Natural Cool

LACUNA Natural Cool Window Film combines safety and solar control, reinforcing windows against shattering while reducing solar heat gain. Designed for enhanced strength and resilience, it improves indoor comfort and helps lower energy costs by minimizing heat buildup.

This film also reduces glare and blocks harmful UV rays, protecting interior furnishings from fading and deterioration. Its natural tint maintains a balanced, well-lit environment, ensuring visual comfort without excessive brightness.

Measurements

  • Microns: 100
  • Visible Light Transmitted (VLT): 15%
  • Visible Light Reflected External: 49%
  • Visible Light Reflected Internal: 19%
  • Glare Reduction: 83%
  • Total Solar Energy Transmitted: 18%
  • Total Solar Energy Reflected External: 41%
  • Total Solar Energy Absorbed: 41%
  • Shading Coefficient (SC): 0,30
  • Solar Heat Gain Coefficient (SHGC): 0,26
  • U Factor: 0,94
  • UV Rejection: ≥99
  • Emissivity: 0,69
  • Light To Solar Gain: 0,51
  • Total Solar Energy Rejected (TSER): 72%
  • IR Rejection: 90%
  • Infrared Energy Rejection (IRER): 68%
  • Microns: 100
  • Visible Light Transmitted (VLT): 26%
  • Visible Light Reflected External: 29%
  • Visible Light Reflected Internal: 14%
  • Glare Reduction: 69%
  • Total Solar Energy Transmitted: 30%
  • Total Solar Energy Reflected External: 26%
  • Total Solar Energy Absorbed: 44%
  • Shading Coefficient (SC): 0,44
  • Solar Heat Gain Coefficient (SHGC): 0,37
  • U Factor: 0,96
  • UV Rejection: ≥99
  • Emissivity: 0,72
  • Light To Solar Gain: 0,67
  • Total Solar Energy Rejected (TSER): 61%
  • IR Rejection: 80%
  • Infrared Energy Rejection (IRER): 55%
  • Microns: 100
  • Visible Light Transmitted (VLT): 35%
  • Visible Light Reflected External: 15%
  • Visible Light Reflected Internal: 20%
  • Glare Reduction: 58%
  • Total Solar Energy Transmitted: 34%
  • Total Solar Energy Reflected External: 15%
  • Total Solar Energy Absorbed: 51%
  • Shading Coefficient (SC): 0,50
  • Solar Heat Gain Coefficient (SHGC): 0,46
  • U Factor: 0,96
  • UV Rejection: ≥99
  • Emissivity: 0,73
  • Light To Solar Gain: 0,80
  • Total Solar Energy Rejected (TSER): 56%
  • IR Rejection: 82%
  • Infrared Energy Rejection (IRER): 60%
  • Microns: 100
  • Visible Light Transmitted (VLT): 43%
  • Visible Light Reflected External: 14%
  • Visible Light Reflected Internal: 16%
  • Glare Reduction: 50%
  • Total Solar Energy Transmitted: 40%
  • Total Solar Energy Reflected External: 14%
  • Total Solar Energy Absorbed: 45%
  • Shading Coefficient (SC): 0,55
  • Solar Heat Gain Coefficient (SHGC): 0,50
  • U Factor: 0,95
  • UV Rejection: ≥99
  • Emissivity: 0,71
  • Light To Solar Gain: 0,86
  • Total Solar Energy Rejected (TSER): 51%
  • IR Rejection: 75%
  • Infrared Energy Rejection (IRER): 55%
  • Microns: 180
  • Visible Light Transmitted (VLT): 14%
  • Visible Light Reflected External: 49%
  • Visible Light Reflected Internal: 20%
  • Glare Reduction: 85%
  • Total Solar Energy Transmitted: 14%
  • Total Solar Energy Reflected External: 41%
  • Total Solar Energy Absorbed: 46%
  • Shading Coefficient (SC): 0,31
  • Solar Heat Gain Coefficient (SHGC): 0,27
  • U Factor: 0,94
  • 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): 69%
  • Microns: 180
  • Visible Light Transmitted (VLT): 26%
  • Visible Light Reflected External: 29%
  • Visible Light Reflected Internal: 15%
  • Glare Reduction: 71%
  • Total Solar Energy Transmitted: 25%
  • Total Solar Energy Reflected External: 26%
  • Total Solar Energy Absorbed: 49%
  • Shading Coefficient (SC): 0,45
  • Solar Heat Gain Coefficient (SHGC): 0,39
  • U Factor: 0,96
  • UV Rejection: ≥99
  • Emissivity: 0,72
  • Light To Solar Gain: 0,65
  • Total Solar Energy Rejected (TSER): 61%
  • IR Rejection: 82%
  • Infrared Energy Rejection (IRER): 55%
  • Microns: 180
  • Visible Light Transmitted (VLT): 36%
  • Visible Light Reflected External: 15%
  • Visible Light Reflected Internal: 22%
  • Glare Reduction: 60%
  • Total Solar Energy Transmitted: 28%
  • Total Solar Energy Reflected External: 15%
  • Total Solar Energy Absorbed: 57%
  • Shading Coefficient (SC): 0,51
  • Solar Heat Gain Coefficient (SHGC): 0,45
  • U Factor: 0,96
  • UV Rejection: ≥99
  • Emissivity: 0,73
  • Light To Solar Gain: 0,80
  • Total Solar Energy Rejected (TSER): 55%
  • IR Rejection: 82%
  • Infrared Energy Rejection (IRER): 59%
  • Microns: 180
  • Visible Light Transmitted (VLT): 43%
  • Visible Light Reflected External: 14%
  • Visible Light Reflected Internal: 17%
  • Glare Reduction: 51%
  • Total Solar Energy Transmitted: 34%
  • Total Solar Energy Reflected External: 14%
  • Total Solar Energy Absorbed: 52%
  • Shading Coefficient (SC): 0,57
  • Solar Heat Gain Coefficient (SHGC): 0,49
  • U Factor: 0,95
  • UV Rejection: ≥99
  • Emissivity: 0,71
  • Light To Solar Gain: 0,88
  • Total Solar Energy Rejected (TSER): 51%
  • IR Rejection: 76%
  • Infrared Energy Rejection (IRER): 55%

