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Saint-Gobain Solar Gard Ecolux 70
The Saint-Gobain Solar Gard Ecolux 70 is a low-emissivity spectrally selective film. Its low-emissivity properties improve thermal insulation and its spectrally selective properties provide a high degree of solar control, with minimal impact on daylight transmission and views. This film has a very high light to heat ratio.
Minimal impact on views due to high visible light transmission
Spectral selectivity provides a high (greater than 1) light/heat ratio
Rejects more than 50% of solar heat
Low-emissivity properties provide moderate reduction in winter heat losses
Last Edited on: Sep 24, 2022
Solar Heat Gain Coefficient (SHGC)
Visible Transmittance (Tvis)
U-value (U, W/m2 K)
Pre-installation: low-e film may not be suitable to high traffic areas, high humidity areas, areas with high salt exposure, and areas where the indoor-facing surface of the film may be exposed to direct sunlight. Installation procedure: Same as for non-low-e film but requires more careful handling due to more sensitive nature of film, and additional squeegeeing due to lower permeability. Post-installation: Same as for non-low-e film but air bubbles may persist for longer (i.e., several months), depending on environmental conditions. In some cases, film replacement may be necessary.
Operation and Maintenance (O&M) Procedures
Care of low-e films is similar than other window films, with the main difference that low-e films can be more prone to showing fingerprints and other oily marks and may need to be cleaned more carefully.
Last Edited on: Aug 22, 2022
Operations and maintenance (O&M) costs
No significant O&M costs are anticipated if care is performed according to manufacturer recommendations.