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SPD Code: F4 – 85 – 4PKF |
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Fire Code: N/A |
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Assembly: |
Outer: |
Clear Float Glass – 4mm putty glazed into softwood frame. |
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Cavity: |
85mm air – filled |
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Inner: |
Pilkington ‘K’ Float – 4mm, hard coated surface #3, gasket glazed into aluminium secondary glazing frame mounted in hardwood sub-framed surround.
N.B. Glass arrangement carries no fire rating |
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Spectrophotometric Data
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Light Factors: |
Reflectance Outwards (LRO):
Reflectance Inwards (LRI):
Direct transmittance (LDT): |
17.0 %
16.0 %
75.0 % |
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Solar Radiant Heat Factors: |
Reflectance Outwards (ERO):
Absorptance (EAO):
Direct transmittance (EDT):
Total transmittance (SF): |
16.0 %
26.0 %
59.0 %
0.71 % |
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Shading Co-efficiencies: |
Short-wave shading (SWS):
Long-wave shading (LWS):
Overall shading (SC): |
0.210 %
0.610 %
0.820 % |
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U (or ‘K’ ) Value:
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1.868 W/m2K |
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Sound attenuation: |
General weighted reduction (Rw):
Traffic noise reduction (Rt): |
37 dB Rw
31 dB Rw |
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Nett Weight Kgs/m2: |
Inner pain only: |
10 Kgs/m2 |
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Thickness – Overall: |
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93 mm |
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