Why Choose MEP Films

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Frequently Asked Questions

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Technical Resources

Madico’s commitment to quality extends to the services we offer our valued customers. Technical Services Support are always available to offer a variety of assistance from calculating energy savings to creating specifications for a project. Our technical services team has extensive training and experience in all types of window film installations and applications as well as in the tools needed to properly gauge the effectiveness of each product.

Please browse the technical resources available here to learn more about the various ways that the performance of our products can be measured and to find answers to our most asked questions.

For more information please contact us.

Solar Optical Properties- Glossary of Terms

Total Solar Energy: all the energy in the solar spectrum that reaches us on the earth’s surface. This includes UVA and B, Visible light, and Infrared energy up to roughly 2500nm. Heat often refers to the total solar energy.

Total Solar Energy – Transmitted: the amount of total solar energy that passes through the glass into the building.

Total Solar Energy – Reflected: the amount of total solar energy that is reflected off of the glass and directed back outside. This energy does not come into the building.

Total Solar Energy – Absorbed: the amount of total solar energy that is absorbed in the glass. This heats up the glass, making it hotter to the touch, and reradiates a small amount of heat back into the room. The majority of absorbed energy is kept out of the room though.

Visible Light: the portion of the solar spectrum containing visible light we can see, from roughly 370nm up to 770nm, contains all the colors of the spectrum.

Visible Light – Transmitted: the amount of visible light that passes through the glass, into the building. This is how light or dark the film is.

Visible Light – Reflected Interior: the amount of visible light that is reflected off the interior surface of the window. This is seen when standing inside the building looking out, a higher reflectance value means the window looks more like a mirror from the inside.

Visible Light – Reflected Exterior: the amount of visible light that is reflected off the exterior surface of the window. This is seen when standing outside the building, a higher reflectance value means the window looks more like a mirror from the outside.

U Factor (winter): heat transfer due to temperature differences outside and inside. Represents the amount of heat passing through 1 sq ft of glass in 1 hour for every 1 degree temperature difference between the outside and inside. A lower value means less heat passes through, this is generally of interest when desiring to for keep heat inside the building in cold climates.

Emissivity: the ability of the surface to reflect infrared energy. For window film, this means how much heat it will reradiate back into a room. Low E glass and films have low emissivity’s, with mean they reflect a lot of heat back into the room, which is the desired effect in cold climates.

Ultraviolet Light Rejected: the amount of UV energy blocked by the film, either by reflecting or absorbing it. This energy does not enter the building.

Glare Reduction: the reduction in visible light transmitted compared to clear unfilmed glass.

Luminous Efficacy: the ratio of visible light transmission to solar heat transmission for a window. A higher luminous efficacy means the film has high heat rejection given its VLT.

Shading Coefficient: the ratio of heat passing through a filmed window to heat passing through clear unfilmed glass. A lower number means better heat rejection.

Solar Heat Gain Coefficient: similar to the shading coefficient, except this value also takes into account energy that is reradiated back into the room from the glass heating up due to increased absorption. Again, a lower number means better heat rejection.

Infrared Rejection: the amount of infrared (IR) energy that is blocked by the film, either by reflecting or absorbing. This value is for the whole IR region of the solar spectrum, roughly 780nm up to 2500nm.

Total Solar Energy Rejected: the total amount of solar energy that is kept out of the building. Commonly referred to as heat rejection.


Film Installation Instructions & Tips

Energy Control Film Installation Instructions

Film Cleaning & General Care Instructions

Storage and Handling Instructions

Exterior Film Installation Guidelines

Installation Tips for Applicator Solution and Squeegee Techniques

Safety & Security Film Installation Instructions

Window Safety Film for Spontaneous Breakage


For more information about Madico Films, to order or to obtain data simply contact us.


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