ASWF Twilight Architectural Film

ASWF Twilight architectural window film combines a dark appearance with low visible reflection, glare reduction and solar heat control. Developed specifically for architectural window film applications, Twilight offers a low-reflection alternative when you want darker glass without a highly mirrored finish.

Dark Window Film with Low Reflection

Twilight combines a dark finish with low absorptance as described for the series. The performance chart below lists solar absorption from 36% to 48%, interior visible light reflection from 6% to 9% and exterior visible light reflection from 9% to 11%, depending on the film.

Performance Benefits and Project Value

• Manage bright sunlight: Glare reduction ranges from 63% to 89%, helping improve visual comfort.
• Reduce incoming solar energy: Total Solar Energy Rejected (TSER) ranges from 55% to 72%, supporting a more comfortable indoor environment.
• Achieve a darker, low-reflection look: Low visible reflection helps avoid a strongly mirrored appearance.
• Match daylight to your priorities: Compare visible light transmission of 10%, 20% and 34% before selecting a film.
• Make performance-led selections: Compare glare reduction, solar heat gain and light transmission to choose the right balance for your glass project.

Compare Twilight 10, 20 and 35 Window Film

Twilight 10: Maximum Glare Reduction of the Listed Films

Twilight 10 delivers 10% visible light transmission, 89% glare reduction, 86% infrared rejection and 72% TSER. It is the darkest of the three options shown in the chart.

Twilight 20: A Balance of Darkness and Solar Control

Twilight 20 provides 20% visible light transmission, 78% glare reduction, 79% infrared rejection and 64% TSER.

Twilight 35: Higher Daylight Transmission

Twilight 35 offers 34% visible light transmission, 63% glare reduction, 71% infrared rejection and 55% TSER. It allows more visible light through than Twilight 10 or Twilight 20.

Roll Sizes and Film Selection

Listed roll sizes are 60" x 100' and 72" x 100'. The performance chart covers Twilight 10, 20 and 35. Confirm your required film option before ordering.

Window Film Performance Data

VLT	% Total Solar Refl	% Total Solar Absrb.	% Total Solar Trans.	% Visible Light Trans.	% Visible Light Refl.(int)	% Visible Light Refl.(ext)	% Glare Reduct.	Shading Coeff.	Solar Heat Gain Coeff.	% Infrared Reject. .78-2.5nm	% Total Solar Energy Reject.	NFRC Cert.	Spec Sheet
10	37%	48%	16%	10%	6%	10%	89%	33%	28%	86%	72%		View
20	31%	44%	25%	20%	8%	9%	78%	42%	36%	79%	64%		View
35	28%	36%	36%	34%	9%	11%	63%	52%	45%	71%	55%		View