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Window Film Protection FAQ

Window Film Protection FAQ

Can I install 3M Window Film myself?

No, 3M Window Films require professional application; our authorized 3M Window Film Dealers are thoroughly trained and experienced in performing high quality work. In this way, our customers will enjoy the benefits of 3M Window Films and have the comfort of the 3M warranty.

How long does it take for 3M Window Films to dry?

We suggest allowing thirty days for the film to fully dry and cure. During this curing process, it is normal to have small water bubbles and/or a hazy appearance. These will disappear as the film dries; depending upon the film type and weather conditions, drying may take as much as 30 (or even 45) days, or as little as a few days. Once dried, 3M Window Films will look great and perform for many years to come.

How is 3M Window Film applied?

3M films are professionally applied by skilled, authorized 3M Dealers. Almost all of our films are designed to be applied to the inside of your glass. The first step is to prepare the window area for the application; placing drop cloths on the floor protecting and/or moving furniture where necessary. Next, the window glass is cleaned using simple cleaning solutions (often water and ammonia) and razor blade scrapers. Then the film is sprayed with a slip solution (detergent and water) for proper positioning, and applied to the window glass. Using a professional grade squeegee and following proper techniques, the application is completed by removing excess water, trimming the edges, and a final squeegee technique to dry the edges.

What is the typical energy pay back for 3M Sun Control Window Films?

Simple paybacks will vary depending upon the amount of sunlit glass exposure, the type of film, the type of glass, cost of fuel, cost of application, and other variables. However, we have seen paybacks often range in the 2-5 year period, with some reported to be even less than 6 months. See your 3M authorized 3M Window Film Dealer to analyze the potential energy savings in your commercial property.

Why do commercial customers have 3M film applied to their buildings?

Lower heating and cooling operating costs Lower utility demand costs Utility rebates Improved tenant comfort Improved aesthetics, uniform appearance Improved safety and security Extended A/C equipment life Valued alternative to adding more A/C equipment Most often, our commercial customers will purchase 3M Window Films for tenant comfort and justify the purchase through energy cost savings.

How do 3M Low E Window Films work?

3M Low E Films work much in the same way as the sun control films except that they offer an increased performance against cold weather heat loss. The patented construction of these films enables the metal coating to reflect more of the interior room heat back into the room where it is needed. This improves personal comfort by reducing cold spots near windows and can help save on fuel costs, especially in commercial buildings. These low-e films are also protected with our patented abrasion resistant coating for long-term durability and maintained appearance.

How do 3M™ Sun Control Films work?

3M Sun Control Films are designed to reduce the amount of solar heat transmission through window glass by increasing the solar reflection (not necessarily visible reflection) and solar absorption through the glass. Typical colored or dyed films work primarily through increased absorption. The color absorbs the solar energy at the glass, thus reducing the direct transmission into the room. These films are not as effective as reflective films for reducing heat. Reflective films are films that have been precision coated with metals. These metallized films are designed to increase the solar energy reflection of the glass. 3M reflective films range from moderate to excellent in solar performance (heat gain reduction). All 3M Sun Control Films are made to be transparent and optically clear. The ultraviolet protection is built into the adhesive system to provide longevity to the film as well as provide UV protection for your home and office furnishings. Most 3M Window Films are protected with our abrasion resistant coating that provides long-term durability and maintained appearance.

Do 3M Window Films cause seal failure when applied to insulated (double-pane) windows?

No, 3M Window Films do not cause seal failure. We've been applying 3M Window Films to insulated windows for many years with several millions of square feet of film applied to date. When recommended films are applied to the inside pane of an insulated glass unit, there will be some absorption (except with clear safety films) of the sun's energy, which will increase the temperature of the glass pane. Some of this heat will transmit to the airspace, slightly raising the airspace temperature. However, even a 20 F degree increase (unusual for most films) will result in a less than 3% change in air pressure, whereas properly made units are designed and tested to withstand 22% changes in air pressure. Risk of seal failure is greatly determined by the quality of workmanship and the quality of the materials that go into building the insulated glass units. The best guard against seal failure is to purchase well-made units from reputable window manufacturers that have solid experience and histories with insulated units.

Do 3M Window Films cause glass to break?

The application of 3M Window Films will increase the temperature of your sunlit glass which will increase the stress on the glass edges. The quality of those glass edges and several other factors (external shading, interior shading, glass history, type of film, size/shape of glass, indoor/outdoor temperature) all contribute to the potential risk of glass breakage. 3M's forty plus years of experience with applying 3M Window Films to different types of glass enables us to make proper film/glass recommendations and minimize the potential for glass breakage. In addition, we support these recommendations with our 60-month glass breakage warranty against thermal shock fracture. Should the glass break within 60-months of application, 3M; will replace the glass (maximum $500.00), and the dealer will replace the film.

What is the warranty for 3M Window Film?

3M Window Films are warranted to maintain their solar properties without bubbling, peeling, cracking, or crazing. Many of our films are warranted against discoloration, too. (Those which do not use dyed polyesters). Should the product proved to be defective, 3M and the authorized 3M Dealer will replace the film and provide the reapplication labor free of charge. Seller also warrants against glass failure due to thermal shock fracture or seal failure (maximum value of $500 per window) caused only as a direct result of the application of 3M Window Films provided the film is applied to recommended types of glass and the glass failure is reported to the seller within the specified time (listed below) from the start of the installation. Sixty (60) months coverage against thermal shock fracture Forty (40) months coverage against seal failure if covered by original window manufacturer Any glass failure covered by this warranty must be reviewed by Seller prior to repair, and only covers film and glass replacement. Optional Platinum Warranty - Residential Applications Only The 3M Platinum Warranty matches the terms and conditions of the residential customer's existing window manufacturer's warranty for a mere $.35/square foot. The 3M Platinum Select Warranty matches the terms of the Platinum Warranty, but also increases the replacement value of $500 per window to $1500 per window. This allows the customer continuous coverage on new windows and the peace of mind having assurance that a product from 3M is protecting their investment.

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