Regal 3300 Owner's Manual page 231

Cosmetic Care & Maintenance
Clear Vinyl, Zipper & Snap Care
Never store canvas wet or in an unventilated, moist area. Always roll
the canvas instead of folding. This is of particular importance on side
curtains or any other part with the clear vinyl "glass". Roll the top
carefully around the bows and cover with the storage boot provided.
The clear vinyl "glass" used in side curtains, aft curtains, visors, and
camper enclosures is very susceptible to heat and cold. Keep vinyl
curtains from touching metal tubing to minimize burning the vinyl.
If the boat is stored with top, side curtains and aft curtain in place,
heat build up inside the boat may discolor the vinyl.
To clean the clear "vinyl" glass, use a solution of Ivory or Lux soap,
liquid or flakes, and lukewarm water. Allow to air dry. Never use any
type of abrasive cleaner as it will scratch the "vinyl" glass. There are
many cleaners and scratch removers on the market specifically for clear
vinyl. Handle the clear curtains carefully. They are soft and prone to
scratching.
Canvas parts are designed with zippers. When zippers are new they
can be a little difficult to use. Zip carefully without forcing the zipper
or the material. They will loosen with use. A zipper lubricant may be
used to help new zippers as well as maintaining used ones. The most
vulnerable part of the zipper is the starts. Use care when beginning to
close the zipper.
Canvas snap fasteners should be unsnapped as close to the button as
possible.
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