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How to Apply Window Film


Electro Tape BlueGuard window film is designed to “cling” to non-porous surfaces such as glass, painted steel, aluminum (most finishes), PVC trims, molded fiberglass, etc. It does not “stick” as other tapes do, hence there is no glue residue left after the film is removed. It carries a low tack adhesive that with proper 100% contact, will wet out on the surface to form a protection over the surface area. BlueGuard may be used as a film in wider rolls to cover and protect the entire glass window or as a tape to cover or protect the perimeter frame or trim. BlueGuard is idal for long term protection (up to one year in place) of any of the substrates named above and is not limited to window protection. 

Application Instructions

A)The surface must be dry.

B) The surface must be dust free.

C) The surface must be free of oil or lubricants.

D) Tape must be smooth on surface. Wrinkles, bubbles must be smoothed out and removed.


Sample testing should always be done prior to using BlueGuard products over painted surfaces. Any solvents remaining in new or uncured paint may be trapped, resulting in a softening or peeling of the paint. Paint that is dry to the touch is not always thoroughly cured to the substrate. Initial testing of 48 hours in an inconspicuous spot is recommended. Further random testing should be done every few days after the BlueGuard film has been applied over painted surfaces. A quick look at the surface can be achieved by peeling the BlueGuard back to observe the painted surface to insure compatibility of the BlueGuard and the paint. Use of BlueGuard over surface with decals, stencil prints or surface applied lettering is done at the user’s risk. To confirm compatibility we further recommend testing all paints or coatings being applied over BlueGuard film. If the paint or coating seems to soften or wrinkle the tape or film immediately after bring applied, we recommended the process be stopped and a phone call to us for further evaluation. Where BlueGuard used for surface protection (windows, doors, trim, etc.) in application of plaster, stucco, or E.I.F.S. any heavy or thick deposit (blobs) of wet material should be knocked off with a trowel or similar tool prior to drying.

Optimum Conditions for Application

PVC film and acrylic adhesives can be affected by ambient temperature: warm conditions make tape more pliable and enhance adhesion bond strength. When applied in colder environments, below 50°F (10°C) issues with reduced flexibility, reduced adhesion and possible moisture contaminant on surface due to condensation can impact tape wet- out and thus performance. Always best to remove film at conditions above 50°F (10°C) to ensure proper film integrity and adhesion is maintained and achieved.

Optimum Conditions for Removal

Cold: PVC film and acrylic adhesive can be affected by cold climate (temperatures near freezing and lower) and become less elastic, possibly brittle causing fracturing of the film and adhesive if removal is attempted. Potential residue may be left behind. Always best to remove film at conditions above 50°F (10°C) to ensure proper film integrity is maintained. If film must be removed at lower temperatures, use of a heat gun to warm up surface and film is suitable option for clean removal results.

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