Slate products are ‘dual reflective’ – reflective on the outside to maximise heat rejection and neutral on the inside to maintain views.

Key Benefits

  • Reflective exterior maximises heat rejection resulting in excellent energy savings and payback time
  • Low interior reflectance maintains views to the outside, especially at night
  • High heat rejection results in improved indoor comfort
  • UV blockers protect people and property from damaging UV rays
Specification Slate 10Slate 20Slate 30Slate 40Slate 40 8mil
Visible light transmittance % 13%23%30%44%45%
Visible light reflectance (exterior) % 45%31%24%18%20%
Visible light reflectance (interior) % 23%17%14%12%13%
Solar heat gain coefficient .
Total solar energy rejected % 76%68%62%53%53%
UV Tdw-ISO @ 300 to 700 nm % 10%18%23%32%33%
UV light blocked (300 to 380 nm) % >99%>99%>99%>99%>99%
Fade Reduction % 88%78%72%61%60%

Performance Notes:

  • Performance results are calculated using NFRC methodology and LBNL Window software, applied to 1/4" (6mm) clear glass and are subject to variations within industry standards and only intended for estimating purposes. This data is provided for informational purposes only and subject to normal manufacturing variances.
  • Performance results for glare and fade reduction are calculated by comparing filmed glass to that of untreated glazing.

CSI Specifications: Solar Control Films 08 87 13

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