Natural Cool
Dual Reflective

LACUNA Natural Cool Dual Reflective Architectural Window Film combines a natural tint with subtle reflectivity, enhancing a building’s aesthetics while improving energy efficiency. It effectively reduces solar heat gain, helping to maintain a comfortable indoor climate and lower energy costs.

Designed for both performance and aesthetics, this film minimizes interior glare, blocks harmful UV rays, and protects furnishings from fading and wear. Its balanced tint allows for natural light entry while ensuring a welcoming and glare-free indoor environment.

Measurements

  • Visible Light Transmitted (VLT): 8%
  • Visible Light Reflected External: 55%
  • Visible Light Reflected Internal: 15%
  • Glare Reduction: 91%
  • Total Solar Energy Transmitted: 9%
  • Total Solar Energy Reflected External: 45%
  • Total Solar Energy Absorbed: 46%
  • Shading Coefficient (SC): 0,25
  • Solar Heat Gain Coefficient (SHGC): 0,22
  • U Factor: 0,94
  • UV Rejection: ≥99
  • Emissivity: 0,69
  • Light To Solar Gain: 0,36
  • Total Solar Energy Rejected (TSER): 78%
  • IR Rejection: 94%
  • Infrared Energy Rejection (IRER): 77%
  • Visible Light Transmitted (VLT): 14%
  • Visible Light Reflected External: 47%
  • Visible Light Reflected Internal: 21%
  • Glare Reduction: 84%
  • Total Solar Energy Transmitted: 13%
  • Total Solar Energy Reflected External: 40%
  • Total Solar Energy Absorbed: 47%
  • Shading Coefficient (SC): 0,31
  • Solar Heat Gain Coefficient (SHGC): 0,27
  • U Factor: 0,95
  • UV Rejection: ≥99
  • Emissivity: 0,69
  • Light To Solar Gain: 0,52
  • Total Solar Energy Rejected (TSER): 73%
  • IR Rejection: 91%
  • Infrared Energy Rejection (IRER): 74%
  • Visible Light Transmitted (VLT): 27%
  • Visible Light Reflected External: 27%
  • Visible Light Reflected Internal: 14%
  • Glare Reduction: 70%
  • Total Solar Energy Transmitted: 26%
  • Total Solar Energy Reflected External: 25%
  • Total Solar Energy Absorbed: 50%
  • Shading Coefficient (SC): 0,46
  • Solar Heat Gain Coefficient (SHGC): 0,40
  • U Factor: 0,97
  • UV Rejection: ≥99
  • Emissivity: 0,74
  • Light To Solar Gain: 0,67
  • Total Solar Energy Rejected (TSER): 60%
  • IR Rejection: 81%
  • Infrared Energy Rejection (IRER): 61%
  • Visible Light Transmitted (VLT): 34%
  • Visible Light Reflected External: 13%
  • Visible Light Reflected Internal: 8%
  • Glare Reduction: 58%
  • Total Solar Energy Transmitted: 38%
  • Total Solar Energy Reflected External: 12%
  • Total Solar Energy Absorbed: 50%
  • Shading Coefficient (SC): 0,61
  • Solar Heat Gain Coefficient (SHGC): 0,53
  • U Factor: 1,01
  • UV Rejection: ≥99
  • Emissivity: 0,81
  • Light To Solar Gain: 0,70
  • Total Solar Energy Rejected (TSER): 47%
  • IR Rejection: 66%
  • Infrared Energy Rejection (IRER): 47%
  • Visible Light Transmitted (VLT): 45%
  • Visible Light Reflected External: 8%
  • Visible Light Reflected Internal: 7%
  • Glare Reduction: 49%
  • Total Solar Energy Transmitted: 47%
  • Total Solar Energy Reflected External: 8%
  • Total Solar Energy Absorbed: 45%
  • Shading Coefficient (SC): 0,70
  • Solar Heat Gain Coefficient (SHGC): 0,58
  • U Factor: 1,04
  • UV Rejection: ≥99
  • Emissivity: 0,87
  • Light To Solar Gain: 0,74
  • Total Solar Energy Rejected (TSER): 39%
  • IR Rejection: 54%
  • Infrared Energy Rejection (IRER): 38%

Benefits

  1. Natural Reflective Look
  2. Effective Heat Rejection
  3. Aesthetic Enhancement
  4. UV Protection
  5. Fade Resistance
  6. Signal-Friendly
  7. Enhanced Privacy
  8. Energy Cost Reduction
  9. Multi-Layered Nano Technology

Natural Cool
Dual Reflective

LACUNA Natural Cool Dual Reflective Architectural Window Film combines a natural tint with subtle reflectivity, enhancing a building’s aesthetics while improving energy efficiency. It effectively reduces solar heat gain, helping to maintain a comfortable indoor climate and lower energy costs.

Designed for both performance and aesthetics, this film minimizes interior glare, blocks harmful UV rays, and protects furnishings from fading and wear. Its balanced tint allows for natural light entry while ensuring a welcoming and glare-free indoor environment.