Benefits

  1. Natural Look
  2. Advanced Safety Capabilities
  3. Aesthetic Enhancement
  4. Energy Cost Reduction
  5. Multi-Layered Nano Technology
  6. Maximum Protection
  7. UV Rejection

Natural Cool

LACUNA Natural Cool Window Film combines safety and solar control, reinforcing windows against shattering while reducing solar heat gain. Designed for enhanced strength and resilience, it improves indoor comfort and helps lower energy costs by minimizing heat buildup.

This film also reduces glare and blocks harmful UV rays, protecting interior furnishings from fading and deterioration. Its natural tint maintains a balanced, well-lit environment, ensuring visual comfort without excessive brightness.

Measurements

  • Microns: 100
  • Visible Light Transmitted (VLT): 15%
  • Visible Light Reflected External: 49%
  • Visible Light Reflected Internal: 19%
  • Glare Reduction: 83%
  • Total Solar Energy Transmitted: 18%
  • Total Solar Energy Reflected External: 41%
  • Total Solar Energy Absorbed: 41%
  • Shading Coefficient (SC): 0,30
  • Solar Heat Gain Coefficient (SHGC): 0,26
  • U Factor: 0,94
  • UV Rejection: ≥99
  • Emissivity: 0,69
  • Light To Solar Gain: 0,51
  • Total Solar Energy Rejected (TSER): 72%
  • IR Rejection: 90%
  • Infrared Energy Rejection (IRER): 68%
  • Microns: 100
  • Visible Light Transmitted (VLT): 26%
  • Visible Light Reflected External: 29%
  • Visible Light Reflected Internal: 14%
  • Glare Reduction: 69%
  • Total Solar Energy Transmitted: 30%
  • Total Solar Energy Reflected External: 26%
  • Total Solar Energy Absorbed: 44%
  • Shading Coefficient (SC): 0,44
  • Solar Heat Gain Coefficient (SHGC): 0,37
  • U Factor: 0,96
  • UV Rejection: ≥99
  • Emissivity: 0,72
  • Light To Solar Gain: 0,67
  • Total Solar Energy Rejected (TSER): 61%
  • IR Rejection: 80%
  • Infrared Energy Rejection (IRER): 55%
  • Microns: 100
  • Visible Light Transmitted (VLT): 35%
  • Visible Light Reflected External: 15%
  • Visible Light Reflected Internal: 20%
  • Glare Reduction: 58%
  • Total Solar Energy Transmitted: 34%
  • Total Solar Energy Reflected External: 15%
  • Total Solar Energy Absorbed: 51%
  • Shading Coefficient (SC): 0,50
  • Solar Heat Gain Coefficient (SHGC): 0,46
  • U Factor: 0,96
  • UV Rejection: ≥99
  • Emissivity: 0,73
  • Light To Solar Gain: 0,80
  • Total Solar Energy Rejected (TSER): 56%
  • IR Rejection: 82%
  • Infrared Energy Rejection (IRER): 60%
  • Microns: 100
  • Visible Light Transmitted (VLT): 43%
  • Visible Light Reflected External: 14%
  • Visible Light Reflected Internal: 16%
  • Glare Reduction: 50%
  • Total Solar Energy Transmitted: 40%
  • Total Solar Energy Reflected External: 14%
  • Total Solar Energy Absorbed: 45%
  • Shading Coefficient (SC): 0,55
  • Solar Heat Gain Coefficient (SHGC): 0,50
  • U Factor: 0,95
  • UV Rejection: ≥99
  • Emissivity: 0,71
  • Light To Solar Gain: 0,86
  • Total Solar Energy Rejected (TSER): 51%
  • IR Rejection: 75%
  • Infrared Energy Rejection (IRER): 55%
  • Microns: 180
  • Visible Light Transmitted (VLT): 14%
  • Visible Light Reflected External: 49%
  • Visible Light Reflected Internal: 20%
  • Glare Reduction: 85%
  • Total Solar Energy Transmitted: 14%
  • Total Solar Energy Reflected External: 41%
  • Total Solar Energy Absorbed: 46%
  • Shading Coefficient (SC): 0,31
  • Solar Heat Gain Coefficient (SHGC): 0,27
  • U Factor: 0,94
  • 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): 69%
  • Microns: 180
  • Visible Light Transmitted (VLT): 26%
  • Visible Light Reflected External: 29%
  • Visible Light Reflected Internal: 15%
  • Glare Reduction: 71%
  • Total Solar Energy Transmitted: 25%
  • Total Solar Energy Reflected External: 26%
  • Total Solar Energy Absorbed: 49%
  • Shading Coefficient (SC): 0,45
  • Solar Heat Gain Coefficient (SHGC): 0,39
  • U Factor: 0,96
  • UV Rejection: ≥99
  • Emissivity: 0,72
  • Light To Solar Gain: 0,65
  • Total Solar Energy Rejected (TSER): 61%
  • IR Rejection: 82%
  • Infrared Energy Rejection (IRER): 55%
  • Microns: 180
  • Visible Light Transmitted (VLT): 36%
  • Visible Light Reflected External: 15%
  • Visible Light Reflected Internal: 22%
  • Glare Reduction: 60%
  • Total Solar Energy Transmitted: 28%
  • Total Solar Energy Reflected External: 15%
  • Total Solar Energy Absorbed: 57%
  • Shading Coefficient (SC): 0,51
  • Solar Heat Gain Coefficient (SHGC): 0,45
  • U Factor: 0,96
  • UV Rejection: ≥99
  • Emissivity: 0,73
  • Light To Solar Gain: 0,80
  • Total Solar Energy Rejected (TSER): 55%
  • IR Rejection: 82%
  • Infrared Energy Rejection (IRER): 59%
  • Microns: 180
  • Visible Light Transmitted (VLT): 43%
  • Visible Light Reflected External: 14%
  • Visible Light Reflected Internal: 17%
  • Glare Reduction: 51%
  • Total Solar Energy Transmitted: 34%
  • Total Solar Energy Reflected External: 14%
  • Total Solar Energy Absorbed: 52%
  • Shading Coefficient (SC): 0,57
  • Solar Heat Gain Coefficient (SHGC): 0,49
  • U Factor: 0,95
  • UV Rejection: ≥99
  • Emissivity: 0,71
  • Light To Solar Gain: 0,88
  • Total Solar Energy Rejected (TSER): 51%
  • IR Rejection: 76%
  • Infrared Energy Rejection (IRER): 55%

