL COVERS
Rinse with lukewarm water. Wash with warm water and
mild soap using sponge or soft cloth. Do not scrub or
use hard bristle brushes. Repeat, rinse and dry.
Recommended cleaning agents - Formula 409, Palmolive soap,
Windex with Ammonia D, Top Job, and Joy.
Never clean with Butyl Cellosolve, Isopropyl Alcohol,
Lysol, or Pinesol.