FAQ & Myths


Frequently Asked Questions

Click on a question below to read the full answer.
June 3, 2020

How do I clean the filmed surface after installation?

Window films may be washed with common washing solutions (including ammonia-based products) thirty days after installation. Abrasive cleaning agents and bristle brushes which would scratch the film cannot be used. Synthetic sponges, squ...

June 3, 2020

Will my furniture fade be reduced?

Furniture / fabric fade is caused by multiple factors according to the International Window Film Association. 10% of fading is caused by miscellaneous factors (i.e. fabric color, material, etc). 25% is caused by heat. 25% is caused by...

June 3, 2020

Will my energy costs decrease?

The amount of money saved depends upon the type of film chosen and certain property-specific variables (location, climate, existing energy costs, HVAC system, etc). After obtaining some basic energy unit costs for a given building, we...

June 3, 2020

What is the life expectancy of window film?

The life expectancy of interior window film is dependent upon multiple variables (climate, exposure to sun, etc). The average life expectancy is ten years and beyond; and, many customers have had 3M window film on their windows for...

June 3, 2020

What is the procedure to install window film?

The individual installation steps for an interior application are as follows: Prepare window area by placing drop cloths on floor and / or moving nearby furnitureThoroughly clean interior side of glass pane and gaskets with a mild...

June 3, 2020

What is window film made of?

Different polyesters are transformed during the manufacturing process to produce a thin, transparent film that adheres to glass when a pressure sensitive adhesive is activated by the technician’s installation squeegee....

June 3, 2020

What will window film look like installed?

3M Window Films are available in a variety of tints, ranging from optically clear to darkly tinted. Depending upon your preference and desired look, your 3M Authorized Window Film Dealer can help you determine which film will best meet ...

Myths About Window Film

Although window film has been addressing the inefficiencies and vulnerabilities of glass since 1966, there are many common myths about it. Below, learn which myths are true and which are false.
July 1, 2020

Window film is no substitute for window replacement.

It depends. Replacing an inefficient window with a new efficient unit is probably the best solution in terms of performance. However, it may not be cost-effective and that’s where window film comes in. Window replacement is costly and...

July 1, 2020

Window film is bulletproof.

False! There is no window film that is bulletproof. Window film is often installed on bulletproof glass to minimize the spall that results from a bullet hitting the glass. But the film itself is not bulletproof....

July 1, 2020

Window film is only for southern climates.

False! The sun shines even in northern climates so why not help to mitigate it? Buildings in northern climates have a cooling season too, even if shorter than the cooling season for southern climates....

July 1, 2020

Window film is only for single pane glass.

False! Window film is not just for single pane glass. While double pane glass has a significantly lower U value than single pane glass, thus reducing heat loss in the winter months, it still has a SHGC that is somewhat similar to...

July 1, 2020

Window film is only for old buildings.

False! Window film is not just for old buildings. Film can reduce the Solar Heat Gain Coefficient (SHGC) and U value of any type of glass, whether new or old. An older yet highly efficient building may not need window film as much as...

July 1, 2020

Window film is easily scratched and damaged.

False! A premium window film has a sophisticated scratch-resistant coating that increases the film’s durability to withstand normal wear and tear. However, if someone is determined to scratch the film, it will scratch, just like glass...

July 1, 2020

Window film causes heating costs to rise.

True, under certain circumstances. Standard sun control films that only impact a window’s SHGC will reduce the amount of visible light entering a building. That visible light is typically used to help heat the building in the winter....

July 1, 2020

Window film causes seal failure.

False! According to 3M Company, which holds the original patent to window film dating back to 1966, film does not cause seal failure: “We’ve been applying 3M Window Films to insulated windows for over 40 years, having seen...

July 1, 2020

Window film is dark and reflective

False! Window film can be dark and reflective. But it can also be virtually clear and colorless. Advancements in technology have allowed manufacturers to make nearly invisible films just as effective as dark and reflective films....