Measurements

  • Visible Light Transmitted (VLT): 8%
  • Visible Light Reflected External: 55%
  • Visible Light Reflected Internal: 15%
  • Glare Reduction: 91%
  • Total Solar Energy Transmitted: 9%
  • Total Solar Energy Reflected External: 45%
  • Total Solar Energy Absorbed: 46%
  • Shading Coefficient (SC): 0,25
  • Solar Heat Gain Coefficient (SHGC): 0,22
  • U Factor: 0,94
  • UV Rejection: ≥99
  • Emissivity: 0,69
  • Light To Solar Gain: 0,36
  • Total Solar Energy Rejected (TSER): 78%
  • IR Rejection: 94%
  • Infrared Energy Rejection (IRER): 77%
  • Visible Light Transmitted (VLT): 14%
  • Visible Light Reflected External: 47%
  • Visible Light Reflected Internal: 21%
  • Glare Reduction: 84%
  • Total Solar Energy Transmitted: 13%
  • Total Solar Energy Reflected External: 40%
  • Total Solar Energy Absorbed: 47%
  • Shading Coefficient (SC): 0,31
  • Solar Heat Gain Coefficient (SHGC): 0,27
  • U Factor: 0,95
  • UV Rejection: ≥99
  • Emissivity: 0,69
  • Light To Solar Gain: 0,52
  • Total Solar Energy Rejected (TSER): 73%
  • IR Rejection: 91%
  • Infrared Energy Rejection (IRER): 74%
  • Visible Light Transmitted (VLT): 27%
  • Visible Light Reflected External: 27%
  • Visible Light Reflected Internal: 14%
  • Glare Reduction: 70%
  • Total Solar Energy Transmitted: 26%
  • Total Solar Energy Reflected External: 25%
  • Total Solar Energy Absorbed: 50%
  • Shading Coefficient (SC): 0,46
  • Solar Heat Gain Coefficient (SHGC): 0,40
  • U Factor: 0,97
  • UV Rejection: ≥99
  • Emissivity: 0,74
  • Light To Solar Gain: 0,67
  • Total Solar Energy Rejected (TSER): 60%
  • IR Rejection: 81%
  • Infrared Energy Rejection (IRER): 61%
  • Visible Light Transmitted (VLT): 34%
  • Visible Light Reflected External: 13%
  • Visible Light Reflected Internal: 8%
  • Glare Reduction: 58%
  • Total Solar Energy Transmitted: 38%
  • Total Solar Energy Reflected External: 12%
  • Total Solar Energy Absorbed: 50%
  • Shading Coefficient (SC): 0,61
  • Solar Heat Gain Coefficient (SHGC): 0,53
  • U Factor: 1,01
  • UV Rejection: ≥99
  • Emissivity: 0,81
  • Light To Solar Gain: 0,70
  • Total Solar Energy Rejected (TSER): 47%
  • IR Rejection: 66%
  • Infrared Energy Rejection (IRER): 47%
  • Visible Light Transmitted (VLT): 45%
  • Visible Light Reflected External: 8%
  • Visible Light Reflected Internal: 7%
  • Glare Reduction: 49%
  • Total Solar Energy Transmitted: 47%
  • Total Solar Energy Reflected External: 8%
  • Total Solar Energy Absorbed: 45%
  • Shading Coefficient (SC): 0,70
  • Solar Heat Gain Coefficient (SHGC): 0,58
  • U Factor: 1,04
  • UV Rejection: ≥99
  • Emissivity: 0,87
  • Light To Solar Gain: 0,74
  • Total Solar Energy Rejected (TSER): 39%
  • IR Rejection: 54%
  • Infrared Energy Rejection (IRER): 38%

Benefits

  1. Natural Reflective Look
  2. Effective Heat Rejection
  3. Aesthetic Enhancement
  4. UV Protection
  5. Fade Resistance
  6. Signal-Friendly
  7. Enhanced Privacy
  8. Energy Cost Reduction
  9. Multi-Layered Nano Technology

Frequently Asked Questions

Compare the following factors:

  • Visible Light Transmission (VLT) → Determines brightness
  • Total Solar Energy Rejected (TSER) → Measures heat blocking
  • UV Rejection (%) → Higher is better for furniture & skin protection
  • Glare Reduction (%) → Improves screen visibility
  • Film Thickness (Mil) → Thicker films offer more security

Yes! Many brands offer custom-cut or printed designs, including frosted glass effects, branding elements, and artistic patterns.

Yes, but premium films include scratch-resistant coatings that prevent minor damage.

Yes, but special adhesive films are required for non-smooth surfaces. Some decorative window films also mimic frosted textures.

Yes, advanced self-cleaning films use hydrophobic coatings to repel dirt and kill bacteria with UV-activated nanoparticles.

  • Use ammonia-free cleaners.
  • Avoid abrasive sponges.
  • Use a microfiber cloth for best results.

Properly installed films last 10-20 years without peeling or bubbling. Cheap films or DIY applications are more prone to failure.

Yes, transitional films adjust tint levels based on sunlight exposure, offering privacy during the day while maintaining visibility at night.

Yes, but thermal stress-resistant films are required to prevent glass breakage due to heat absorption.

Yes! Solar photovoltaic (PV) window films convert sunlight into usable energy, helping power buildings.

Yes, acoustic window films absorb external noise, reducing sound pollution by up to 30%.

Yes, sustainable window films are made from recyclable, non-toxic materials and contribute to LEED certification for green buildings.

Metallic films may slightly weaken signals, but ceramic and non-metallic films do not interfere with connectivity.

Yes! Many people install gradient or half-height films to maintain privacy while keeping the top portion clear for natural light.

Yes! Anti-bird strike films use patterns that make glass more visible to birds, reducing accidents.

Blog

Blog

Stay Updated

Let’s Explore What We Can Achieve Together!

By submitting the form you agree to The Lacuna LLC Terms & Conditions and Privacy Policy.