Before cleaning the exterior surface of the glass it is important to identify if you have Andersen® 400 Series products that come standard with High-Performance Low E4 glass. This type of glass has a low-maintenance exterior coating and removable protective film. The low-maintenance exterior coating is highly durable but may be damaged if abrasive or hard objects are used for cleaning.

DO NOT use metal razor blades to clean glass or remove paint/stain from the glass surface. Scratching of the exterior glass surface could damage the low-maintenance coating.

DO NOT use metal razor blades to remove the protective film. Peel back the protective film at a corner using a fingernail or a clean plastic scrapper.

DO NOT allow any sealants (including silicone) to contact the exterior glass surface. Sealants may cause damage to the exterior low-maintenance coating of the glass.

DO NOT use abrasive cleaners on any glass surface, or on the exterior of High- Performance Low E4 Glass.

To remove dust, dirt, smoke, film, soot, and salt spray, use a mild detergent and water solution and a soft cloth or brush. To remove heavy dirt or grime from glass, first wipe loose debris from the glass surface with a soft, dry cloth. Then apply a cleaning solution, such as mild soapy water, vinegar, or a liquid window cleaner, and wipe in a circular motion. Remove cleaning solution with a squeegee or a clean, lint-free cloth. As a general practice, you should never clean glass in direct sunlight.

Note: After cleaning your glass, we recommend lubricating all moving parts with a multi-purpose dry lubricant spray. Oily lubricants or harsh abrasive cleaners are not recommended.

For further details on how to clean and maintain your windows, contact our Customer Care Hotline: (02) 8254 9841.

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