Out with the old, in with the new To prepare the panel, remove the deteriorated inks from the glass. Be sure to mark the numbers' positions to correctly place them. Apply GROG paint, vinyl and adhesive lifter, which sets for 5-10 minutes. Scraping and wiping with a scrunge pad removes the old graphics. Next, rinse the piece with water to deactivate the GROG, then prep with denatured alcohol.
Translucent vinyl installs better wet than dry due to fogging problems.
The finished panel is ready to light up the owner's clock for another 40-50 years. After installation, the next step is to backcoat the piece. Spray Vinyl Tech aerosol paint in three light coats to provide the white portion of the design and create a diffusing layer. This could have been done with diffuser film, but color cutouts would create excessive air pockets, even if applied wet. Vinyl Tech works well with vinyl, and its pigments apply better, diffusing rather than blocking backlighting.