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FAQ's How do CPF Films work? CPF 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. Reflective films are films that have been precision coated with metals. These metallised films are designed to increase the solar energy reflection of the glass and some of the absorption
How do low E films work? CPF Low E films offer an increased performance against cold weather heat loss. The patented constructions of these films enable the metal coating to reflect more of the interior room heat back into the room where it is needed. This improves comfort by reducing potential draft feelings near the window, and may also save on fuel costs, especially in commercial buildings.
Why do commercial customers have film applied to their buildings?
Any energy pay back for using CPF window films? Simply, pay backs 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 pay backs often range in the 2-5 year period, with some reported to be even less than 6 months.
How long does it take for the film to dry? We suggest allowing thirty days for the film to fully dry and cure. During this curing process, it is natural to have small water bubbles and/or a hazing milkiness 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.
When can I clean my Film? After thirty (30) days, you may clean the films using normal household cleaning solutions, including ammonia based products: e.g., Windex, and a soft, lint-free cloth or towel. You may also use a squeegee to dean the films. Abrasive products which would scratch or damage the film should not be used.
Do window films cause seal failure?
No, window films do not cause seal failure. We've been applying films to insulated windows for over 22 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 insulate 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.
Safety&Security
CPF LLumar Magnum Safety films are a low-profile, high performance measure of security in the battle against 'smash and grab' crime. The tough, shatter-resistant qualities of the film can hold the window glass together even if a brick (or similar object) were actually to pass through the glass. The thief must now make a choice; continue to attack this window, try another window, or move on. Time is short, and often they move on. However, if they are determined to gain entry, they will get in. It is generally recommended that the property have proper alarm systems. |