Benefits

  1. Natural Look
  2. Advanced Safety Capabilities
  3. Aesthetic Enhancement
  4. Energy Cost Reduction
  5. Multi-Layered Nano Technology
  6. Maximum Protection
  7. UV Rejection

Frequently Asked Questions

Yes, but special retention adhesives are required for full effectiveness, ensuring the film remains bonded under impact.

  • Mechanical Anchors: Metal clamps securing the film to the window frame.
  • Wet Glaze Adhesives: Thick, flexible silicone sealants that bond the film to the frame for blast resistance.

Yes! Seismic-resistant window films prevent glass shards from becoming airborne, reducing injury risks in earthquakes.

Yes! Security films add privacy, impact protection, and shatter resistance for glass walls in commercial spaces, schools, and conference rooms.

Premium security films have an elongation rate of 100-150%, meaning they can stretch without snapping, absorbing high-impact energy.

  • Low tear resistance means glass may separate despite staying intact.
  • High tear-resistant films ensure longer resistance to forced entry, up to 4-6 minutes under assault.

These films use sacrificial coatings, allowing easy removal of:

  • Spray paint
  • Acid etching
  • Scratches
    They can be peeled off without affecting the original glass.

Security films disperse blast pressure across the film’s surface, reducing shockwave penetration and keeping shattered glass in place.

  • Security Films: Transparent, impact-resistant, preserves building aesthetics.
  • Metal Bars: More secure but visually intrusive, potential fire escape hazard.

Yes! In factories and hazardous workspaces, security films prevent glass breakage from chemical explosions or machinery accidents, reducing worker injuries.

Yes! Films meeting ASTM F1642 or GSA TS01-2003 have been tested against blast pressures and debris impact in military, embassy, and high-risk zones.

Yes! Security films add shock absorption, reducing breakage risks in homes, schools, and public buildings.

Clear security films are nearly invisible, while tinted versions add privacy and solar control.

Laminated glass offers built-in protection, but security films can be retrofit onto existing glass for added reinforcement.

No, but they reduce spalling (glass fragmentation) and delay penetration, especially when combined with ballistic-rated polycarbonate glass.

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