Avery Dennison SP e-Lite 45i

Window films reduce the amount of solar energy and visible light that enters a building. They can reduce cooling energy use and glare in spaces with windows.

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Technology Basics Application Guidance Energy & Cost Impacts

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Avery Dennison SP e-Lite 45i

The Avery Dennison SP e-lite 45i is a spectrally selective solar control film. With a medium level of visible transmittance, this film provides a standard amount of glare protection. This solar control film is spectrally-selective, giving it a higher light/heat ratio than conventional films and allowing it to reduce solar heat gains with less of a negative impact on daylight transmission and views.

Hub Highlights:

Reduced visible light transmission provides moderate glare reduction
Spectral selectivity provides a high (greater than 1) light/heat ratio
Rejects more than 50% of solar heat

Last Edited on: Sep 24, 2022

Type	Spectrally selective solar control
Solar Heat Gain Coefficient (SHGC)	0.45
Visible Transmittance (Tvis)	0.46
U-value (U, W/m2 K)	5.63
Light/heat ratio	1.01
Installation Procedure	Same as for standard film, with the following additional considerations: - Sealing of film edges may be recommended for applications on non-vertical glazing, or less than 10 miles from the sea - Installation may not be recommended during precipitation (rain, snow) or when exterior air temperature is expected to drop below freezing in the following 15 days
Operation and Maintenance (O&M) Procedures	Window film should be washed with cleaning agent for windows or mixture of soap and water and wiped using a soft cloth or clean synthetic sponge. No bristle brushes, abrasive cleaning materials, or ammonia-based products are recommended. Paper towels may produce microscopic scratches that damage the film over time.

Last Edited on: Aug 22, 2022

Sample Size	1
Operations and maintenance (O&M) costs	No significant O&M costs are anticipated if care is performed according to manufacturer recommendations.
Thermal comfort	See table (Find your climate zone)
Visual comfort	See table
View - Haze (% Value)	0.4%
Safety	Not applicable
Aesthetic impact	Tint: semi-tinted. Diffusing: no. Reflective: no.
Potential for material damage due to UV radiation	0.31

Last Edited on: 07/2023

Usability and performance

How will the appearance of window and interior space change after film installation?

The amount of daylight entering the space through windows will be significantly reduced. This may not be apparent to the casual observer unless the film is not installed in some windows in the same space. It may become noticeable that electric lights look brighter when compared to the windows. Reflections of the interior on the window surface may become more noticeable.

Installation

How long does it take to install?

Window film installation depends on several factors, including how accessible the window is, how tall it is, and window film type. This film type requires a standard installation procedure.

Installation

How long does it take for air bubbles to disappear after installation?

Depending on the weather, several weeks, up to about a month.

Maintenance

What are the impacts on window cleaning procedures?

Paper towels, bristle brushes, or abrasive/ammonia-based cleaning agents are to be avoided in order to keep the film's clear appearance.