Security window film1/12/2024 To solve this problem, there are products manufactured that can be installed along the edge of the glass to conceal the sealant and create a finished appearance. The use of adhesive sealant can have a negative impact on the appearance of the window, particularly if poorly installed. A bead of special adhesive sealant is then applied around all four edges of the film, creating a tight bond between the film and the window frame. Using this method, the window film is applied to the glass using the daylight method, but a little less gap is left between the film and the edge of the frame. The wet method involves the attachment of the window film to the window frame with an adhesive sealant. Depending on the degree of strength desired, the film can be attached on one, two, or all four sides of the window pane. The film can be attached to the frame using metal batten strips, or by using one of several devices designed specifically for the purpose. Using this method, the window film is applied to the glass, but instead of being cut near the edge of the glass, it is overlapped over the window frame, and mechanically attached to the frame itself. The mechanical method involves the physical attachment of the window film to the window frame. There are two types of anchored installation methods, the "mechanical" method, and the "wet" method. When an increased degree of protection is required, a different type of installation method, known as the "anchored" method, should be used instead of the daylight method. However, many security experts feel that the daylight method does not provide an adequate amount of protection against the forces generated by a bomb blast or an attack by a particularly aggressive intruder. The daylight installation method provides a reasonable degree of protection against forced entry and flying glass and is considered adequate for most facilities. The most widely used method of installing window film on existing windows is known as the "daylight" method, where the film is applied leaving a slight gap between the edge of the film and the edge of the window frame. Correctly installing security window film requires a high degree of skill and is generally done by professional installers. The film is attached using a special adhesive and must be carefully installed to eliminate creases and air bubbles. The installation is done at the job site, and involves the cutting and applying of the film to the surface of the glass of each window. Security window film is most commonly installed on a retrofit basis on the inside of existing windows. Thicker films are often used in higher threat environments where additional security protection is needed. Thinner films are often used in lower threat environments or when the primary reason for installing the film is for tinting or solar protection. Thicker film usually costs more due to the greater amount of materials needed and the additional manufacturing time required.įor most security applications, 8 mil to 14 mil thickness film is commonly used. As the thickness of the film increases, the degree of break strength, tear strength, and puncture strength also increases. In general, the thicker the film is, the stronger it is. The length of film on a roll usually varies between 50 and 100 feet. Security window film is packaged in rolls of varying widths, the most common being 36", 48", 60", and 72". Different types of films and adhesives are used depending on the characteristics desired in the finished product. Thicker films are usually constructed by laminating multiple layers of thinner film together. Security window film typically ranges in thickness from 4 mils (100 micron) to 14 mils (350 micron) or more. Security window film consists of one or more layers of polyester film, laminated together with special adhesives. These can include tinting of the window, reduction of the heat passing through the glass, and the reduction of damages caused by the sun's ultraviolet rays. This could occur because of an accident, an act of vandalism, a bomb blast, or a natural disaster.Ĭertain types of security window film can provide benefits not directly related to security. Security window film can reduce injuries caused by flying glass when the window is shattered. Security window film can increase the strength of the window, which can delay or prevent entry by a burglar. When properly applied, security window can provide the following benefits: Security window film is used to enhance the security of regular window glass.
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