Aluk optio 58 BW window
A slimline aluminium casement window frame to vent 75 mm
Insulation values
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U-value (double glazing) 1.4 W/m²K
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U-value (triple glazing) 1.2 W/m²K
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Window energy rating (WER) B - C
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Green guide rating A rated
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Ratings
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Acoustic performance (dB) Rw (C;Ctr) 42 (-1;-5) dB
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Air tightness (Pa) Class 4 (600 Pa)
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Water tightness (Pa) Class 9A (600 Pa)
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Wind load (Pa) Class E2400 (2400 Pa)
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Security PAS 24
Configurations
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Opening Open out
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Top hung
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Side hung
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Bottom hung
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Fixed light
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Multi-light
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French casemen
Size limits
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Top hung (max weight) 180 Kg
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Side hung (max weight) 55 Kg
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Bottom hung (max weight) 60 Kg (3 hinges)
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Fixed light (max weight) 250 Kg
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System features
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Frame depth 58mm and 70mm
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Dual colour option
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Multi-point locking
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Glazing options Internal and external bead
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Glazing thickness 24mm - 40mm
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Sightline (Frame to Vent) 75mm
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Sightline (Vent to Mullion) 89mm
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Sightline (Fixed Light) 43mm
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