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MAINTENANCE
CLEANING AND MAINTENANCE GUIDELINES FOR POLYCARBONATE WINDOWS
CLEANING INSTRUCTIONS
DO NOT USE GASOLINE
Adherence to regular and proper cleaning procedures is recommended to preserve appearance and
performance.
Washing to Minimize Scratching
Wash polycarbonate windows with a mild dish washing liquid detergent and lukewarm water, using a clean
soft sponge or a soft cloth. Rinse well with clean water. Dry thoroughly with a moist cellulose sponge to
prevent water spots. Do not scrub or use brushes on these windows. Also, do not use butyl cellosolve in
direct sunlight.
Fresh paint splashes and grease can be removed easily before drying by rubbing lightly with a good grade of
VM&P naphtha or isopropyl alcohol. Afterward, a warm final wash should be made, using a mild dish washing
liquid detergent solution and ending with a thorough rinsing with clean water.
Minimizing Hairline Scratches
Scratches and minor abrasions can be minimized by using a mild automobile polish. Three such products
that tend to polish and fill scratches are Johnson Paste Wax, Novus Plastic Polish #1 and #2, and Mirror Glaze
plastic polish (M.G. M10). It is suggested that a test be made on a corner of the polycarbonate window with
the product selected following the polish manufacturer's instructions.
Some Important "DON'TS"
• DO NOT use abrasive or highly alkaline cleaners on the polycarbonate windows.
• Never scrape polycarbonate windows with squeegees, razor blades or other sharp instruments.
• Benzene, gasoline, acetone or carbon tetrachloride should NEVER be used on polycarbonate windows.
• DO NOT clean polycarbonate windows in hot sun or at elevated temperatures.
Graffiti Removal
• Butyl cellosolve, (for removal of paints, marking pen inks, lipstick, etc.)
• The use of masking tape, adhesive tape or lint removal tools works well for lifting off old weathered paints.
• To remove labels, stickers, etc., the use of kerosene, VM&P naphtha or petroleum spirits is generally
effective. When the solvent will not penetrate sticker material, apply heat (hair dryer) to soften the
adhesive and promote removal.
• GASOLINE SHOULD NOT BE USED!
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