Spanguard- A packaged pre-moistened towelette that is applied to the glass with a cloth to create a nanotech-like protective seal. Spanguard must be re-applied every 1 to 2 years, or more often, to maintain effectiveness (No warranty available).
Diamond -Fusion (or Clearshield) – This option creates a water and oil repellent glass surface when applied to the glass. A two part application process, which creates an ultra-thin, invisible barrier, that protects surfaces from stains, corrosion, and other environmental pollutants. This option has a 10 year limited warranty, and requires some maintenance after the original application.
Showerguard. A Guardian glass product, using a patented ion-beam technology, this invisible protective coating is fused to the glass when manufacturing the glass, filling in the peaks and valleys that occur naturally in glass. Showerguard carries a Limited lifetime warranty.