We offer cleaners for glass called Plexus, AquaTech, and 210.
Silicone is a zipper and hardware lubricant.
It prolongs the life of a zipper. Canvas should be cleaned as described below and retreated with a water repellent like 303 Fabric Guard recommended by Sunbrella or Aqua- Tite . When canvas is new it is already treated and we spray all the seams upon installation. Click for more details on the water repellent products.