Review Film Performance Comparison - Medium Tinted Solar Safety Films

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Comparison of Medium Solar Safety Films

COMPANY

Johnson

Johnson

3M

FILM

Daylight Natural 20

DN20 - 100 micron

S4DN20

Silver

SS20 - 100 micron

S4SS20

Night Vision 25

NV 25 – 150 micron

S25NVAR600

VLT %

22%

22%

24%

VLR %

26% Int

26% Ext

50% Int

51% Ext

7% Int

10% Ext

SHGC

0.38

0.28

0.40

% UV blocked

99%

99%

 99%

U-Value Winter

5.73

5.34

5.56

% TSER (Heat)

62%

72%

60%

Film Price $M2

$69.24

$61.59

$118.31

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On-Line Job costing - measure your own windows

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$58.85

$52.355

$100.25

NOTES: The performance data shown above is taken from data published on each company website and published company literature. The data is presented to assist consumers for comparison purposes only. The data and trademarks remain the property of their owners.

  1. WERS – Window Energy Rating Scheme – Film performance data has been independently tested and verified as true (no point in comparing performance if the data for a film has not been confirmed to be true)
  2. VLT – Visible Light Transmitted (less than 20% VLT will make a room “feel” darker)
  3. VLR - Visible Light Reflectance (a measure of how “shiny” or “mirrored” the window appears – clear glass has a VLR of about 8%. As VLR increased above 8% the window appears more reflective
  4. TSER – Total Solar Energy Rejected (indicates the films heat rejecting ability – more is better to reduce heat)
  5. SHGC – Sikar Heat Gain Coefficient (a value ranging from 1.00 to 0.00 showing the solar heat that is transmitted through the glass – lower is better)
  6. UV – Ultra Violet light (the major cause of sun damage and fading – more blocked is better to reduce fading)
  7. U value - a measure of how effective a material is as an insulator. The lower the U-value, the better.